Oct 8, 2019 · Get yourself a Jaw Puller here https://amzn. Oct 4, 2009 · You can replace the pinion seal without changing the crush sleeve. Jun 8, 2009 · Is replacing the pinion seal as easy as: 1. Detach drive shaft from pinion yoke. Nov 14, 2007 · IF the the nut tightens to the point at which you have a tough time turning the pinion you will need to replace the crush sleeve. Step 7-Remove the front differential drain plug with a 5mm hex bit socket and drain all gear oil. 29 in your examples. Aug 13, 2023 · The rear differential delivers engine power to the wheels and allows them to rotate at varied rates, particularly during turns. remove bearing 07. And for further knowledge, the O-rings on the outside of the retainer do need to be replaced, and you can use a thick coat of spray paint on the retainer shims as to not cause thickness problems when you Apr 27, 2010 · There is one pinion seal, not two. With solid spacers, where the pinion comes in and out until the preload shimming is right, it would be a pain to do with the seal in Aug 24, 2016 · 2004 - 2008 Ford F150 - REVISITED: Rear Pinion Seal Installation (Reusing Crush Sleeve) - Hey Folks, I recently searched for, and found, a ton of threads outlining the replacement of the rear pinion seal while reusing the original crush sleeve. What should I roughly expect the cost to be for the pinion seal replacement and what is involved in the replacement? Do they have to tear down the diff, drop the axle, etc? Oct 16, 2001 · 6) Replace crush sleeve with new one 7) Press tail bearing on to pinion shaft 8) replace oil slinger 9) Install new pinion seal. Nov 15, 2011 · A few things we are effecting when changing this seal is pinion bearing preload. Mar 22, 2010 · We have a customer with a 2004 M3 that needs a rear axle pinion seal. 1. of the product per quart of fluid in the system. How to replace pinion seal 2004-2008 There have been several threads recently on leaking pinion seals including one of my own. I pulled the driveshaft loose at the rear yoke only to find that there is a 12point nut on the yoke. Mar 12, 2018 · The fourth-generation F-body is equipped with GM's 7. When I did mine I pulled out the diff so that the stub axle seals could also be replaced. Read on to learn what a rack and pinion system does, how to detect a leak, and how much it’ll cost to get it repaired. 14). Then install the new one with a seal driver( or be careful taping around the edge) re install the pinion yoke lubing the seal so it doesn't tear. Be prepared for some leakage and you will probably need to clean the pinion where the old seal rode. I have since replaced the flange and the seal, only to have it start leaking after 4 months again. Jun 12, 2009 · 3. Checking whether the pinion seal is leaking is Jan 2, 2016 · The bottom seal is a single seal and it is fully contained inside the pinion shaft opening. just have two newbie questions Does the M3 need an additive for the rear axle fluid? because of the LSD. Mark the it's relationship to the pinion shaft and count how many threads are Mar 9, 2009 · What are they charging to do the pinion seal? I talked to a friend of mine and showed him the pics on my thread I posted and he thinks when they swapped out the pinion seal after my rearend replacement ( Victim of circumstance 9. Not been fun trying to figure out what size that nut is. to/c/30/F/4wd-partsIn the video, 1A Auto shows how to find the pinion seal. This is called the pinion seal. 00: Jan 11, 2011 · I recently changed my rear pinion seal about two weeks ago. Oct 24, 2023 · A rear differential leak is an issue where differential oil seeps out of the rear differential’s housing. No leaks or issues so far. Remove seal, clean groove, and install new seal. 10) Replace flange. A small chisel mark was made to the pinion shaft threads and flange nut front edge to insure correct reinstallation torque. Mar 19, 2007 · Do not torque it to 175 ft lbs!!! The best thing to do is take it to a diff shop and let them do it. 56 with shipping. 00 cheaper than a whole new yoke, which cost me about $50. com/subje A differential pinion seal is a small component that seals the area where the pinion shaft of your differential meets the differential housing. INSTALLATION (1) Apply a light coating of gear lubricant on the lip of pinion seal. replace yoke 6. Noted below are a few of the common side effects of a damaged transfer case output shaft seal that should be replaced. Do you have a bad power steering rack and pinion? AutoZone carries replacement options from top brands. 75 suregrip to replace the rear end in the ‘70 charger. Oil residue between driveshaft and differential suggests a failing seal. To do this you will need to remove the exhaust and prop-shaft (driveshaft). The truck is due for all fluids (both diffs/tranny/transfer case) in a couple of weeks. Oct 9, 2007 · Even for a first timer and as has already been said changing out the pinion seal is fairly easy to do. 25 ) they just rethreaded the old nut from the replacement. install pinion seal with a little silicon on the outside edge 11. Install yoke, install a NEW pinion nut, and torque to 125 ft-lbs. I'm going to get all of this caked-on dirt out of here. I charge $100 out the door for parts & labor on most pinion seal leaks. remove DS 2. Q: What does a bad rear axle bearing sound like? Shop for New Auto Parts at 1AAuto. My previous Dana 35 had a single seal, my present Dana 44 axles have the double seal. If you notice leaking oil, then it means that the pinion seal is no longer working as it is supposed to. Mar 31, 2009 · I had replaced the pinion seal, but I re-used the pinion yoke even though there were a few small grooves in it. The main thing to do is to count the number of turns it takes to remove the nut that fas Jul 10, 2020 · 1. Install new seal. ly/3feE6tJ***PLEASE READ THE VIDEO DESCRIPTION FOR HELPFUL INFORMATION**In this video Jan 15, 2016 · To connect the differential and the driveshaft, a pinion shaft is used. But the pinion seal seems to be leaking. check your rotational torque before removing the nut and/or use the thread count method. Dec 29, 2020 · I was wondering if there is anything I can do on future diff "re-seals" to avoid this issue. Checked all the local parts stores and they can't come up with anything. Yokes on the transfer case can usually be easily removed and replaced, retorquing the nut to factory specs you remove the pinion yoke, not the pinion itself. The axles have nothing to do with the pinion seal. Depending on the make and model of vehicle in question, there will be one or more pinion seals. Replaced axle seals and sealed up the pumpkin with some of the good gasket maker and no leaks from those parts. Remove pinion yoke. Does this car come with a 9 inch or 8 inch diff? I need to know what pinion seal to purchase. The pinion seal prevents oil from leaking out of the differential. True rotational torque on a differential would be no wheels, no axles just the housing/pumpkin installed alone. Remove oil seal by driving it out of the carrier with a blunt chisel. 25 where you use an inch-pound torque wrench to measure the force required to turn the pinion and then re-tighten to 5 in. I my self love the yukon mighty seal for these, it just looks superior. The pinion nut that we are removing is the same nut used to set pinion bearing preload and collapse the "Crush sleeve" during a rear gear install. Make sure to put some silicon around the edges of it. Normally I used to do most of my own work, but I did not have to deal with a pinion on my old car. All the parts stores online show an 8. This can lead to larger and more expensive repairs down the road. 73 gear swap Nov 7, 2022 · 2015 - 2020 Ford F150 - What size Rear Pinon seal - Pinon seal on my rear differential is leaking on my 2016 Supercrew, Max tow, 3. I use a chisel to mark the nut and end of pinion. This is your ring gear. So later after I had driven a total of around 50miles I looked back under there and saw that it was leaking. Mar 30, 2014 · Had the D at the dealer for oil/filter, and they noted the rear pinion seal is leaking. I performed the procedure with the diff removed because I had seeping output shaft seals and bad diff mounts on the rear cover. The pinion seal is in use at all times. A split hose or a burned-out spark plug is easy to fix, but rack and pinion problems are more complicated to find and repair. Pack the garter spring on the seal with heavy grease to prevent it from popping off when driving in the new seal. I saw no crush collar on it. May 1, 2008 · remove the pinion shaft seal (Fig. My dad purchased it brand new in December of 71. replace nut (with red loctite), torque to 100+ lbft 7. The diameter of your shims will determine where they go. remove Pinion Nut 3. Oct 5, 2015 · After removing driveshaft make witness marks on pinion shaft and nut (I like to "dot" em with a center punch), then count the exposed threads at witness marks. However, the exact cost may differ depending on the make and model of your car. Jan 6, 2013 · -Remove the pinion flange with a steering wheel puller. Oct 17, 2007 · I had the pinion seal leak fixed at the dealer on my 05, they just removed the yoke and seal they must have over-torqued the nut because about 100 miles later the pinion bearing was trashed. Decrease in fluid levels may signal a pinion seal problem. Use something to keep the yoke from rotating and use a breaker bar and socket to determine correct preload. There was nothing between the seal and the outer bearing face. you stand a chance of damaging the pinion bearings. Just so you know I have several shops that bring the vehicles to me so I can replace the pinion seals. 7 ecoboost stx, cvf intercooler, spd down pipes, 4” exhaust, afe intake, sct x4 BCB-GHT-MPT93 tow, eibach pro truck suspension, 3. And from here you can tap it on with a rubber mallet. Its easy, just remove the nut, slide off the yoke, remove the seal. they do make a thin sleeve that you can buy to press onto the flange so seal will rest on that instead of grooved flange When your rack and pinion go bad, your vehicle’s steering performance can become faulty and unreliable. i would say you best bet it to get a long torque wrench and something to hold your Jun 22, 2012 · Yeah it's the front pinion seal leaking I just changed it on mine actually the fluild is traveling downward and seal is not on the shaft you have to remove the shaft then the flange and the seal is there I got the seal from the dealer a little expensive but I saved the labor Apr 22, 2022 · I would go with the most expensive choice, even if it turns out to be the same you dont want to be doing that thing again, and check for grooves on the surface of the pinion yoke sealing surface. Do not go thinking that the seal on the left was that damaged while in service. Prior to removing the pinion nut. I used a new SKF Pinion Seal and a new Spicer nut. Remove pinion flange nut and washer. This is a typical pinion seal with a garter spring around the inside lip designed to maintain a positive seal at the yoke sleeve. Labor costs are estimated between $109 and $189, while parts are priced between $20 and 40. Nov 18, 2023 · There are two types of steering systems: rack and pinion steering and direct steering. Apr 30, 2017 · I have learned that most pinion seals available for the 12 bolt rear are for truck 12 bolts, and may need to be "shimmed about 1/16" to 1/8" from the housing so that the seal does not ride on the outer pinion bearing. Jun 24, 2007 · I've been told that it just gets tightened down to 210 foot pounds and that's it, I've been told that the 210 ft. Most leaks are solved by replacing the entire rack and pinion system to ensure the system works correctly. In this video I go over the steps and procedures necessary to replace the pinion seal on a GM truck or SUV. This isn't all that hard to do. I used SDK seals and bearing and the cheapest new axle I could find a DANA SVL one for about $60. Nov 1, 2023 · Done it to Dana 60's and 8 3/4's. lbs Oct 21, 2023 · If there is a seal, and especially where there is movement, seals will fail. A hypoid gear set consisting of a ring gear and a pinion gear is used by the differential to shift the direction of engine torque so that the vehicle’s drive wheels turn as they should. 5EB with 3. This was pretty much the same as any other diff yoke seal, no mysteries there. Also, a leaking pinion seal is an indication that the front or rear, or both, pinion bearings are worn enough to cause runout which places additional wear on the seal (think loose pinion shaft Feb 5, 2012 · Use an in-lb beam style torque wrench to measure the amount of effort required to turn the pinion. 🔧 List of tools used:• No Tools Aug 28, 2008 · (10) Remove pinion seal with Remover 7794-A and a slide hammer (Fig. If you have a Dana 35 be careful not to over torque the pinion nut or you can over crush the crush sleeve and throw off your r&p pattern. 5? My rear pinion seal started leaking on a recent road trip (2600 mile round trip). On average for most vehicles, it costs about $120 to replace a rear pinion seal. Honda Civic Pinion Seal - Rear; Ford F150 Pinion Seal - Rear; Chevrolet Silverado 1500 Pinion Seal - Rear; Toyota Camry Pinion Seal - Rear; Dodge Ram 1500 Pinion Seal - Rear When your rack and pinion go bad, your vehicle’s steering performance can become faulty and unreliable. remove pinion seal 06. A diagram I have shows there should be an oil slinger between the two. Feel free to contact our technical support line at 888-863-0426 with any other questions. Damaged seals within the rack and pinion unit can cause power steering fluid to leak which could lead to a loss of hydraulic pressure and reduced steering assistance. STEP 8 - If the seal sleeve remains on the the yoke, remove the sleeve using a bearing puller. remove and replace pinion seal 5. There are repair sleeves for the yokes, but they are only $5. On electric power steering systems, a total loss of steering assist may occur. install new crush sleeve or crush sleeve elimination kit ( measure the old crush sleeve ) 09. May 30, 2021 · After proper usage, the seals in your system will have had time to be softened and brought back to life. to/2oXknnQ How to replace a differential Pinion s This video will show you how to replace the differential pinion seal. Jun 19, 2010 · On the pinion seal here, the first thing I'm going to do is just take a wire brush and clean all of this stuff up. Grinding, clicking, or whining noises when turning the steering wheel can indicate worn or damaged components. to/2pWkuABIn Canada get yourself a Jaw puller here https://amzn. our local BMW is lost and does not know! Jan 10, 2013 · Pinion Seal Replacement I forgot to mention that I couldn't find the AAM seal kit anywhere. Now, you want to set the parking brake on your vehicle, so after this, the rear end is less likely to move. In addition to the seal, it may be necessary to replace the crush sleeve that is inserted in the differential and aids in establishing the proper preload on the pinion. Driving with a leaking pinion seal can cause damage to the axle and differential. Yesterday while driving to work about 4 miles I noticed that when I was off the gas or not under load I could here a kinda clunking sound not real bad. Thank you!-BDP Mar 22, 2016 · In comparison I never had to replace pinion seal in my last Honda pilot ever and it had 190k km b4 selling it. after applying a little blue locktite to its threads. No leaks. Hold yoke with special tool or larger wrench and remove nut. Dec 21, 2012 · GM PTFE is a great sealant but it does tend to dry out a bit kinda chalky if over used, you only need a dab to take up the air gap between the pinion yoke and pinion splines. I set the parking brake as tight as it will go and chock opposite corner tires to keep the vehicle from moving if it's sitting on the ground or a 4 post lift. I used gasket shellac around the edges of both seals and waited a day before refilling with oil. The seal on the right is new. patreon. remove pinion nut 04. The cost does vary depending on the type of vehicle and model, the type of parts to be used, and the labor charge which is dependent on the location and skills of the auto shops. Distinct gear oil smell indicates a bad pinion seal. The pinion shaft has substantial play through the inner bearing. I took it to another ford dealer ship and $2500 later, they replaced the wheel bearings, the bearing races, the pinion seals, and the ring and pinion. Then they went in the cover and fixed all the damage, that was 15K miles ago, no leaks and no noise. I've never bothered to replace the pinion nut for this job and per the advice I got from Tom Wood of custom driveshaft fame many years ago that has served many well, I torque the pinion nut to between 165 and 180 ft-lbs. Honda Civic Pinion Seal - Rear; Ford F150 Pinion Seal - Rear; Chevrolet Silverado 1500 Pinion Seal - Rear; Toyota Camry Pinion Seal - Rear; Dodge Ram 1500 Pinion Seal - Rear Jul 12, 2007 · New seal and old seal. replace DS Planning to also change the fluid while I am at it. Examine seal surface of pinion flange for tool marks, nicks or damage, such as a groove worn by seal. install bearing 10. Do not allow dirt or grease to contaminate the seal bore or adjacent bearings. 8 and a 9. 7. Additionally, be mindful of overloading your vehicle, as excess weight can contribute to premature failure of the rack and pinion system. That is what happened when I tried to use a screw drive to remove the seal instead of a gear puller. It’s located behind the pinion flange, which is what attaches to the driveshaft flange (or propeller shaft, if you prefer). Jun 20, 2013 · 2004 - 2008 Ford F150 - How to Replace Pinion Seal 2005 F150 - This is the best procedure that I could find. Try using the original shim depth for your first attempt. 6. Use whatever seems most appropriate to remove old seal. If the seal is leaking, it should be replaced as soon as possible. I put grease in the backside where the small circle spring is located. While there are some decent videos on youtube there Mar 9, 2021 · Anyone repaired one yet on a 2017+ Sterling 10. Like all other seals on your vehicle, the pinion shaft seal is subject to heat and wear and tear. Install NEW pinion nut, torque to 125 ft-lbs. It would make sense to replace all 3 seals (side seals and pinion seal). Dec 4, 2015 · I replaced my rear pinion seal on Dana 44 I just swapped into my 2000 TJ. So when the drive-train spins, the ratio up there is smaller than the ring gear and the ring gear turns at a slower speed, and that turns at a faster speed. lb rule only applies to 1984-1989 vehicles, I've been told that I have to do it the same as the D35 or 8. Drive car. Remove pinion flange. Dec 17, 2021 · A rack and pinion leak usually doesn’t happen because of something simple. May 30, 2010 · Advice about changing the rear pinion seal on the Duramax 3500, and some tools needed. By the time I made it to Cali the rear end was shot. Leakage from the differentials is the most noticeable and significant sign of a faulty pinion seal. The new unitized seal already has the sleeve built in. A call to Randy's Ring & Pinion got me a new yoke, pinion seal, and pinion nut. Could be just me but its a nice piece. Dec 4, 2011 · Do this: Remove driveshaft, pinion nut, and pinion yoke. With rack and pinion steering, the rotation of the pinion causes linear motion of the rack, which turns the vehicle's wheels left or right. Use a 3/4" drive socket and braker bar or a 1/2" with a cheater bar. The pinion seal will be found inside the rear end behind the companion flange that the driveshaft connects to. Most rack and pinion leaks will require the replacement of the entire rack and pinion assembly even if most of it works just fine. There are a few things to watch out for when your pinion shaft oil seal starts to go Feb 17, 2023 · 2015 - 2020 Ford F150 - Pinion seal leaking - I have been having issues with my rear pinion seals leaking. You should notice a difference fairly quickly, but it will take a short time for Power Steering Stop Leak to fully condition seals within the system and stop any leaks that may have formed due to old seals. On most vehicles, it takes three to four complete turns of the steering wheel to make the wheels turn from left to right – but the rack and pinion system decreases this number. 5. so you keep the preload on the sleeve inside. Feb 4, 2010 · - Force up on the metal flange of the old rear axle pinion seal. Mar 8, 2019 · To replace the seal on a 489, mark the end of the pinion threads with a center punch and right next to it mark the pinion nut. because pinion seals are frequently difficult to fix. Can someone tell me what the Pinion is, and what fluid leaks out of the seal. Feb 10, 2022 · All, I inherited a 1972 mustang with a 351 engine and automatic transmission. gwellwood. Fluid accumulation on the differential case signals a faulty pinion seal. This weekend I put a new pinion yoke oil seal in the D41 rear end as it was leaking even sitting still. :thumbsdow Got them both from an outfit in Springfield MO - C&M Gearworks 417-862-4455 $22. Seals in your differentials or axles don’t often leak, but when they do the best way to stop the leak is to replace the seal. Remove seal. Install drive shaft. com/user?u=2716812&ty=hBeer Donations Jun 23, 2014 · 06. No issues. It uses a rubber lip-type seal to keep gear lube from slipping past the pinion flange during normal operation. Jan 9, 2019 · Bought a 8. 4. so if you didnt mark your pinion and pinion nut befor you took it a part you are going to have be very carefull not to tighen it to much or you will crush your crush sleeve to much and you will mess up you bearing preload. Could this have created the seal leak? Nov 15, 2019 · *Did our video help you? If so, consider buying us a beer: https://bit. (This is preferred since the procedure for setting the pinion bearing load Dec 11, 2015 · A quick follow up on this, I've gone about 2000 miles so far on the new axle and axle seal and pinion seal. The video i watched showed the pinion seal done in the car with an impact gun on a 6-series. Cost of Pinion Seal Replacement. First mark the position of the nut with a chisel or other method so you can tighten it back to exactly the same place. The differential gasket, pinion seals, and side seals are some of the seals that can leak differential fluid if they go bad. Jan 18, 2010 · So what effects does the seal have on the pinion preload measurement? Since a crush sleeve is a one shot deal, you have to have the seal in place before sucking it all together and cranking to the right preload. It was most likely the culprit. Depending on the setup, you may have a rear pinion shaft, or a front and rear pinion shaft. This happens when one of the mechanical seals in the differential has worn out or failed. Because the pinion shaft connects the interior of the differential to the driveshaft, a seal must be used around the end to prevent differential fluid from leaking out. Is it as simple as impacting the nut off with the yoke assembly, taking the Jun 13, 2016 · Replacing the pinion yoke seal is too easy. Next remove the nut and change the seal. An alternative is a “power steering stop leak” product. It is sort of a "pre-seal". Am I missing May 6, 2022 · Model 20 diffs (any diff with a crush seal) pinion preload should be done with the new/ flattened old crush sleeve and seal installed. Any tips would be appreciated. Jan 15, 2016 · It’s designed to protect the gears inside from friction and heat. Instead of rumbling, a bad pinion bearing whirs due to its turning speed, which is a lot faster than the carrier, depending on the gear ratio. My bet is your Dana 35 has a single seal, the one selling for $6. Seat new seal very carefully by tapping it in place in a star pattern, or better use a deep seal driver tool. Same with replacing the pinion nutin fact you should use a NEW pinion nut or at the very least use blue Loctite on the pinion threads on assembly. Pinion shaft oil seals only last a certain amount of time as heat, wear, and tear break down the seal and require it to be replaced by a mechanic. Eventually, I had to drive from NE to CA and i went over the buyers warranty. Repair options for a leaking rack and pinion system with power steering Rack and pinion leaks are often expensive to fix as the seals are difficult to service, even by a mechanic. 31). Bad news here, you will need to re remove the seal yoke and the outer bearingat least on a 8. . 5 diff. May 18, 2013 · When removing the pinion nut, DO NOT use an impact wrench. 7 . Running nut down on a new sleeve is best accomplished with an air gun. - Lubricate the new pinion seal with premium long-life grease - Position the new seal to the axle housing and drive in with a block of wood or other Pinion depth shims either go under the rear pinion race or on the pinion shaft under the rear pinion bearing. (12) Remove the collapsible spacer. May 3, 2017 · 03. The sound keeps up with the speed I am traveling. :bounce: Feb 20, 2023 · You should not drive with a pinion seal leak. install new Apr 4, 2007 · Just found out that there is no oil slinger between the outer seal and bearings in my 9" rear end. The local stores didn't have anything that fit and I spent a few bucks to figure that out. Install pinion yoke. This is IF and only IF nothing is worn badly or needs adjustment. remove crush sleeve 08. When it's time to replace the rack and pinion steering gear in your car, you should be aware of the steps to take to Apr 19, 2024 · Fluid leaks near rear driveshaft indicate a pinion seal leak. Have a repair Request? Want help figuring out what's going on with your Tractor? Drop a comment and hit t Aug 27, 2020 · how to replace rear differential pinion seal on 1999 Jeep XJ (Chrysler 8. Common symptoms of a bad rack and pinion include loose or tight steering, steering rack fluid leak, wobbling tires, and clunking, grinding, or thudding noises. It’s responsible for keeping the lubricating oil inside the differential and preventing dirt and debris from entering the differential. After doing both I can say the pinion seal was surprisingly easy compared to the axle shafts. Sep 9, 2022 · What Does Your Steering Rack Do? The rack and pinion steering system is the steering system that allows your vehicle to turn your front wheels easier when making turns. One will be located at the inner edge of the pinion shaft, and another (the pinion shaft oil seal) will be located near the end where the pinion shaft attaches to the drive shaft. Jun 25, 2011 · First, it has been my experience that replacing the pinion seal usually causes more problems than it fixes, even when the DEALER has done the work. Vince Jan 8, 2023 · Where the axle enters the assembly, if it is a front differential leak, the most likely culprit is a worn-out pinion seal. Oct 21, 2009 · Here is a link of what I'm talking aboutSeal 5012813AA by the Jeep Specialists | Morris 4x4 Center In advance, I would recommend changing your pinion seal again while your at it. If your outer pinion seal doesnt sit completely flush with the lip, you are bound to leak. Jul 18, 2018 · Replacing a leaking Volvo/Mack Meritor Pinion Seal. Sep 22, 2012 · it takes between 350-400 foot pounds of torque for the crush sleep to start crushing. remove yoke ( some oil will come out ) 05. STEP 7 - Carefully remove the pinion seal from the yoke or carrier. Do not damage the seal bore when you remove the seal. Jul 3, 2014 · I always put a thin film of rtv on the outside of the seal an some bearing grease on the inner surface of the seal. Clean threads on pinion. Apr 1, 2014 · Strangely enough, the OEM shop manual procedure for pinion seal replacement is to measure rotational torque with an inch pound analog wrench of the pinion WITH THE RING GEAR INSTALLED, remove the nut, remove the flange, replace the seal, install the flange and tighten the nut to the initial rotational torque measurement. It outlines the "right" way to replace the Dana 30 pinion seal and get the correct preload on the pinion and correct on the pinion nut. It may be necessary to lightly tap the end of the pinion gear with a rawhide or rubber mallet if the bearing becomes bound on the pinion shaft. the pinion application Patented Waveseal design allows seal to run cooler/ sweeps oil back to bearings 1/2 Rubber and 1/2 Metal ID - Rubber maintains positive grip and prevents leak path; Metal allows heat dissipation Unitized design has many benefits: Wear sleeve contained within seal providing optimal sealing interface; Protects yoke Jul 15, 2001 · Hi! My mechanic says that my pinion seal is leaking on my 91 Caprice Classic. Remove the nut, washer and yoke and replace the seal. Then use lock-tight on the threads and tighten the nut back to where it was. Noises while turning. 2. It does not matter if in gear with the clutch in or in nutral with the clutch out. The outer bearing was on loosely behind this seal. We do not specialize in these vehicles. One is a new GM pinion seal that is for the truck 12 Bolt (part #3924031). Tighten the pinion nut down till you feel a slight drag beyond the seal with zero vertical lash. The only method to avoid this is to replace a worn-out rack-and-pinion steering gear immediately. install yoke 12. com http://1aau. It will need to be replaced at some point in the vehicle’s life. 55 electronic locking rear axle. not a easy job and a lot of things to check with preloads and adjustments Aug 6, 2018 · There is a felt seal between the shield and the pinion seal. go in a cirular motion, usually does the trick. 5 this is a job that can be done from the front and the pinion in tacked. Jun 5, 2017 · When the pinion support/retainer of a 9 inch is out of the carrier assembly, it's not incorrect to call the pinion seal a support seal. Seals often leak due to wear but they can also leak from a lack of use as is the case in the Nissan Armada in this video. It will catch debris before it gets to the seal surface. Took me about an hour to do. 00 from Rock Auto. :wtf:Couldn't find both of the seals locally (STL area) - only the pinion seal not the yoke seal. to/2XVIqVRPatreon https://www. Then after removing it and replacing the seal and resealing the splines to the yoke with rtv tighten the nut back to the position it was removed PLUS 1/16 of a turn. Nothing would show from where you could see it once it is seated. Apr 9, 2019 · you need to take a punch and mark the nut and the pinion, you take it off so you can reposition it a hair further. Put a little grease on the face that contacts the pinion seal. You will use one oz. They told me there was only one seal. I've never heard of any such thing. Is it necessary or not? Pinion seal replacement is something that you probably haven’t done before. Difficulty shifting gears Jan 13, 2017 · Yes, BlueDevil would be able to seal a differential pinion seal leak. You have to do it a little differently though. The front D25 does not drip at rest, and the seal looks exactly the same, but I may leave it alone for now. (2) Install pinion companion flange on the pinion gear with Installer W-162-D, Cup 8109 and Wrench 6958. when you have the flange off , I suggest to inspect it for wear. I have replaced 4 now since l had the dealership replace the first one. Free Curriculum: https://www. Nov 21, 2014 · The reason a rack and pinion leak is so expensive to fix is that the seals are often not serviceable, even by a mechanic. Pinion depth is controlled by pinion shims between the rear bearing and the back of the pinion. Do your best to drive the seal in straight to avoid damaging the edges, and continue driving the seal until it bottoms out in the housing. 32). Install seal with an appropriate installer (Fig. re install the nut and cotter pin if it has one. Aug 19, 2010 · It is quite an involved job. The rear pinion bearing must be pressed on the pinion shaft and the pinion races must be tapped into the housing with a Apr 15, 2009 · I have just removed the pinion yoke and seal on my GM 10. Rack and pinion systems are a common component in railways. The Pinion was bent and that's what was causing the leaking. remove Yoke 4. (sorry no pictures) Step 8-Remove the pinion seal, be careful not to damage the pinion spline teeth. This Is how I replaced a Rear Differential Pinion Seal 2 Jaw Puller https://amzn. Jun 13, 2016 · Replacing the pinion yoke seal is too easy. If the axle seals are leakingthen you have to pull Jul 25, 2016 · Do not use an impact to install the nut and crush the sleeve it will hammer the bearings. (11) Remove the front pinion bearing using a pair of suitable pick tools to pull the bearing straight off the pinion gear shaft. Coat the outer edge of the new axle seal in gear oil to lubricate it, then begin driving the seal into the housing. - Here you can see where the seal was leaking gear oil. Q: What noise does a bad pinion bearing make? A bad pinion bearing makes a whirring noise at all speed levels, during acceleration or deceleration. Try buying a different brand pinion seal than the one you have on there now. Mark position of pinion flange pinion shaft and pinion nut so proper bearing pre-load can be maintained. Pulled old seal with a puller, cleaned it up and hit brought spots with Emory cloth, then installed the new seal and nut and torqued to 180 ft lbs. Care is still very Jan 12, 2016 · Over time the transfer case output shaft seal can fail, and when it does, will display a few symptoms that will alert the driver that a problem with this system exists. Sometimes the Each pinion shaft will have a pinion seal, which is used to ensure that fluid does not leak out of the differential past the pinion shaft. Whether you do it yourself or bring it to a mechanic you trust, you’ll have the parts you need to get Then you can clean any gear oil from the inner surface before reinstalling the new seal. After you replace the seal tighten the pinion nut until you receive the same value + 3-5 in-lbs for the drag of the new seal. This is the reason you should not change this seal if you do not fully understand what’s going on. 5-inch 10-bolt rear axle. Jan 11, 2016 · The pinion shaft oil seal is located behind the pinion flange, which is what attaches to the driveshaft flange. Apr 4, 2015 · SKF is a good brand of seal to use. Then you have spider gears, and these are your differential gears. Your 79 450SL has homokinetic axle shafts which it means the differential has to be dropped and opened at the back to extract the clips on the inner shafts. As the rack and pinion assembly wear out, the feel and quality of the steering are reduced. Leaking pinion seal. Use vise grips to grip the seal flange and hit the vise grips with a hammer until the rear axle drive pinion seal is removed. The rear pinion seal needs to be replaced. I dropped the drive shaft yesterday with the intent of replacing the seal (FOMOCO seal) only to find that the nut setup is different from the previous generations. You do not have to pull axles to replace the pinion seal. Jan 26, 2010 · sounds like the rear ends toast if its whining and leaking out the pinion, to replace the pinion seal you need to pull both axles the carrier and all shims and then unbolt the pinion and take it out the rear then replace seal and get a new squash sleeve to put the correct preload on the pinion and then replace carrier. 25 axle)I am not sure about the pinion seal nut torque, I may have mention 250 ft lb If You’ve Bad Rear Differential Pinion Seals, Side Seals, or Axle Seals: The average cost for a Differential Pinion Seal Replacement is between $184 and $217. I have 2 types of 12 bolt pinion seals I can use. There is a great write up on the forum for the axle shafts seal replacement but I could not find a write up on the pinion seal replacement. Feb 27, 2017 · It would be best to look in the 2006 Service Manual pages 3-41 through 3-43. Mar 18, 2023 · And when you do the seal buy a factory seal if not youll be doing the job again 2017 2. I go over the steps and procedures necessary to Nov 15, 2014 · OK so I replaced my rear pinion seal this morning and bolted everything back up and it seemed fine after about 20 miles of driving. If you notice any signs of a pinion seal leak, it is best to have it fixed right away. The whole job should take under two hours. Sep 20, 2017 · Transfer case or pinion yoke seals can start to leak over time and warrant replacement. A pinion seal is used here. That's why they would call that a pinion seal. The dealer is saying that l should Oct 4, 2007 · The proper way to replace the seal without replacing the crush collar is to carefully mark the nuts position on the pinion threads before you remove it. Seals fail when this spring pops out. It's in front of it. fx fb ps va qa wx ra kz wj xx