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Old 06-19-2011, 11:46 PM   #1
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How hard is it to change out the rear pinion seal? Its been leaking for awhile I need to do something quick. What would it cost me at a shop? Your thoughts would be great!! Thanks
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Old 06-20-2011, 01:44 AM   #2
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It's not very hard at all to change it out yourself if you have some knowledge in wrenching! First off, you need to jack the rear end up fairly high cuz you'll need some room to work and second, you're going to want to pu the car in neutral and take out the four bolts holding the rear of the drive shaft that's connected to the spacer on the pinion shaft. After the drive shaft is removed ( not completely, leave the front yoke in the transmission and just tie it up out of the way) you need to set the emergency brake and make sure it's holing good cuz those pinion nuts on the pinion shaft are tight as hell! After the brake is set you are going to need something to mark on the end of the of the pinion shaft, the pinion nut and the flange/spacer! It needs to be marked very good because when you go to put it all back together again it has to line up exactly the same as it was before you take it apart!!!!! You also need to count the threads that are showing on the shaft, this will make it a little easier when putting back together. Once you have it marked very good you can remove the bolt with a breaker bar and just as a back up to your back up, count the revolutions of the nut in relation to the flange so you know how many turns it takes to reach the exact bearing preload that you had before it was apart! After you get the nut off you can start to take off the flange from the pinion shaft but again make sure that it is marked on the housing as well and that all of the markings line up in a straight line so you'll know in which position to slip it back on in. Some people use a pulled to remove this flange cuz they can be a butt to get off but once it's off just pry out the old seal and reinstall everything in the exact order it was in before you started down to the same turn of the nut!
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Old 06-20-2011, 01:49 AM   #3
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There are a couple of videos on YouTube that cover this seal replacement and I think you should check them out in order to get a better understanding of how it's done!
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Old 06-21-2011, 12:31 AM   #4
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I checked out the videos and im going to tackle it tomorrow. Thanks for the info
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