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MikeNW 04-19-2008 07:03 PM

Axle seals
Is there any trick to installing new seals? Just pry out and pop new ones in?
(On the diff housing, I have the axles out already)

MikeH 04-19-2008 10:56 PM

Re: Axle seals
They are hard to pull out. I used a seal puller, and bent it.

I like to place the seal puller near the top of seal because the seal puller usually gouges the transmission. When installing a new seal, I first grind off high spot of any gouges I made, then slather a bit of RTV on the gouge.

Here is a link to a thread with a picture of a seal install tool I made.

MikeNW 04-19-2008 11:46 PM

Re: Axle seals
The Haynes book shows two pieces to the seal, the seal itself and a domed "cover".
They also show a domed driver too.
I have replaced fork seals in my motorcycles successfully, using various PVC plumbing pieces as drivers.

No doubt a homemade tool like you made would work fine. :)
I'll look at it tomorrow

BarnOwl 04-20-2008 08:30 AM

Re: Axle seals
Those seals are a PITA to replace even with the tranny out on the ground which is why the pros say to replace them whenever the tranny is out. There is a snap ring on the driver's side that you will have to remove. It's really hard to see, if you don't know it's there. You will destroy both parts of the seal getting the old ones out and they are hard to get out. I believe Saturn sells the seal parts separately. Aftermarket (all I've ever used) sells both parts assembled as one unit. It'll help if you get one of these seal driver sets from Harbor Freight.


There is one driver that'll work perfectly for the passenger side. Unfortunately, that's not true of the driver's side. Here's what'll happen on that side. You'll try a variety of ways to pound in that seal. Eventually the domed part will come off. The driver set has a flat driver that will work on just the seal and get it far enough in that you can get the snap ring back on. Once you've done that you can use a screwdriver and light taps to get it further back in a it further if you see any high spots. After that you can pound the domed part on.

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