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NP208 leaking around slip yoke

American84K5

1/2 ton status
Joined
Jan 22, 2005
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Location
Midland, TX
My 208 is leaking slightly around the slip yoke. Its not leaking much but enough to piss me off to where I want to fix it. :rolleyes:

Any advise or tips?

I think its just the seal as far as I know.
Any brands in seals that I should go with opposed to others?


Thanks
 
Do you have a lift? I thought my seal was bad as well.. I replaced it twice and couldnt get it to stop leaking. Come to find out, even though I have had no issues with it on or off road, the drive line is too short. I believe that this is what is causing it to leak. I have a 6" lift with 35s and the factory drive line.
 
I've always used Napa's seals with good success.

To replace it is easy. Remove driveshaft, pry old seal out and install the new one. Lube the seal lips with some ATF before installing the driveshaft.

If you find that you are still leaking from the same spot, the slip yoke could be worn out.
 
Do you have a lift? I thought my seal was bad as well.. I replaced it twice and couldnt get it to stop leaking. Come to find out, even though I have had no issues with it on or off road, the drive line is too short. I believe that this is what is causing it to leak. I have a 6" lift with 35s and the factory drive line.

No lift, but my driveshaft is shorter than any other TH350 stock shaft since someone swapped the original 700R4 for a 350.

Slip yoke sticks out a little bit but not to far.

I've always used Napa's seals with good success.

To replace it is easy. Remove driveshaft, pry old seal out and install the new one. Lube the seal lips with some ATF before installing the driveshaft.

If you find that you are still leaking from the same spot, the slip yoke could be worn out.

Thanks man. Good to know.
I'm going to try and get this **** done some time this weekend.
 
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