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Pinion Shaft Oil Seal Problem

M

MLGower

Guest
I have a '78 silver anniverary and I am in need of replacing an oil seal on the output shaft on the Differental. Am I going to need to take out the diff to get inside of it, or is the pinion shaft coupler a press fit? I know that on the input shaft, I can remove the coupler without opening the diff, as it has a nut holding it in place, but this is not the case on the output shafts. Any Advice would be appreciated.

Thanks!!!

Michael
 

motorman

Well-known member
Joined
Mar 7, 2002
Messages
849
Location
pa
Corvette
2008 Crystal Red Tint Coat
if you are talking about the driveshaft input pinion,yes you can change it in the car. i would reccommend you get a shop manual as there is steps you must go thru.
 
S

Scott81

Guest
Michael,

.....and if you mean the side yokes, you must take the diff off the car. The yokes are held in with c-clips, unless they broke off in which case you really want to take the diff out and clean out the metal parts. And probably replace the yokes, if you do then get the heavy duty ones.
 
M

MLGower

Guest
That's about what I thought. I was really hoping it was the front oil seal that was leaking, at least I could get to it without tearing out the entire rear end assy. But at least it'll give me an excuse to rebuild the rear suspension. Thanks for the info!!!!!

Michael :)
 
Joined
Jan 1, 2002
Messages
7,246
Location
Washington, Michigan
Corvette
'67 Marina Blue Convertible
Be sure and follow the Shop Manual instructions to the letter; if you don't pack some non-hardening sealer at the end of the splines under the pinion washer and nut, it'll leak, even with a new seal.
 

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