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Old 10-24-2013   #6
GOLDCYLON
 
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Join Date: May 2007
Location: Peoria, AZ
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Thumbs up Re: what does the AC DELCO 20-45 mean

Quote:
Originally Posted by WVZR-1 View Post
Answered on your PM! It is the ACD part # for the bearing/hub and an OE "genuine" package would display both. I sent you a link in the PM to justify that.

The axle seals would require the removal of the differential from the car and if you were going to that effort it might be time to do all three seals. Doing all three seals with an OE differential build would only require the seals and I'd do a new pinion nut. If it's an after-market build you need a new crush-collar also. Some say NOT - I think so! Maybe consider the bearings for the short axles also if you're doing the axle seals.

If you're thinking there's a seal at the hub there isn't, there's also NOT a plastic "thingy" but if you're referring the spindle washer the GM # is 14076924.
Yep I meant the spindle washer and no the differental is not coming off the car.
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