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G3GM 1973 to 1977 A-bodys. Chevelles, Monte Carlos, El Caminos, Laguna, 442, Cutlass, Malibu, GTO, LeMans, Century, Regal, Grand Am, Grand Prix, Sprint, Gran Sport, Can Am, Hurst-olds, and other 73-77 A-bodies


pinion seal

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G3GM :: G3 Tech :: Engine & Driveline

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pinion seal Empty pinion seal

Post by McCauley5983 Mon Nov 21, 2011 9:29 am

How hard is the pinion seal to replace on the rearend
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pinion seal Empty Re: pinion seal

Post by Joe73 Mon Nov 21, 2011 12:06 pm

Not hard at all. I've done quite a few of them. After disconnecting the driveshaft, I like to scribe a reference line on the end of the pinion, across the nut, onto the washer onto the yoke. That way you have an idea of where everything was to begin with. Then I use a torque wrench to get a close reading of how tight the nut it currently. Then I take the nut off and change the seal. Pretty easy to pry out and then tap back in. If you have a large socket the same diameter of the seal, it will go easier. Then put it back together with the lines matching up. If the nut it getting tight as you approach lining up with the scibe marks your real good. Just go slightly more and your good to go.
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pinion seal Empty Re: pinion seal

Post by McCauley5983 Mon Nov 21, 2011 1:00 pm

K thanks is there a sealer for the seal
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pinion seal Empty Re: pinion seal

Post by Joe73 Mon Nov 21, 2011 5:54 pm

No sealer that I know of. I like to take some rear fluid and wipe the rubber of the seal, in and out, and inside the recess before I install it. Just to lube it a little. Good luck with it.
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pinion seal Empty Re: pinion seal

Post by McCauley5983 Mon Nov 21, 2011 5:56 pm

That's how I usually do but wanted to make sure
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pinion seal Empty Re: pinion seal

Post by pila Tue Nov 22, 2011 1:11 am

You will be OK Only other thing I do is put some sealant on the edge of the metal seal ring, which does make it go in easier and seals the edge diameter.
What Joe73 said is right-on.. Smile Torque it like he said, with reference marks.

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pinion seal Empty Re: pinion seal

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