differential oil

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11-04-2007, 12:44 AM

stopspazinout

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differential oil

any suggestions for low maintanence oil for the differential, looking at getting in there soon.

11-05-2007, 09:22 AM

04BLKCHEVY

Join Date: Apr 2007

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RE: differential oil

My axle seal just went out and just filled it back up wit 75w-90 synthetic gear oil. This is whats recommended by chevy.

11-05-2007, 09:53 AM

jcbst12

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RE: differential oil

The newer ones (99 and up) need synthetic but the older rear ends use conventional. If you have a limited slip or a posi you will needan additive.

11-05-2007, 05:06 PM

HSV_Madman

Join Date: Oct 2007

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RE: differential oil

I want to change mine soon as well. How is this done? Pull the cover, replace seal and refill?

11-06-2007, 08:57 AM

jcbst12

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RE: differential oil

Mine had a drain plug at the very bottom (looks just like the filler plug). Otherwise, yes you need to remove the cover and get yourself a new gasket.

11-06-2007, 09:08 AM

04BLKCHEVY

Join Date: Apr 2007

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RE: differential oil

Mine was really easy. I have a drain plug at the very bottom and a plug thats on the upper half. It just depends on the rear diff you have.

11-06-2007, 01:19 PM

BlackHorse99

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RE: differential oil

i usually pull the pan and really clean it out wiht a rag becuase of all the stuff that stays behind stuck to the walls and what not

11-08-2007, 04:41 PM

HSV_Madman

Join Date: Oct 2007

Posts: 34

RE: differential oil

Thanks for the info. I will check it out tonight.

11-08-2007, 05:06 PM

Argon

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RE: differential oil

buy the CORRECT oil...or leave it alone....its not cheap oil,but its cheaper than a rear end

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