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Part # for fluid needed

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Old Apr 23, 2002 | 02:58 PM
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Default Part # for fluid needed

Hey guys, what is the part # for the rear diff fluid on a 2000 3.15 rear end?
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Old Apr 23, 2002 | 03:06 PM
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Default Re: Part # for fluid needed (Stingray1967)

Redline 75W-90 :p:

Let me see if I can find the GM part # for you.

EDIT: From Bliss' tech tips

"Ingredients / tools needed:

- 1.69 Quarts of M1 Synthetic Gear Oil (GM equivalent 12378261) SEA 75W-90 (Z06 3.42's, other gears may vary slightly)
- 4 oz. of limited slip additive (EQUA TORQUE) or GM part #1052358
- A big 'ole Hex Key, like 1/4" I think it was ..
- Some rags and a fluid oil pump ($5 at pep boys, very useful)"

BTW-you need a 10mm hex key to remove the drain and fill plugs.

-Rob


[Modified by Rob 2K1, 1:18 PM 4/23/2002]
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Old Apr 23, 2002 | 04:30 PM
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Default Re: Part # for fluid needed (Rob 2K1)

Rob,

The idaho corvette page I just checked said to us 80W90 gear oil. The GM part # equivalent there was 12345977. Here's a link to it.
http://www.idavette.net/hib/C5diy/c5diy2.htm

Is there a big difference between the 75 and 80W90 lube?
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Old Apr 23, 2002 | 05:37 PM
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Default Re: Part # for fluid needed (Stingray1967)

Chris,

I just changed my tranny and rear diff fluids to Red Line this past weekend. I am very happy so far.

I don't think you will notice any difference between the 75W-90 and the 80W-90. I like the fact that the limited-slip additive is already in the Red Line.

I ordered the oil from http://www.autoil.com Good prices and free shipping.

-Rob
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Old Apr 23, 2002 | 06:37 PM
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Default Re: Part # for fluid needed (Rob 2K1)

Do you know if Redline can be bought locally?
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Old Apr 23, 2002 | 09:07 PM
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Default Re: Part # for fluid needed (Stingray1967)

DRM carries RedLine. They carry Amsoil at my local Champion Auto. You can't go wrong with either one.

I had my RedLine in just a few days. autoil.com is located in Cedar Rapids, IA
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Old Apr 24, 2002 | 12:08 AM
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Default Re: Part # for fluid needed (Rob 2K1)

Ok, I'll have to check it out. I just drove the vette again tonight and it isn't doing the howling. I'm not sure what to do now.
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Old Apr 24, 2002 | 12:28 PM
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Default Re: Part # for fluid needed (Stingray1967)

That would be AMSOIL SERIES 2000 75w90 GEAR LUBE Get ya some,
You will not be :cry NO additive needed! :smash:
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Old Apr 24, 2002 | 12:32 PM
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Default Re: Part # for fluid needed (Stingray1967)

Chris,

What howling? When does the rear end howl?

I changed mine out since I have 21,000 miles and ran up at BIR twice.

Let me know if you need any tips on painting your calipers. I just did another set last weekend with the Folia-Tec kit.

-Rob

P.S. Feel free to shoot me an email. The reply time will be faster.
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Old Apr 25, 2002 | 09:20 PM
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Default Re: Part # for fluid needed (Rob 2K1)

I'm getting a clunking at low speeds when I turn all the way over to the lock. But it is intermittent. :confused: I'm not going to tackle the rear end this weekend.
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