Changing Diff Fluid

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Mar 19, 2003 | 09:30 AM

shaun95z

Thread Starter

Registered User

Joined: Dec 2001

Posts: 11

From: Warrenville, IL , USA

Changing Diff Fluid

I changed the Gear out to a 3.73 and it is about the time to change the fluid, what is the ezest why to go about doing it and what is the best Fluid to use?

Mar 19, 2003 | 10:38 AM

1.8ttolt1

Registered User

Joined: Mar 2003

Posts: 281

From: San Diego, CA

i read on the board a couple days ago that people use Honda ATF fluid and GM posi lube.

Mar 19, 2003 | 10:48 AM

Bastardcat

Registered User

Joined: Mar 2003

Posts: 594

From: Fort Smith, AR

This link may help as far as changing it goes:

http://www.bfranker.badz28.com/fbody/lubeoil.htm

Mar 19, 2003 | 11:36 AM

Mtrhds94Z

Registered User

Joined: Mar 2000

Posts: 1,955

From: Point Pleasant, NJ... USA

Quote:

Originally posted by 1.8ttolt1
i read on the board a couple days ago that people use Honda ATF fluid and GM posi lube.

You're kidding right?

Can you post a link to that posting?
Honda ATF as I recall is for the T56..
I sure wouldn't piut it in MY rear!
I have Mobil 1 GEAR OIL, and GM limited slip additive in mine..

Mar 19, 2003 | 03:57 PM

BigRich

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Joined: Mar 2002

Posts: 334

From: that place nobody knows

Mobile 1 90W

Mar 19, 2003 | 04:02 PM

hairbear21

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Joined: Feb 2003

Posts: 569

From: South Dakota

Use 90W or 80-90W GL5 with the posi lube. Also, get a gasket, and do not use silicone! Just clean the surface of the diff and the cover, put on the cover and gasket, tighten it down nice and snug (gasket will not squish) and you'll be set.