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Jun 14, 2012 | 08:57 PM

spartanc4vette

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Intermediate

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Gah!

1985 corvette, auto, all stock
i have been looking for the past 4 hours on how to drain the rear diff oil. anyone have a guide?!?

please and thanks

devin fischer

Jun 14, 2012 | 09:55 PM

383vett

Race Director

Joined: Apr 2003

Posts: 17,698

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From: moraga ca

There is no plug. You have 3 options; drop the whole rear assembly and separate the batwing, suck out the oil through the filler hole, turn the car on it's side.

Jun 14, 2012 | 10:21 PM

93Rubie

Safety Car

Joined: Sep 2010

Posts: 3,752

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From: Indiana PA

Quote:

Originally Posted by 383vett

There is no plug. You have 3 options; drop the whole rear assembly and separate the batwing, suck out the oil through the filler hole, turn the car on it's side.

Lets try that one. Suction guns are available are most parts stores.
They do make a kit to tap and install a drain plug. Most of the Corvette parts vendors sell them. Corvette Central for one.

Jun 14, 2012 | 11:05 PM

kimmer

Le Mans Master

Joined: Jul 2009

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From: SF bay area C.A.

C4 of the Year Finalist

I think Willeys last idea of putting the car on it's side is the most exciting.

Jun 15, 2012 | 01:11 AM

Aqualoo

Instructor

Joined: Jul 2011

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From: Chardon Ohio

Jun 15, 2012 | 02:51 AM

spartanc4vette

Thread Starter

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i think ill put it on its side :P LOL (really just gunna suck it out) thank you for the help everyone

Jun 15, 2012 | 10:18 AM

MissileDoc

Burning Brakes

Joined: Sep 2010

Posts: 925

Likes: 379

I use a Liquivac to remove the gear oil from the Dana. It also works great for automatic transmissions to remove the fluid so you don't get an oil bath when you drop the pan.

http://www.liquivac.com/