ATF leak between trans and diff (A4)

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Mar 1, 2011 | 10:57 AM

pnad

Thread Starter

Heel & Toe

Joined: Jun 2010

Posts: 22

Likes: 0

From: Racine WI

ATF leak between trans and diff (A4)

Read some threads here pretty sure I will be dropping the diff and replacing the output shaft seal.

One thing about my situation that sounds a little different from others. ATF is bleeding out pretty rapidly for me. In gear with the brake applied there is a steady stream hitting the ground. At idle or in gear (on jack stands) it is a slow drip.

Noticed this when I pulled the car out of the garage after a 3 month hibernation. About 25F outside at the time.

So, am I dealing with an output shaft seal leak or something more significant?

Thanks

Mar 1, 2011 | 12:12 PM

ajg1915

Race Director

Joined: May 2005

Posts: 15,960

Likes: 21

From: West Norriton PA

St. Jude Donor '08

There's a plate that seals between the transmisson and the differential. Your seal has probably gone bad and needs to be replaced.

Mar 1, 2011 | 01:17 PM

Bluefire

Le Mans Master

Joined: May 2006

Posts: 7,835

Likes: 225

From: Hillsboro OR

It sucks. I know.

On the bright side, this is a great time to install a stall converter and 3:42 gears.

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