700R4 upgrades now no reverse

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Jul 16, 2008 | 09:52 AM

Tims91RS

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Junior Member

Joined: Jan 2007

Posts: 48

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700R4 upgrades now no reverse

Just did the servo upgrade and the boost valve upgrade to my 91 Camaro RS. I have forward gears but no reverse. Any ideas?

Jul 16, 2008 | 10:26 AM

enswrob

Member

Joined: Oct 2007

Posts: 484

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From: Marengo,IA

Car: 89 Firebird

Engine: 2.8L out of a 89 camaro

Transmission: 5 speed

Axle/Gears: ?

Re: 700R4 upgrades now no reverse

readjust the tv cable?

Jul 16, 2008 | 11:45 AM

87zjeff

Supreme Member

iTrader: (4)

Joined: Aug 2005

Posts: 1,366

Likes: 1

From: louisville, ky

Axle/Gears: '01 3.42 10 bolt

Re: 700R4 upgrades now no reverse

check your boost valve assembly again may have put the reverse boost valve in the wrong way.

Jul 16, 2008 | 06:49 PM

Pro Built Automatics

Supreme Member

Joined: Jul 1999

Posts: 3,484

Likes: 56

From: Calimesa, California, U.S.

Re: 700R4 upgrades now no reverse

I suspect the snap ring has come out of its groove, and the boost valve assembly is in the bottom of the pan. Pull the pan and look to see what happened, it should be obvious. If this has happened, the snap ring was not in the groove completely.

Last edited by Pro Built Automatics; Jul 16, 2008 at 07:01 PM.

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