For Techinfo: 440T4 tranny downshift clunk : 1987-1991

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For Techinfo: 440T4 tranny downshift clunk

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Paperweight

Post subject: For Techinfo: 440T4 tranny downshift clunk

Posted: Sun May 25, 2008 3:17 pm

SE Member

Joined: Thu May 22, 2008 12:43 pm
Posts: 23
Year and Trim: 1989 LE

There's an updated 1/2 servo apply spring you can get to solve this transmission problem. GM Part #8668123
Read all about it here: http://www.technicalevolution.com/clunk440.htm
I have the problem on my 89, but I haven't tried this out yet. 8-[

I'm gonna have to find out where to put it.

_________________
White 1989 Bonneville LE with 219,000 KM (according to broken odometer), Pioneer receiver, strut tower brace, Type II Delco ignition

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Portal » Board index » Mechanical and Maintenance (no chat or performance) » 1987-1991

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