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wont shift


armstrong4u69
05-10-2008, 09:52 AM
I only have 1st gear no reverse is there a fuse 95 pontica transport

LMP
05-14-2008, 06:04 PM
Which engine? 3.1 is a 3speed 3T40; 3800 is a 4 speed 4T60....
The condition you describe shows only in the 4T60 trouble shooting guide....

armstrong4u69
06-05-2008, 05:01 PM
It has a 3.8 and thanks for any help you can give me

LMP
06-06-2008, 06:01 AM
This is what GM book says for FIRST SPEED ONLY
www.avigex.ca/xport/4t60_5a237.jpg
www.avigex.ca/xport/4T60cutaway.jpg
.....FIrst item (control valve) is most likely....and requires removal of end cover "only"....but it requires pulling the driver side half shaft as it passes through the cover.

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