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PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > TH400 won't stay in 3rd under 50mph
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Old 06-05-2007, 02:12 PM
RAIV55 RAIV55 is offline
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Join Date: Oct 2005
Location: SD
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Quote:
Originally Posted by obnxshz
Turning it clockwise reduces vacuum signal thus raising and friming shift point. Turning counter clockwise.. well you can figure that one out...
I usually go 1 to 1 1/2 turns at a time and test to get it where I want...

I also agree with checking the vacuum source and put a gauge on it to make sute it is within specs...

Good luck!
X2.

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Old 06-05-2007, 06:12 PM
69birdboy 69birdboy is offline
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Join Date: Dec 2005
Location: oklahoma
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It's possible that your kickdown switch is stuck.

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