Thread: TH 350 question
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04-11-2007 02:43 PM #1
TH 350 question
When my TH 350 trans is cold it shifts great, when it gets hot the 1-2 shift seems ok but the 2-3 shift is way late...if I get it up to around 50mph and feather the throttle then it will slide into high. Once it gets into 3 it seems normal. Any thoughts about what I might do? I thought about the governor and that might be it. No leaks or any other problems. Thanks, Karl.Buy a Buick, they got plenty power!
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04-11-2007 03:52 PM #2
Th 350
Thanks for the reply... just for the record this condition has come about of a sudden, after abusing the trans by kicking down into passing gear at high speed the problem occurred.. didn't have this shifting problem in the last 15K miles. Maybe I did something bad to the tranny?Buy a Buick, they got plenty power!
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04-11-2007 04:51 PM #3
Clutch material around the direct clutch lip seal is so common on these things It's really prevelant when it warms up. If 3rd really gets bad in a while with the weather getting warmer, be ready to tear down and reseal internals and inspect clutches and steels.
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04-12-2007 09:11 AM #4
Also check to see if you have developed a vaccum leak in the line going to your modulator (or if it slipped off). That will make it slip and shift late...Jim
Racing! - Because football, basketball, baseball, and golf require only ONE BALL!
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04-12-2007 05:46 PM #5
Th 350
Originally Posted by J. RobinsonBuy a Buick, they got plenty power!
Is it going into a build, or making a trip to NM?
GM Engine de-coding