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#1 |
Registered User
Join Date: Nov 2011
Location: Napa, Ca
Posts: 11
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Question about TH350
I need some help with my trans.
New th350 purchased from jegs, but made by B&M. I dont drive it often, maybe once a week at most. Ive noticed over the last few months that it has been doing this weird issue where when I first start it up. It will not go into any gear. I let it idle for sometimes up to a five to ten minutes and then it will go in reverse or drive and operate as usual. Ive finally gotten around to trying to tackle the problem. When I contacted B&M they say that it is an issue with a stuck valve that is allowing the torque converted to empty itself when it sits and recommend I drive it more frequently to help un-stick the valve. Does this sound right? I have checked fluids and they are all adequate. Anything else I can check? Of course it is out of warranty so Im a big fan of the "it will fix itself" answer, if that is in fact the case. Thanks |
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#2 |
Registered User
Join Date: Mar 2013
Location: Anaheim Hills, CA
Posts: 323
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Re: Question about TH350
My 1966 GTO came with that terrible TH300 2 speed tranny. It has the same housing as the TH350 so I swapped one in for better drivability. That car was only driven once a week (if that often) for years and the tranny never had a problem. Now I beat the heck out of it when I did drive it so that may have kept the fluid flowing better.
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1971 Cheyenne Big Block Longhorn |
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#3 |
Registered User
Join Date: Aug 2013
Location: cheyenne wy
Posts: 31
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Re: Question about TH350
check the fluid before you start it if the converter is draining back it will look like it is way overfull
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#4 |
laying low
![]() Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 13,275
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Re: Question about TH350
I'd say take their advice and drive it more and see if it gets better. That is an unusual problem.
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Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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