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post #1 of (permalink) Old 07-12-2006, 04:13 PM
spencerhut
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!!Too Hot!! TH350 Sender Location??

I've got a 350/Th350 in my '77. I mounted the temp sender in the trannsmission case in one of the available pressure ports, I think. It's on the same side as the lines to the cooler. Problem is it is reading pretty high at times. I have seen temps as high as 250 before I freaked and shut it down. Tranny seems to be running just fine. No slipping or anything. I was just wondering if perhaps I stuck the sender in a poor place and am getting an artificially high reading.

Thanks,

Spencer [img]/ubbthreads/images/graemlins/confused.gif[/img]
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post #2 of (permalink) Old 07-14-2006, 05:02 AM
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Re: !!Too Hot!! TH350 Sender Location??

I've read somewhere that the best place for the sender would be in the pan. I think it gives you a more accurate fluid reading. I'm not for sure though. So I guess I didn't help you at all... sorry
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post #3 of (permalink) Old 07-14-2006, 06:44 AM
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Re: !!Too Hot!! TH350 Sender Location??

yea, about 2 years ago i got a temp sender but never installed it on my truck.

my father's new hd chevy comes stock with a temp sender, and 250 under load is not uncommon. but, i don't know where the sender is located. tranny's do run hot, esp in the summer under load. adding an aftermarket cooler and deeper pan does help. summit sells a nice cheep summit brand tranny pan. for the price you get a nice part.
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post #4 of (permalink) Old 08-16-2006, 12:23 AM
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Re: !!Too Hot!! TH350 Sender Location??

I don't know if this post will be read before Christmas, but here goes.

I have a book on the TH350's, since I have one. The book's author recommends putting the temp sensor in the return line from cooler back to tranny as close to the firewall as possible. Hope that helps. All his stuff has been dead on so far.

Jim
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post #5 of (permalink) Old 08-16-2006, 06:36 AM
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Re: !!Too Hot!! TH350 Sender Location??

does the book suggest how to put the sender in the cooling line? i've got a temp sender, never installed. the sender is huge by sender standards, 1/4 of an inch thick and an inch long.
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post #6 of (permalink) Old 08-17-2006, 12:13 AM
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Re: !!Too Hot!! TH350 Sender Location??

No, I wish it did as I want one. I imagine you could cut out a section of tubing and replace it with tranny hose. The sensor would be a cinch to put in then.

Jim
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