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Old 02-04-2004, 11:43 AM   #1
krue
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Angry Tranny leak

I have determined that my tranny (Th-350) is leaking fluid from the general area of the dipstick tube. Is there anything else beside the tube O-ring that I need to replace?
Thanks, Krue
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Old 02-04-2004, 11:55 AM   #2
kwmech
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Pan gasket and filter while your at it.
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Old 02-04-2004, 11:59 AM   #3
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Been there done that 3 times trying to track this leak down. Have a rubber gasket on the pan now. I can finally see fluid around dipstick.
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Old 02-04-2004, 12:07 PM   #4
Olden Days
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go the chevy parts house and ask for the replacement dipstick. the end that goes in the trans will be smaller diameter than stock and will come with rubber boot to replace stupid leaking O rings. good solid fit, no more leaks (from that part anyhow).I paid less than 20 bucks awhile back for this.
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Old 02-04-2004, 02:34 PM   #5
krue
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Thanks, I am going to try anew O-ring and if that doesn't work I will get a new dipstick,
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Old 02-04-2004, 03:27 PM   #6
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i am in the same boat. been told i need the rubber skirt! also going to throw away the chrome POS one i bought and buy an original dipstick.
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Old 02-04-2004, 03:41 PM   #7
MMGOODIE
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I was always taught that if it leaks then every thing is all right. if it doesn't leak then you have a problem.
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Old 02-04-2004, 04:50 PM   #8
1972C10
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Silocone the dipstick in addition to the o ring thats the only way i could get mine to seal.

the newer style dipstick with the grommets are 10 times better about sealing up than the o rings. you can find them just about anywhere for cheap . Just find a newer car or truck late 70s mid 80s with a th350 . you can get a new replacement dipstick with the lock down dipstick for around 20 at a local transmission shop here.
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