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10-06-2008, 07:29 AM
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#1 |
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Between Trucks...
Join Date: Mar 2002
Location: Los Angeles, CA.
Posts: 3,830
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Tranny Vacuum modulator
I was replacing the hose on the vacuum modulator on my TH400 and it was dripping tranny fluid out of the vacuum hose. Not a lot just a drip. Is the vacuum modulator bad?
__________________
Beat it to fit, Paint it to match... 
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10-06-2008, 09:16 AM
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#2 |
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Registered User
Join Date: Apr 2006
Location: East Sooke B.C. Canada
Posts: 543
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Re: Tranny Vacuum modulator
Yup,,,,if trans fluid is coming out of the vacume port,the diaphram in the modulator has a hole in it.
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10-06-2008, 09:20 AM
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#3 |
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Between Trucks...
Join Date: Mar 2002
Location: Los Angeles, CA.
Posts: 3,830
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Re: Tranny Vacuum modulator
Thanks for the reply. Off to the parts store.
__________________
Beat it to fit, Paint it to match...
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10-06-2008, 10:24 AM
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#4 |
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Registered User
Join Date: Jan 2007
Location: eastern oregon
Posts: 623
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Re: Tranny Vacuum modulator
You'll find that after you replace it, it will shift a whole lot better and your engine should run smoother also.
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10-06-2008, 10:57 AM
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#5 |
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454 MAKES IT ROAR
Join Date: Jan 2008
Location: Essex, U.K
Posts: 2,701
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Re: Tranny Vacuum modulator
Wished i came online sooner one of the rare questions i could have answerd
 just did mine exact same problem diaphram inside had gone. Replace and all will be well.
__________________
Nigel. An American living in a British body. 1971 Chevy Cheyenne 10 454 "In a time of universal deceit, telling the truth becomes a revolutionary act." - George Orwell "When injustice becomes law, resistance becomes duty" - Thomas Jefferson No more pain. 03.12.60 -- 12.28.10 http://www.youtube.com/Eightbanger |
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