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Old 06-12-2014, 12:42 AM   #12
leddzepp
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Join Date: May 2007
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Re: Fluid pouring out of TH350 when vacuum modulaor removed, hard time getting into 3

The governor is not your problem. If it was the transmission would not upshift at all. The vacuum modulator or a cracked hose causing a vacuum leak going to it is what I would suspect. I had the same problem with a TH400, and this is what I was told. Turned out I had a brittle spot in the line and it was cracked, causing a slight vacuum leak. Replaced the line, problem solved.
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1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck.


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