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05-07-2020, 08:02 AM
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State of Confusion!
  
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 47,491
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Re: TH350 Hitting 3rd at 70MPH!
If the vacuum modulator on the back side of the transmission is bad or maladjusted it could give the indications you are seeing. It has been ages since I had to adjust one, so I forget. I had the same issue, but mine was just the hose slipping/vibrating off the modulator nipple. New hose and I used a clamp to hold it on and it solved my issues.
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! Last edited by Palf70Step; 05-07-2020 at 06:50 PM. |
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