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Chuck
 Post subject: Tranny diagnosis
PostPosted: Sat Feb 25, 2012 7:47 pm 
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Joined: Sat Oct 12, 2002 12:57 am
Posts: 1396
Location: Grass Valley, Ca.
Car Model: '63 Dodge Dart GT Convertible
I have a rebuilt tranny ready to go in my Dart but I want ti pre-diagnose the old one so I can make sure I correct the problem. When I start out in Drive, it shifts 1,2,3,2, and stays in 2nd, no matter how fast I go. It only stays in 3rd for less than a second. I am thinking maybe a stuck governor. Any other ideas on what I should be looking for?

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bigslant6fan
 Post subject: .
PostPosted: Sat Feb 25, 2012 11:03 pm 
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Joined: Sat Aug 09, 2008 5:01 pm
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Location: Taneytown, MD
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By all means,do the factory pressure tests first. Did this trans always have this problem,or did it just start one day? Does it work OK in reverse? I agree, it sounds like a governer or valve body problem

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Chuck
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PostPosted: Sun Feb 26, 2012 1:18 pm 
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Location: Grass Valley, Ca.
Car Model: '63 Dodge Dart GT Convertible
It just started one day. Works OK in reverse.

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WagonsRcool
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PostPosted: Sun Feb 26, 2012 2:52 pm 
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You need a 300psi pressure guage connected to the pressure test ports on the trans. It could be governor- pressure should increase steadily with vehicle speed. My bet is on a valve body problem.

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