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07-22-2011, 03:15 PM
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#1 |
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Registered User
Join Date: Jan 2009
Location: Saluda, Virginia
Posts: 131
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4l60e problems
I have a 99 gmc z71. I can drive the truck with no problems for 50 miles or more and the all of a sudden when I come to a stop it shifts real hard like it has a shift kit. It only does it every now and then so it doesnt happen often. And after it starts messing up I can I turn the truck off and go start it back it shifts fine. Anyone know what it with might be? Im thinking its the valve body or a sensor making it do that.
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 Justin  1977 chevrolet rebuilt 350 9 inches of lift with 40s 4.56 gears. Work in progress. 1967 4x4 -sold- 1988 reg cab short bed 4x4 -sold- 1999 GMC extended cab short bed new body style Lifted on 33s. |
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