1990 Jimmy transmission problem

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wmariano

10-01-2002, 10:27 PM

:flash: My truck is not shifting past the second gear .Please help.

Rezz006

10-22-2003, 06:06 PM

:flash: My truck is not shifting past the second gear .Please help.
I have the same problem with my Jimmy 4x4, have you found the problem yet???
Rene.

firemancg

11-28-2003, 07:13 AM

Did you hook it up to a diagnostics computer yet? There is a valve that goes out in the GMC Tranys, it over pressures the system and makes for hard shifting. You might wanta try that out.

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