GMC Troubleshooting Questions? Ask a Mechanic for Answers
is the fluid full in the transmission ?
all the forward gears just feel like neutral and reverse works fine ?
all the forward gears just feel like neutral and reverse works fine
if the forward gears do not move the truck at all and reverse works fine visually be sure the transmission is being shifted into all the gears correctly and the fluid is full there is an internal failure going on inside the transmission of the forward sprag / one way clutch or the clutches are bad
i am sorry to say the transmission needs to come out and apart to be rebuilt or replaced
this transmission by default should always have a forward gear no matter what if nit there is an internal failure
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