Pontiac Montana sv6 2007

Asked by Sep 17, 2015 at 07:00 PM about the 2007 Pontiac Montana SV6

Question type: Maintenance & Repair

I am having a problem with my 2007 pontiac montana SV6 i was going uphill
and stopped to turn at a light and it stopped moving forward. I could and can
still run in reverse no problem it has great power in reverse. I have since
bought a new transmission from the autowrecker and it still has same
problem. Then I purchased from GM a new pressure control solenoid, have
checked the valves all free moving still and still same problem van only goes
reverse. I am considering changing the other solenoids the 1-2 solenoid and
the 3-4, plus trying a new catalytic converter. which would pretty much
almost rebuild tranny do these sound like the next step or has soeone else
had a similar problem and know the right fix? Any input is valuable thanks

1 Answer


Transmissions are difficult to work on and troubleshoot. If you can change the solenoids with no problem then go ahead, at this point what do you have to lose...

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