Erratic Shifting of the Automatic Transmission on Pontiac Aztek

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.

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Average mileage: 137,142 (132,000–146,000)
Drive Trains affected: AWD, FWD
4 model years affected: 2001, 2002, 2003, 2004
10 people reported this problem
2 people shared problem details
2003 Pontiac Aztek- AWD135,000
Vehicles transmission is shifting hard around 2800-4000 rpm's.
2004 Pontiac Aztek- AWD138,000
Shifts hard between 2nd and 3rd haven't gotten to fix it yet.
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