This information applies to 2008 Allure, LaCrosse, Lucerne, Terraza, Impala, Malibu, Uplander, G6, Grand Prix and Montana SV6 with MN7 and M15 4T65E transmissions, from start of production through October 2007.
The vehicle may not move forward or reverse. Diagnosis will indicate low or no line pressure due to pump shaft disengagement from the pump drive gear.
Follow SI documentation to access the pump driveshaft. If the pump shaft sleeve is loose on the pump shaft, replace the pump shaft.
- Thanks to Ron Mitchell
The vehicle may not move forward or reverse. Diagnosis will indicate low or no line pressure due to pump shaft disengagement from the pump drive gear.
Follow SI documentation to access the pump driveshaft. If the pump shaft sleeve is loose on the pump shaft, replace the pump shaft.
- Thanks to Ron Mitchell
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