GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Pontiac
🢒
2001
🢒
Sunfire
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 3T40
🢒 Control Valve Body and Oil Pump Inspection
Inspect the control valve body for the following:
•
Porosity
•
A worn, scored, or damaged pump pocket
•
Interconnected oil passages
•
Damaged machine surfaces
Inspect the pump components for the following:
•
A worn, scored, or gouged pump slide
•
Cracks, wear, or damage to the rotor or to the vanes
•
Cuts or damage to the seals