GM Service Manual Online
For 1990-2009 cars only

Oil Out the Vent Tube for Generic Unit Repair 2002

Oil Out Vent Tube

Checks

Cause

Pump Cover (206)

Cross channel leakage can pressurize the vent area

Fluid

    • Foaming and filling the pump vent ports
    • Transmission is overfilled

Transmission

Overheated