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Home >> Saturn >> 2000 >> LS1 Automatic >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transaxle Overhaul & Testing - 4T40-E & 4T45-E >> Trouble Shooting >> Symptom Diagnosis >> Oil Out Of Vent Or Foaming

Oil Out Of Vent Or Foaming

Transaxle overfilled. Oil contaminated with antifreeze or engine overheating. Drainback holes plugged. Case porosity, plugged vent or misalignment of oil pump-to-case gasket (if equipped).