GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2006
🢒
Envoy - 4WD
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 4T65-E
🢒 Case Components Disassemble
Inspect the vent for damage or being plugged. If the vent is damaged, use channel locks and a large screwdriver in order to remove the vent assembly (37).
Remove the oil pressure test hole plug (38).