GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2004
🢒
Envoy - 2WD
🢒
Transmission/Transaxle
🢒
Automatic Transmission - 4L60-E/4L65-E
🢒 Oil Pump Removal
Tools Required
•
J 37789-A
Oil Pump Remover/Installer
•
J 39119
Oil Pump Remover/Installer Adapter
Remove all pump bolts (2).
Install
J 39119
over stator shaft until it locks under splines.
Install
J 37789-A
.
To prevent slipping, securely fasten the
J 37789-A
around the
J 39119
by tightening the bolt (1) with a wrench.
Turn the T-handle on top of
J 37789-A
.
Lift the pump out of the case.
Some Models use an external fluid pump seal (5) that can be removed after the pump is removed.
Remove the pump cover to case gasket (6).