Oil Pump, Replacing

Oil pump, replacing

Note! The three digit numbers in the text refer to Service Manual Hydra-Matic 4T65 E Technical Description.

Removal

Removing the side cover from the transmission
Remove the side cover. See Side cover transmission, removing Side Cover Transmission, Removing.

Removing the oil pump





Note! In order to replace the lock-up solenoid, the oil pump must be removed from the control system. This is so that the spring clip holding the solenoid can be accessed. The shiny screw (1must not bebe removed, it holds the oil pump together.

Remove:
- the temperature sensor with the cable harness from the clip
- the connector from the solenoid. Fold the cable harness out of the way
- the screws,notthe shiny screws (1).

Note! Note the dimension of the upper screws.

Removing the oil pump from the pump shaft




Pull the oil pump straight out.
Place the pump on clean paper.

Installation

Installing the oil pump





Note! Ensure that mating surfaces are clean.

Note! Use lint free paper.

Lift and turn the pump slightly so that it is centered on the pump shaft.
Finger-tighten the screws. The two upper screw heads (206) are sized 10 mm. The other screw heads (207) are 8 mm.
First tighten the screws crosswise to light contact.
Tighten the upper screws. Tighten to 16 Nm. Tighten the other screws. Tighten to 12 Nm.

Installing the side cover on the transmission
Install the side cover. See Side cover transmission, installing Side Cover Transmission, Installing.

Filling with transmission fluid
Fill with transmission fluid. See Transmission oil / oil filter, replacing Service and Repair.
Test drive the car.