GM Service Manual Online
For 1990-2009 cars only

Object Number: 2018704  Size: MF

Callout

Component Name

Preliminary Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle

1

Protective Cover

Procedure

  1. Remove the protective cover from the hydraulic pump.
  2. Disconnect the cable clips.
  3. Remove the electrical connection.

2

Differential Clutch Pump Bolts (Qty:  2)

Warning: The hydraulic pressure in the differential clutch is very high. To prevent personal injury, wait for at least 10 minutes before removing any parts from the differential clutch.

Caution: Refer to Fastener Caution in the Preface section.

Tighten
6 N·m(53 lb in)

3

Differential Clutch Pump O-ring (Qty:  2)

Procedure

Use new O-rings.

4

Differential Clutch Pump

Procedure

Fill new fluid in the differential clutch. Refer to Adhesives, Fluids, Lubricants, and Sealers