GM Service Manual Online
For 1990-2009 cars only

Secondary Fluid Pump Assembly Installation M33 Model Only


    Object Number: 1220920  Size: SH

    Important: Be sure check ball is in the proper place before the secondary fluid pump is bolted on to the valve body.

  1. Install the secondary fluid pump (108) on the valve body.
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the secondary fluid pump bolts (109 and 110).
  4. Tighten
    Tighten the secondary fluid pump bolts to 11-14 N·m (8-10 lb ft).


    Object Number: 1220917  Size: SH

    Important: Wiring harness connector for the secondary fluid pump must pass under the pump bracket as shown.

  5. Connect the electrical connector to the secondary fluid oil pump (108).