GM Service Manual Online
For 1990-2009 cars only

Special Tools

J-36850 Assembly Lubricant or equivalent

For equivalent regional tools, refer to Special Tools.


    Object Number: 49472  Size: SH
  1. Inspect the control valve body cover (53) for the following conditions:
  2. • Damaged or porous gasket sealing surfaces
    • Damaged or porous casting surfaces
    • Damaged or stripped bolt holes
  3. Inspect the control valve body cover gaskets (54, 59) for damage. The gaskets are reusable if they are NOT damaged.

  4. Object Number: 840871  Size: SH
  5. Assemble the control valve body cover inner gasket (59) to the control valve body cover (53). Use J-36850 lubricant or equivalent to retain the gasket in position.
  6. Install the control valve body cover gasket (54) and control valve body cover (53) onto the case. Make sure the gaskets and electrical connector are positioned correctly.

  7. Object Number: 330217  Size: SH
  8. Install control valve body cover bolt (56) and one control valve body cover to case stud bolt (58) in the locations shown. These bolts will properly locate the control valve body cover and gasket to the case.
  9. Caution: Refer to Fastener Caution in the Preface section.

  10. Install the remaining bolts as indicated, and tighten to 25 N·m (18 lb ft).
  11. • Nine control valve body cover bolts (56)
    • Four control valve body cover TORX® head bolts (57)
    • Four control valve body cover to case stud bolts (58)