GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J-25254-A (GLOBAL NR REQUIRED) Oil Seal Installer
    • EN 5590 Bearing and Seal Driver

For equivalent regional tools, refer to Special Tools.

Left Camshaft Cover


    Object Number: 1864463  Size: SH
  1. Install the NEW left spark plug shield tube seals using the J-25254-A (GLOBAL NR REQUIRED) installer  (1) and EN 5590 driver  (2).

  2. Object Number: 1864448  Size: SH
  3. Install the NEW left camshaft cover gasket.

  4. Object Number: 1864447  Size: SH
  5. Install the oil fill cap.

  6. Object Number: 1864445  Size: SH
  7. Install the fuel injector sight shield cover ball stud.
  8. Caution: Refer to Fastener Caution in the Preface section.

  9. Tighten the fuel injector sight shield cove ball stud to 10 N·m (89 lb in).

  10. Object Number: 1864464  Size: SH

    Note: The camshaft cover bolt insulator must be installed into the camshaft cover bolt hole before installing the camshaft cover bolt.

  11. Install the NEW left camshaft cover bolt insulators.

Right Camshaft Cover


    Object Number: 1836411  Size: SH
  1. Install the NEW right spark plug shield tube coil seals using the J-25254-A (GLOBAL NR REQUIRED) installer  (1) and EN 5590 driver  (2).

  2. Object Number: 1833744  Size: SH
  3. Install the NEW right camshaft cover gasket.

  4. Object Number: 1836419  Size: SH

    Note: The camshaft cover bolt insulator must be installed into the camshaft cover bolt hole before installing the camshaft cover bolt.

  5. Install the NEW right camshaft cover bolt insulators.