GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 37868 Camshaft Oil Gallery Plug Installer

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the camshaft housing.
  3. Refer to Intake Camshaft, Housing and Lifter Replacement , for the intake camshaft housing.

    Refer to Exhaust Camshaft, Housing and Lifter Replacement , for the exhaust camshaft housing.


    Object Number: 60808  Size: SH
  4. Disassemble the oil gallery plug as follows:
  5. 3.1. Using a 8.33 mm (21/64 in) bit, drill the oil gallery plug.
    3.2. With a 10.0 mm (0.3937 in) bottoming tap, thread the plug.
    3.3. Install a 10.0 mm bolt into the plug and pull the plug out.
  6. Clean the oil gallery plug hole.

Installation Procedure

  1. Assemble the oil gallery plug with the J 37868 Oil Gallery Plug Installer.

  2. Object Number: 60808  Size: SH
  3. Install the camshaft housing.
  4. Refer to Intake Camshaft, Housing and Lifter Replacement , for the intake camshaft housing.

    Refer to Exhaust Camshaft, Housing and Lifter Replacement , for the exhaust camshaft housing.

  5. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.