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 housings. Refer to Intake Camshaft, Housing and Lifter Replacement and Exhaust Camshaft, Housing and Lifter Replacement .

  3. 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 (0.3937 in) bolt into the plug and pull the plug out.
  6. Clean the oil gallery plug hole.

Installation Procedure


    Object Number: 60808  Size: SH
  1. Assemble the oil gallery plug with the J 37868 .
  2. Install the camshaft housings. Refer to Intake Camshaft, Housing and Lifter Replacement and Exhaust Camshaft, Housing and Lifter Replacement .
  3. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.