GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise the vehicle.
  2. Remove the right front tire.
  3. Remove the splash shield from the right front wheel well.
  4. Remove the lead wires from the glow plug in cylinder 2.

  5. Object Number: 26775  Size: SH
  6. Remove the lead wires for the glow plugs in cylinders 4 and 6 at the harness connectors.
  7. Remove the heat shroud for the glow plug in cylinder 4.
  8. Remove the heat shroud for cylinder 6. Slide the shrouds back far enough in order to allow access for unplugging the wires at cylinder 4 and 6 glow plugs.
  9. Remove the glow plugs from cylinders 2, 4, and 6. If the glow plug was damaged during the removal procedure, refer to Damaged Glow Plug Removal .
  10. Disconnect the lead wire at the glow plug from cylinder 8 from inside of the vehicle.
  11. Remove the glow plug from cylinder 8. If the glow plug was damaged during the removal procedure, refer to Damaged Glow Plug Removal .

Installation Procedure

    Notice: Replacement components must be the correct part number for the application. Components requiring the use of the thread locking compound, lubricants, corrosion inhibitors, or sealants are identified in the service procedure. Some replacement components may come with these coatings already applied. Do not use these coatings on components unless specified. These coatings can affect the final torque, which may affect the operation of the component. Use the correct torque specification when installing components in order to avoid damage.

  1. Install the glow plug into cylinder 8 from inside of the vehicle.
  2. Tighten
    Tighten the glow plugs to 17 N·m (13 lb ft).

  3. Connect the lead wire to the cylinder 8 glow plug.
  4. Install the glow plugs into cylinders 2, 4, and 6 by reaching through the right front wheel well.
  5. Tighten
    Tighten the glow plugs to 17 N·m (13 lb ft).


    Object Number: 26775  Size: SH
  6. Install the lead wire to glow plug 6.
  7. • Slide the shroud over the wire lead.
    • Fasten the shroud to the studs.
    • Repeat step 4 for the cylinder 4 glow plug.

    Tighten
    Tighten the heat shroud nuts to 23 N·m (17 lb ft).


    Object Number: 26775  Size: SH
  8. Connect the wires for the glow plugs in cylinders 4 and 6 to the connectors at the wire harness.
  9. Install the lead wire for the cylinder 2 glow plug.
  10. Install the splash shield in the right front wheel well.
  11. Inspect the wire routing, ensuring that the lead wires are not rubbing against the exhaust manifold or any part that may harm the wire insulation.
  12. Install the right front tire.