GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC P42 Commercial Chassis 🢒 Engine 🢒 Engine Controls - 6.5L (L65) 🢒 Glow Plug Replacement - Right Side

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
  5. Remove the lead wires for the glow plugs in cylinders 4 and 6 at the harness connectors.
  6. 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 .
  7. Disconnect the lead wire at the glow plug from cylinder 8 from inside of the vehicle.
  8. 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
  1. Coat the glow plug threads with anti-seize compound, GM P/N 1052771, or equivalent.

    2. Install the glow plug into cylinder 8 from inside of the vehicle

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

    Tighten
    Tighten the glow plugs to 17 N·m (13 lb ft).

  2. Connect the lead wire to the cylinder 8 glow plug.
  3. Install the glow plugs into cylinders 2, 4, and 6 by reaching through the right front wheel well.

    4. Tighten
    Tighten the glow plugs to 17 N·m (13 lb ft).


    Object Number: 26775 Size: SH
  4. Install the lead wire to glow plug 6.

    5. Object Number: 26775 Size: SH
  5. Connect the wires for the glow plugs in cylinders 4 and 6 to the connectors at the wire harness.
  6. Install the lead wire for the cylinder 2 glow plug.
  7. Install the splash shield in the right front wheel well.
  8. 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.
  9. Install the right front tire.