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HOMESERVICE MANUALSCHEVROLET2001SUBURBAN C1500REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 11 (ENGINE CONTROLS - 6.5L (L65) (INTRODUCTION))REPAIR INSTRUCTIONSGLOW PLUG REPLACEMENT - BANK 2REMOVAL PROCEDURE
2001 Chevrolet Suburban C1500

Removal Procedure

2001 Chevrolet Suburban C1500SECTION Removal Procedure
WARNING: This page is about a different car, the 2001 GMC C3500 HD and 2001 Chevrolet C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle. Refer to Lifting And Jacking The Vehicle in General Information.
  2. Remove the right front tire.
  3. Remove the splash shield from the right front wheel well.
  4. Remove the lead wire from the glow plug in cylinder (2).
    5. Fig 1: Glow Plug Lead Wires
    GM26775Courtesy of GENERAL MOTORS CORP.
  5. Remove the lead wires for glow plugs in cylinders 4 and 6 at the harness connectors.
  6. Remove the heat shroud for the glow plug in cylinder 4.
  7. Remove the heat shroud for cylinder 6.
    • Slide the shrouds back far enough to allow access for unplugging the wires at cylinders 4 and 6 glow plugs.
    • Use the J 39083  and installer in order to disconnect the glow plug wires. See Special Tools .
    8. Fig 2: Glow Plugs (Cylinders 2, 4 & 6)
    GM362187Courtesy of GENERAL MOTORS CORP.
  8. Remove the glow plugs (1) from cylinders 2, 4, and 6.
  9. Disconnect the lead wire at the glow plug from cylinder 8 by reaching up from underneath the vehicle.
  10. Remove the glow plug from cylinder 8.

    For easier access to glow plugs on cylinders 6 and 8, remove the exhaust down pipe from turbocharger.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.