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HOMESERVICE MANUALSCHEVROLET2001C3500 HD 8.1 G, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1756 (ENGINE CONTROLS - 6.6L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSGLOW PLUG RELAY REPLACEMENT (FEDERAL)INSTALLATION PROCEDURE
2001 Chevrolet C3500 HD 8.1 G, Automatic

Installation Procedure

2001 Chevrolet C3500 HD 8.1 G, AutomaticSECTION Installation Procedure
WARNING: This page is about a different car, the 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, 2001 Chevrolet Silverado, and 2001 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Glow Plug Relay
    GM1177272Courtesy of GENERAL MOTORS COMPANY
  1. Install the glow plug relay.
    2. Fig 2: Glow Plug Relay & Glow Plug Controller
    GM1177270Courtesy of GENERAL MOTORS COMPANY
  2. Slide the glow plug relay inward to engage it to the glow plug controller housing.
    3. Fig 3: Glow Plug Controller & Studs
    GM1177266Courtesy of GENERAL MOTORS COMPANY
  3. Set the glow plug controller onto the studs.
    4. Fig 4: Glow Plug Controller Nuts
    GM1177264Courtesy of GENERAL MOTORS COMPANY
  4. Refer to FASTENER NOTICE in Cautions and Notices.

    Install the glow plug controller nuts.

    Tighten 

    Tighten the nuts to 42 N.m (31 lb ft).

    5. Fig 5: Glow Plug Relay Terminal Nuts And Wires
    GM1177268Courtesy of GENERAL MOTORS COMPANY
  5. Install the glow plug relay terminal wires and nuts.

    Tighten 

    Tighten the nuts to 5 N.m (44 lb in).

    6. Fig 6: Glow Plug Controller Cover
    GM1177263Courtesy of GENERAL MOTORS COMPANY
  6. Install the glow plug controller cover.
    7. Fig 7: Upper Intake Manifold Sight Shield
    GM658266Courtesy of GENERAL MOTORS COMPANY
  7. Install the upper intake manifold sight shield.

    Tighten 

    Tighten the bolt to 9 N.m (80 lb in).

  8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Auxiliary Battery) , Battery Negative Cable Disconnection and Connection (Single Battery) in Engine Electrical.
RENDER: 1.0x

NO RELATED

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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.