SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 939 (ENGINE CONTROLS - 6.6L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSGLOW PLUG RELAY REPLACEMENT (FEDERAL)REMOVAL PROCEDURE
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M

Removal Procedure

2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Removal 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: Upper Intake Manifold Sight Shield
    GM658266Courtesy of GENERAL MOTORS COMPANY
  1. Disconnect 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.
  2. Remove the upper intake manifold sight shield using the following procedure:
    1. Remove the retaining bolt in the front of the shield.
    2. Lift up on the front of the shield.
    3. Lift the shield off the rear bracket.
    3. Fig 2: View Of Glow Plug Controller Cover Clips
    GM1177261Courtesy of GENERAL MOTORS COMPANY
  3. Using a flat bladed screwdriver, disengage the glow plug controller cover clips.
    4. Fig 3: Glow Plug Controller Cover
    GM1177263Courtesy of GENERAL MOTORS COMPANY
  4. Remove the glow plug controller cover.
    5. Fig 4: Glow Plug Relay Terminal Nuts And Wires
    GM1177268Courtesy of GENERAL MOTORS COMPANY
  5. Remove the glow plug relay terminal nuts and wires.
    6. Fig 5: Glow Plug Controller Nuts
    GM1177264Courtesy of GENERAL MOTORS COMPANY
  6. Remove the glow plug controller nuts.
    7. Fig 6: Glow Plug Controller & Studs
    GM1177266Courtesy of GENERAL MOTORS COMPANY
  7. Lift the glow plug controller off the studs.
    8. Fig 7: Separating Glow Plug Relay From Glow Plug Controller Housing Using Screwdriver
    GM1177269Courtesy of GENERAL MOTORS COMPANY
  8. Separate the glow plug relay from the glow plug controller housing by inserting a small screwdriver between them while prying the relay assembly outward.
    9. Fig 8: Glow Plug Relay & Glow Plug Controller
    GM1177270Courtesy of GENERAL MOTORS COMPANY
  9. Slide the glow plug relay outward to disengage it from the glow plug controller housing.
    10. Fig 9: Disengaging Glow Plug Relay Clip Using Screwdriver
    GM1177271Courtesy of GENERAL MOTORS COMPANY
  10. Using a flat bladed screwdriver, disengage the glow plug relay clip.
    11. Fig 10: Glow Plug Relay
    GM1177272Courtesy of GENERAL MOTORS COMPANY
  11. Remove the glow plug relay.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.