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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1032 (Engine Mechanical - 6.6L (Lb7) (Repair Instructions 2 Of 4)) >> Repair Instructions (Off-Vehicle - Part 2) >> Glow Plug Controller and Glow Plugs Removal

Glow Plug Controller and Glow Plugs Removal

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the intake air heater connector.
    2. Fig 1: View Of Intake Air Heater Connector
    GM798879Courtesy of GENERAL MOTORS CORP.
  2. Remove the glow plug harness bracket bolt.
  3. Remove the glow plug harness nut from the left cylinder bank.
  4. Remove the glow plug power feed wires from both cylinder banks.
  5. Remove the glow plug controller nuts.
  6. Remove the glow plug controller.
    7. Fig 2: View Of Glow Plug Controller Components
    GM660433Courtesy of GENERAL MOTORS CORP.
  7. Remove the glow plug harness nuts from the left cylinder bank.
  8. Remove the glow plug harness from the left cylinder bank - 1 California, 2 Federal.
    9. Fig 3: View Of Left bank Glow Plug Harness (California & Federal Emissions)
    GM660492Courtesy of GENERAL MOTORS CORP.
  9. Remove the glow plugs from the left cylinder bank.
  10. Remove the glow plug harness nuts from the right cylinder bank.
  11. Remove the glow plug harness from the right cylinder bank - 1 California, 2 Federal.
    12. Fig 4: View Of Right Bank Glow Plug Harness (California & Federal Emissions)
    GM660512Courtesy of GENERAL MOTORS CORP.
  12. Remove the glow plugs from the right cylinder bank.
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