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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 976 (Engine Controls - 6.6L (Lb7) (Introduction)) >> Repair Instructions >> Glow Plug Replacement - Bank 1 >> Removal Procedure

Removal Procedure

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. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.
  2. Remove the wheelhouse panel. Refer to Wheelhouse Panel Replacement in Body Front End.
  3. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  4. Remove the glow plug nuts from the desired glow plug(s).
  5. Remove the harness from the desired glow plug(s) (1).
    6. Fig 1: Left Side Engine Harness At Glow Plugs
    GM788840Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: On the Federal emissions equipped vehicles there is a buss bar (2) connecting the glow plugs on each bank of the engine.
  6. Remove the desired glow plug(s).
    7. Fig 2: Buss Bar (Federal Emissions)
    GM660512Courtesy of GENERAL MOTORS CORP.
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