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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 >> Fuel Feed Pipe Replacement - Fuel Junction Block to Fuel Injection Pump >> 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 air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  3. Loosen the charged air cooler outlet duct clamp (1).
    IMPORTANT: Do not use a screwdriver or other tool to pry the hose loose. The hose cam be torn or damaged. Loosen the hose by twisting.
  4. Fig 1: View Of Charged Air Cooler Outlet Duct & Clamps
    GM877275Courtesy of GENERAL MOTORS CORP.
  5. Remove the charged air cooler outlet duct.
  6. Loosen the charged air cooler inlet duct to turbocharger clamp (1).
  7. Fig 2: View Of Charged Air Cooler Inlet Duct & Clamps
    GM877281Courtesy of GENERAL MOTORS CORP.
  8. Remove the charged air cooler inlet duct from the turbocharger.
  9. Remove the engine wiring harness. Refer to Engine Wiring Harness Assembly Replacement .
  10. Remove the water outlet tube. Refer to Water Outlet Tube Replacement (6.6L (LB7) Engine) or Water Outlet Tube Replacement (6.6L (LLY) Engine) in Engine Cooling.
  11. Remove the junction block to fuel injection pump fuel feed pipe.
  12. Fig 3: Junction Block To Fuel Injection Pump Fuel Feed Pipe
    GM791907Courtesy of GENERAL MOTORS CORP.