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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 Rail Fuel Feed Pipe Replacement - Right >> 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. Drain the cooling system. Refer to Draining and Filling Cooling System (with HP2) or Draining and Filling Cooling System (without HP2) in Engine Cooling.
  2. 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.
  3. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  4. 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 can be torn or damaged. Loosen the hose by twisting.
    5. 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).
    IMPORTANT: Do not use a screwdriver or other tool to pry the hose loose. The hose can be torn or damaged. Loosen the hose by twisting.
    7. Fig 2: View Of Charged Air Cooler Inlet Duct & Clamps
    GM877281Courtesy of GENERAL MOTORS CORP.
  7. Remove the charged air cooler inlet duct from the turbocharger.
  8. Remove the engine wiring harness. Refer to Engine Wiring Harness Assembly Replacement .
  9. 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.
  10. Disconnect the fuel lines from the chassis pipes. Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  11. Remove the fuel feed front pipe bracket nut.
  12. Remove the fuel feed front pipe (1).
    13. Fig 3: Fuel Feed Front Hose To Fuel Feed Front
    GM791983Courtesy of GENERAL MOTORS CORP.
  13. Remove the fuel injection pump to junction block fuel feed front pipe.
    14. Fig 4: Junction Block To Fuel Injection Pump Fuel Feed Pipe
    GM791907Courtesy of GENERAL MOTORS CORP.
  14. Remove the fuel rail feed pipe bracket
  15. Remove the fuel rail feed pipe from junction block.
  16. Remove the fuel rail feed pipe from right fuel rail.
    17. Fig 5: Right Fuel Rail Feed Pipe Between Junction Block & Right Fuel Rail
    GM791898Courtesy of GENERAL MOTORS CORP.
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