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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 950 (Engine Controls - 6.6L (Lb7) (Introduction)) >> Repair Instructions >> Fuel Rail Assembly Replacement - Bank 2 >> 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 cables. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.
  2. Drain the cooling system. Refer to Draining and Filling Cooling System (with HP2) or Draining and Filling Cooling System (without HP2) in Engine Cooling.
  3. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  4. Reposition the positive crankcase ventilation (PCV) hose clamp.
  5. Remove the PCV hose.
    6. Fig 1: View Of Crankcase Ventilation Hoses At Valve Rocker Arm Covers
    GM687021Courtesy of GENERAL MOTORS CORP.
  6. Remove the fuel injection control module. Refer to Fuel Injection Control Module Replacement .
  7. Remove the fuel filter. Refer to Fuel Filter Replacement 
  8. Remove the exhaust gas recirculation (EGR) valve. Refer to Exhaust Gas Recirculation (EGR) Valve Replacement .
  9. Disconnect the fuel feed rear pipe from the junction block (1).
    10. Fig 2: Fuel Feed Rear Pipe At Junction Block
    GM660438Courtesy of GENERAL MOTORS CORP.
  10. Remove the fuel injector feed pipe retainer bolts and retainers.
  11. Remove the fuel injector pipes.
    12. Fig 3: Right Fuel Injector Feed Pipes
    GM660502Courtesy of GENERAL MOTORS CORP.
    Fig 4: Fuel Rail & Bolts (Bank 2)
    GM660459Courtesy of GENERAL MOTORS CORP.
  12. Remove the fuel rail bolts and rail.
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