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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 908 (Engine Controls And Fuel - 6.6L (LMM) - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Feed Pipe Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Engine Wiring Harness Electrical Connector
    GM1870783Courtesy of GENERAL MOTORS CORP.
  1. Remove the water outlet tube. Refer to Water Outlet Tube Replacement (LMM) or Water Outlet Tube Replacement (LU3) .
  2. Remove the intake manifold tube. Refer to Intake Manifold Tube Replacement .
  3. Remove the generator. Refer to Generator Replacement (4.3L) or Generator Replacement (4.8L, 5.3L, 6.0L, and 6.2L) or Generator Replacement (6.6L) .
  4. Disconnect the chassis fuel feed pipe quick connect fitting from the fuel feed pipe. Refer to Metal Collar Quick Connect Fitting Service .
  5. Disconnect the engine wiring harness electrical connectors (1) from the engine coolant temperature (ECT) sensors, and reposition the wiring out of the way.
    6. Fig 2: View Of Fuel Filter Hose Clamps
    GM1871964Courtesy of GENERAL MOTORS CORP.
  6. Reposition the fuel filter hose clamp (2) at the fuel feed pipe.
    7. Fig 3: View of Fuel Filter Hoses & Retainer
    GM1871965Courtesy of GENERAL MOTORS CORP.
  7. Remove the fuel filter hose (2) from the fuel feed pipe.
    8. Fig 4: View Of Fuel Filter Hoses & Clamps
    GM1872011Courtesy of GENERAL MOTORS CORP.
  8. Reposition the fuel hose clamp (2) at the fuel injection pump.
  9. Remove the fuel hose (1) from the injection pump and reposition the hose out of the way.
    10. Fig 5: View Of Fuel Feed Pipe Clip Nuts
    GM1872306Courtesy of GENERAL MOTORS CORP.
  10. Remove the fuel feed pipe clip nuts (1 and 2) and bolt (3).
    11. Fig 6: View Of Fuel Pipe Bracket Bolt & Fuel Feed Pipe Clip
    GM1872307Courtesy of GENERAL MOTORS CORP.
  11. Remove the fuel pipe bracket bolt (1) and fuel feed pipe clip (2).
    12. Fig 7: View Of Fuel Feed Pipe
    GM1872308Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Note the routing of the fuel feed pipe under the engine wiring harness.
  12. Remove the fuel feed pipe.
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