GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 GMC C Sierra - 2WD 🢒 Engine 🢒 Engine Controls - 6.6L 🢒 Fuel Hose Replacement - Fuel Filter/Heater Element Housing to Fuel Feed Block

Removal Procedure

    Object Number: 791988 Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  3. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  4. Remove the engine wiring harness. Refer to Engine Wiring Harness Assembly Replacement .
  5. Remove the exhaust gas recirculation (EGR) valve. Refer to Exhaust Gas Recirculation Valve Replacement .
  6. Reposition the fuel hose clamps.
  7. Remove the fuel hose (1) from the fuel filter/heater element housing.
  8. Remove the fuel hose (1) from the fuel feed block.

Installation Procedure

    Object Number: 791988 Size: SH
  1. Install the fuel hose (1) to the fuel feed block.
  2. Install the fuel hose (1) to the fuel filter/heater element housing.
  3. Position the fuel hose clamps.
  4. Install the EGR valve. Refer to Exhaust Gas Recirculation Valve Replacement .
  5. Install the engine wiring harness. Refer to Engine Wiring Harness Assembly Replacement .
  6. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  8. Fill the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.