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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1611 (Engine Control System & Fuel System - 6.6L (LMM) - Repair Instructions) >> Repair Instructions >> Fuel Injection Fuel Feed Pipe Replacement - Right Side >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Ensure proper torquing of the fuel injector line. An under-torqued fuel injector line will not seal properly and an over-torqued fuel injector line may damage the fuel injector fitting. An improperly sealed or damaged fuel injector line or fuel injector fitting will cause a fuel leak.
    Fig 1: View Of Fuel Injector Pipes
    GM1335614Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  1. Install the fuel injector pipes.

    Tighten:  Tighten the fittings to 41 N.m (30 lb ft).

  2. Reposition the engine wiring harness as necessary.
    3. Fig 2: View Of Engine Wiring Harness Electrical Connector, Bracket & Extension Clip
    GM1872490Courtesy of GENERAL MOTORS CORP.
  3. Position the engine wiring harness bracket (2) to the valve rocker arm cover and install the bracket bolts.

    Tighten:  Tighten the bolts to 24 N.m (18 lb ft).

  4. Connect the engine wiring harness electrical connector (1) to the fuel injection fuel rail pressure sensor wiring harness extension electrical connector.
  5. Install the fuel injection fuel rail pressure sensor wiring harness extension retainer (3) to the bracket.
    6. Fig 3: Engine Wiring Harness Electrical Connector
    GM1871112Courtesy of GENERAL MOTORS CORP.
  6. Connect the engine wiring harness electrical connector (1) to the EGR valve.
  7. Install the fuel filter/heater element housing to fuel feed block fuel hoses. Refer to Fuel Hose Replacement - Fuel Filter/Heater Element Housing to Fuel Feed Block .
  8. Install the fuel filter assembly. Refer to Fuel Filter Assembly Replacement .
  9. Install the charge air cooler outlet pipe. Refer to Charge Air Cooler Outlet Pipe Replacement .
  10. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  11. Prime the fuel system. Refer to Fuel System Priming .
  12. Start the engine. If the engine stalls, repeat the above step.
  13. Once the engine starts, inspect for fuel leaks.
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