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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 Rail Assembly Replacement - Bank 2 >> 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.
    Fig 1: View Of Left Fuel Rail & Bracket
    GM1335616Courtesy of GENERAL MOTORS CORP.
  1. Install the fuel hose to the fuel injection fuel rail and position the clamp, if required.
  2. Position the fuel injection fuel rail and bracket to the left intake manifold.
    3. CAUTION: Refer to Fastener Caution .
  3. Install the fuel injection fuel rail bolts.

    Tighten:  Tighten the bolts to 25 N.m (18 lb ft).

    4. Fig 2: View Of Left Fuel Injector Pipes
    GM1335608Courtesy of GENERAL MOTORS CORP.
    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.
  4. Position the fuel injection fuel feed pipes.
    5. Fig 3: View Of Left Fuel Rail Feed Pipe Fittings
    GM1387871Courtesy of GENERAL MOTORS CORP.
  5. Tighten the left fuel rail fuel feed pipe fittings (1).

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

    6. Fig 4: View Of Fuel Line Bracket & Bolts
    GM1872505Courtesy of GENERAL MOTORS CORP.
  6. Position the fuel pipe bracket (3) and install the bolt (4).

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

    7. Fig 5: View Of Fuel Line Bracket & Nut
    GM1378748Courtesy of GENERAL MOTORS CORP.
  7. Install the fuel return pipe. Refer to Fuel Return Pipe Replacement .
  8. Install the right fuel rail fuel feed pipe. Refer to Fuel Injection Fuel Feed Front Pipe Replacement - Right Side .
  9. Install the PCV hose/pipe. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .
  10. Install the charge air cooler inlet pipe. Refer to Charge Air Cooler Inlet Pipe Replacement .
  11. Install the fuel line bracket to the stud.
  12. Install the fuel line bracket nut.

    Tighten:  Tighten the nut to 16 N.m (12 lb ft).

  13. Prime the fuel system. Refer to Fuel System Priming .
  14. Start the engine. If the engine stalls, repeat the above step.
  15. Once the engine starts, inspect for fuel leaks.
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