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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 976 (Engine Controls - 6.6L (Lb7) (Introduction)) >> Repair Instructions >> Fuel Injector Feed Pipes Replacement - Right >> Installation Procedure

Installation 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. Install the fuel injector feed pipes.
    2. Fig 1: Right Fuel Injector Feed Pipes
    GM660502Courtesy of GENERAL MOTORS CORP.
    NOTE: 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.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Tighten the fuel injector feed pipe fittings (1, 2).

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

  3. Install the fuel injector feed pipe retainers and bolts.

    Tighten:  Tighten the screws to 4 N.m (35 lb in).

  4. After installing the fuel injector lines, clean the injector line and apply sealant, GM P/N 97720043, at the fittings (1, 2) to prevent moisture and debris from collecting between the line and fitting
    5. Fig 2: View Of Fuel Injector Line Fittings
    GM1336209Courtesy of GENERAL MOTORS CORP.
  5. Install EGR valve. Refer to Exhaust Gas Recirculation (EGR) Valve Replacement .
  6. Position the heater outlet hose.
  7. Install the fuel filter. Refer to Fuel Filter Replacement .
  8. Install the fuel injection control module. Refer to Fuel Injection Control Module Replacement .
  9. Install the heater outlet hose bolt (2) to the generator bracket.

    Tighten:  Tighten the bolt to 21 N.m (15 lb ft).

    10. Fig 3: View Of Heater Outlet Nut & Bolt
    GM665386Courtesy of GENERAL MOTORS CORP.
  10. Install the charged air cooler outlet duct to the intake.
  11. Align the mark on the duct (3) with the mark on the turbocharger.
  12. Position the clamp (1) as shown for proper clearance.

    Tighten:  Tighten the clamp to 6 N.m (53 lb in).

    13. Fig 4: View Of Charged Air Cooler Outlet Duct & Clamps
    GM877275Courtesy of GENERAL MOTORS CORP.
  13. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
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