2004 GMC Jimmy 2D Utility, Part Time, AutomaticFACTORY OEM SERVICE PROCEDURE

Installation Procedure

    Fig 1: View Of Fuel Pipes At Injector Assembly
    GM12858Courtesy of GENERAL MOTORS CORP.
  1. Assemble the new O-rings into the inlet and outlet of the fuel injector assembly.
  2. Apply a few drops of clean engine oil to the male tube ends.
  3. Install the fuel feed and return pipes to the injector assembly.
    4. Fig 2: View Of Injector Fuel Inlet & Outlet Pipe Retainer
    GM12855Courtesy of GENERAL MOTORS CORP.
  4. Install the fuel pipe retainer and the attaching nuts.
    5. NOTE: Refer to Fastener Notice in Cautions and Notices.
  5. Install the rear fuel pipe bracket retaining bolt.

    Tighten: 

    1. Tighten the rear fuel pipe bracket bolt to 6 N.m (53 lb in).
    2. Tighten the fuel pipe retainer nuts to 3 N.m (27 lb in).

  6. Install the new O-ring seals on the engine compartment fuel feed and the return pipes.
    7. Fig 3: Locating Fuel Hose/Pipes Components
    GM331785Courtesy of GENERAL MOTORS CORP.
  7. Install the chassis fuel feed and return pipes (1) to the engine compartment fuel feed and return pipes.

    Tighten:  Tighten the fuel pipe fittings to 27 N.m (20 lb ft).

  8. Connect the spark plug wires to the left side of the distributor.
  9. Tighten the fuel filler cap.
  10. Connect the negative battery cable.
  11. Inspect for leaks.
    1. Turn ON the ignition for 2 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition.
    4. Inspect for fuel leaks.
  12. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Resonator Replacement .
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.