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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1454 (ENGINE CONTROLS (INTRODUCTION) -- 5.7L)REPAIR INSTRUCTIONSFUEL RAIL ASSEMBLY REPLACEMENTINSTALLATION PROCEDURE
2004 Oldsmobile Bravada RWD

Installation Procedure

2004 Oldsmobile Bravada RWDSECTION Installation Procedure
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Fuel Rail Ground Strap
    GM260133Courtesy of GENERAL MOTORS CORP.
  1. Note the location of the fuel rail ground strap (1) on the intake manifold. The fuel rail ground strap must be installed during assembly.
    2. Fig 2: Fuel Rail Assembly & Bolts
    GM222050Courtesy of GENERAL MOTORS CORP.
  2. Lubricate the new lower injector O-ring seals with clean engine oil.
  3. Install the new O-ring seals on the spray tip end of each injector.
    4. CAUTION: The fuel rail stop bracket must be installed onto the engine assembly. The stop bracket serves as a protective shield for the fuel rail in the event of a vehicle frontal crash. If the fuel rail stop bracket is not installed and the vehicle is involved in a frontal crash, fuel could be sprayed possibly causing a fire and personal injury from burns.
  4. Install the fuel rail assembly to the intake manifold.
  5. Apply a 5 mm (0.020 in) band of GM P/N 12345382 (Canadian P/N 10953489) threadlock or equivalent to the threads of the fuel rail bolts.
    6. NOTE: Refer to Fastener Notice in Cautions and Notices.
  6. Install the fuel rail attaching bolts.

    Tighten:  Tighten the fuel rail attaching bolts to 10 N.m (89 lb in).

    7. Fig 3: Fuel Injector Electrical Connectors
    GM187335Courtesy of GENERAL MOTORS CORP.
  7. Connect the injector electrical connectors.
    • Install each connector on the proper injector in order to ensure the correct sequential injector firing order.
    • Rotate the injectors as required in order to avoid stretching the injector wiring harness.
    8. Fig 4: Chassis Fuel Pipe, Fuel Feed Hose & Fuel Rail
    GM329571Courtesy of GENERAL MOTORS CORP.
  8. Connect the fuel feed hose (2) to the fuel rail (1). Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  9. Tighten the fuel filler cap.
  10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  11. Perform the following procedure in order to inspect for leaks:
    1. Turn the ignition switch ON for 2 seconds.
    2. Turn the ignition switch OFF for 10 seconds.
    3. Turn the ignition switch ON.
    4. Inspect for fuel leaks.
    12. Fig 5: Right Fuel Rail Cover
    GM59189Courtesy of GENERAL MOTORS CORP.
  12. Install the right fuel rail cover.
    13. Fig 6: Left Fuel Rail Cover
    GM43560Courtesy of GENERAL MOTORS CORP.
  13. Install the left fuel rail cover.
  14. Program the transmitters. Refer to Transmitter Programming in Keyless Entry.
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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.