SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 993 (ENGINE CONTROLS - 8.1L (INTRODUCTION))REPAIR INSTRUCTIONSFUEL RAIL ASSEMBLY REPLACEMENTREMOVAL PROCEDURE
2004 Oldsmobile Bravada RWD

Removal Procedure

2004 Oldsmobile Bravada RWDSECTION Removal 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.
IMPORTANT: An eight digit identification number is located on the fuel rail. Refer to this number if servicing, or part replacement is required.
    Fig 1: View Of Generator, Injector Harness, Ignition Coil Harness, ETC & Purge Valve Solenoid Electrical Connectors
    GM1235689Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
  2. Remove the engine sight shield. Refer to Engine Sight Shield Replacement in Engine Mechanical - 8.1L.
  3. Disconnect the generator electrical connector (2).
  4. Disconnect the evaporative emission (EVAP) canister purge valve electrical connector.
  5. Disconnect the electronic throttle control (ETC) electrical connector (5).
  6. Remove the engine harness bolt and studs.
  7. Reposition the engine harness to the drivers side of the engine compartment.
    8. Fig 2: Identifying Lock Release
    GM372749Courtesy of GENERAL MOTORS CORP.
  8. Identify the fuel injector connectors to their corresponding injectors in order to ensure correct sequential injector firing order after reassembly.
  9. Pull the top portion (2) of the connector up. Do not pull the top portion of the connector past the top of the white portion (1).
    10. Fig 3: Disconnecting Fuel Injector Electrical Connectors
    GM372753Courtesy of GENERAL MOTORS CORP.
  10. Push the tab (1) on the lower side of the connector in order to release the connector from the injector.
  11. Repeat step 12 and step 13 for each injector connector.
    12. Fig 4: View Of Fuel Feed Pipe & EVAP Canister Purge Pipe
    GM1238587Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.