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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 995 (ENGINE CONTROLS - 6.6L (LB7) (INTRODUCTION))REPAIR INSTRUCTIONSFUEL INJECTOR 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: Refer to Engine Controls Component Views  for fuel injector locations. Failure to identify the correct cylinder will result in misdiagnosis.
  1. Remove the lower valve cover. Refer to Valve Rocker Arm Cover Replacement - Lower Left or Valve Rocker Arm Cover Replacement - Lower Right in Engine Mechanical - 6.6L.
    IMPORTANT: When the fuel injector pressure lines are removed, debris may fall into the fuel injector inlet fitting. Remove any debris from the inlet fitting of the fuel injector.
    2. IMPORTANT: Confirm which side of the banjo washers have the largest outer diameter.
  2. Remove the fuel injector return line from fuel injectors.
    3. Fig 1: View Of Fuel Injector Return Pipe
    GM660477Courtesy of GENERAL MOTORS CORP.
  3. Remove the bolt from the fuel injector bracket.
  4. Install J 44639  (2) onto the injector retainer bracket.
  5. Install a wrench onto J 44639  (2) and pry away from the fuel injector (1).
    6. Fig 2: Fuel Injector & J 44639
    GM761598Courtesy of GENERAL MOTORS CORP.
  6. Remove the fuel injector(s).
  7. Remove the copper compression washer from the injector hole if the washer was not removed with the injector.
RENDER: 1.0x

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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.