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: View Of Spark Plug And Sparkplug Seat
    GM14824Courtesy of GENERAL MOTORS CORP.
  1. Inspect each spark plug gap. Adjust each plug as needed.

    Specification:  Spark plug gap: 1.016 mm (0.040 in)

  2. Hand start the spark plugs in the corresponding cylinders.
  3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Tighten the spark plugs.

    Tighten: 

    • For cylinder head-new: Tighten the spark plugs to 20 N.m (15 lb ft).
    • For cylinder head-all subsequent installations: Tighten the spark plugs to 15 N.m (11 lb ft).

  5. Install the spark plug wires. Refer to Spark Plug Wire Replacement .
  6. Install the fuel rail covers.
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.