Fuel System Pressure Release

2004 Oldsmobile Bravada AWDSECTION Fuel System Pressure Release
WARNING: This page is about a different car, the 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, 2003 Chevrolet Monte Carlo, and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: ALWAYS release fuel pressure before disconnecting any fuel injection-related component. Do NOT allow fuel to contact engine or electrical components. Before servicing any electrical component, the ignition key must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.
  1. Disconnect the negative battery cable.
  2. CAUTION: Install the fuel pressure gauge fitting above the belt to avoid contact with the belt.
  3. Install the Fuel Pressure Gauge Adaptor (J 34730-262), or equivalent, to the fuel pressure connection, located on the fuel rail. See Figure.
  4. Place the fuel pressure gauge bleed hose into an approved gasoline container.
  5. Open the valve to bleed the system pressure. The fuel connections are now safe for servicing.
  6. Disconnect the fuel pressure gauge from the fuel pressure connection and install the fuel pressure port cap.
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.

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.