Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Removal & Installation
2004 Oldsmobile Bravada RWDSECTION Removal & Installation
WARNING: This page is about a different car, the 2002 Pontiac Sunfire and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
- CNG fuel module assembly is located below Gas Distribution Adapter (GDA). See Figure. Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE (CNG) . Disconnect negative battery cable. Remove throttle cables from retaining clip.
- Remove the bolts mounting the GDA bracket to the CNG fuel module assembly bracket. Loosen the GDA clamp at the throttle body. Loosen the clamp at the Gas Mass Sensor/Mixture Control Valve (GMS/MCV) hose. Loosen the clamp at the intake duct and disconnect the duct. Disconnect the PCV hose. Remove the GDA as an assembly.
- Disconnect the fuel inlet line from the Low Pressure Lock-Off (LPL) solenoid. Disconnect wiring harness connectors. Remove CNG fuel module assembly bracket nuts and bolts. Remove CNG fuel module assembly. To install, reverse removal procedure. Tighten all fasteners to specification. See TORQUE SPECIFICATIONS . Start the engine. Using Ultrasonic Leak Detector (J 41416), check for CNG fuel leaks at each serviced fitting.
RENDER: 1.0x
NO RELATED
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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.