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.
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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 795 (HVAC SYSTEM)BASIC SYSTEMEXPANSION VALVE REMOVAL/INSTALLATION
2004 Oldsmobile Bravada RWD
Expansion Valve Removal/Installation
2004 Oldsmobile Bravada RWDSECTION Expansion Valve Removal/Installation
WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the negative battery cable.
- Discharge the refrigerant from the system. See REFRIGERANT RECOVERY . See REFRIGERANT CHARGING .CAUTION:
- If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign material out of the cycle.
- Disconnect the cooler hose (LO) and cooler pipe. Do not allow compressor oil to spill. REFRIGERANT LINES REMOVAL/INSTALLATION .
- Remove the PJB. See FUSES & CIRCUIT BREAKERS .
- Remove the shower duct (RH).
- Remove the bolt and shift the evaporator pipe. Do not allow compressor oil to spill.
- Remove the expansion valve. Do not allow compressor oil to spill.
- Install in the reverse order of removal.
- Perform the refrigerant system performance test. REFRIGERANT SYSTEM PERFORMANCE TEST .
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.