Commander 2WD V8-4.7L (2008)
Expansion Valve: Service and Repair
Plumbing - Front
Removal
REMOVAL
WARNING: Refer to the applicable warnings and cautions for this system before performing the following operation See: Service
Precautions/Warning and See: Service Precautions/Caution. Failure to follow the warnings and cautions could result in possible personal
injury or death.
1. Disconnect and isolate the negative battery cable.
2. Recover the refrigerant from the refrigerant system See: Service and Repair/Refrigerant System Recovery.
3. On gasoline engine equipped models, remove the air intake tube and the resonator .See: Engine, Cooling and Exhaust/Engine/Tune-up and Engine
Performance Checks/Air Cleaner Housing
4. Remove the nut (1) that secures the A/C suction line (2) and the A/C liquid line (3) to the A/C expansion valve (4).
5. Disconnect the A/C suction and liquid lines from the A/C expansion valve and remove and discard the O-ring seals.
6. Install plugs in, or tape over the opened refrigerant line fittings and position the lines out of the way.
7. Remove the two bolts (1) that secure the A/C expansion valve (2) to the evaporator tube tapping block (3).
8. Remove the A/C expansion valve from the evaporator tube tapping block and remove and discard the O-ring seals.
9. Install plugs in, or tape over the opened evaporator tube fittings and all expansion valve ports.
Installation
INSTALLATION
CAUTION: Be certain to adjust the refrigerant oil level when servicing the A/C refrigerant system See: Service and Repair/Refrigerant Oil
Level. Failure to properly adjust the refrigerant oil level will prevent the A/C system from operating as designed and can cause serious A/C
compressor damage.
