Grand Cherokee 4WD V8-4.7L Flex Fuel (2009)
Hose/Line HVAC: Service and Repair
A/C Discharge Line - Removal
3.7L/4.7L ENGINES
WARNING: Refer to the applicable warnings and cautions for this system before performing the following operation See: Heating and Air
Conditioning/Service Precautions/Warning and See: Heating and Air Conditioning/Service Precautions/Caution . Failure to follow these
instructions may result in possible serious or fatal injury.
NOTE: LHD model shown. RHD model similar.
1. Disconnect and isolate the negative battery cable.
2. Recover the refrigerant from the refrigerant system See: Heating and Air Conditioning/Service and Repair/Refrigerant System Recovery.
3. Remove the grille See: Body and Frame/Grille/Service and Repair/Grille - Removal.
4. Remove the air cleaner housing, air intake tube and the resonator See: Filters/Air Cleaner Housing/Service and Repair/Air Cleaner Body -
Removal.
5. Remove the nut (1) that secures the A/C discharge line (4) to the A/C compressor (2).
6. Disconnect the A/C discharge line from the A/C compressor and remove and discard the dual-plane seal.
7. Remove the nut (5) that secures the A/C discharge line to the A/C condenser (3).
8. Disconnect the A/C discharge line from the A/C condenser and remove and discard the dual-plane seal.
9. Install plugs in, or tape over the opened discharge line fittings and the compressor and condenser ports.
10. Remove the A/C discharge line from the engine compartment.
A/C Discharge Line - Installation
3.7L/4.7L ENGINES
CAUTION: Be certain to adjust the refrigerant oil level when servicing the A/C refrigerant system See: Heating and Air Conditioning/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.
NOTE: When replacing multiple A/C system components, refer to the Refrigerant Oil Capacities chart to determine how much oil should be
added to the refrigerant systemSee: Heating and Air Conditioning/Service and Repair/Refrigerant Oil Level .
NOTE: Replacement of the refrigerant line O-ring seals and gaskets is required anytime a refrigerant line is opened. Failure to replace the
rubber O-ring seals and metal gaskets could result in a refrigerant system leak.
