Operation CHARM: Car repair manuals for everyone.
Home >> Jeep >> 2012 >> Grand Cherokee 2WD V8-5.7L >> Repair and Diagnosis >> Heating and Air Conditioning >> Hose/Line HVAC >> Service and Repair >> A/C Discharge Line - Installation
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

A/C Discharge Line - Installation






INSTALLATION

CAUTION: Be certain to adjust the refrigerant oil level when servicing the A/C refrigerant system Service and Repair . 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, see the Refrigerant Oil Capacities chart to determine how much oil should be added to the refrigerant system Service and Repair .

NOTE: Replacement of the refrigerant line seals is required anytime a refrigerant line is disconnected. Failure to replace the rubber and metal seals could result in a refrigerant system leak.

NOTE: 5.7L engine model shown in illustrations. Other models similar.





1. Position the A/C discharge line (3) into the engine compartment.
2. Remove the tape or plugs from the opened refrigerant line fittings and the compressor and condenser ports.
3. Lubricate new seals with clean refrigerant oil and install them onto the refrigerant line fittings. Use only the specified seals as they are made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
4. Connect the A/C discharge line to the A/C compressor.
5. Install the nut (2) that secures the A/C discharge line to the A/C compressor. Tighten the nut to 20 Nm (15 ft. lbs.).





6. Engage the A/C liquid line (5) to the A/C discharge line (4) and connect the lines to the A/C condenser (1).
7. Install the nut (6) that secures the A/C discharge and liquid lines to the A/C condenser. Tighten the nut to 20 Nm (15 ft. lbs.).
8. Install the bolt (2) that secures the A/C liquid line to the upper radiator support. Tighten the bolt securely.
9. If removed, install the A/C pressure transducer (3) onto the A/C discharge line. Tighten the A/C pressure transducer to 5.1 Nm (45 in. lbs.).
10. Connect the engine wire harness to the A/C pressure transducer.
11. Install the grille Grille - Installation.
12. On gasoline engine equipped models, install the air cleaner housing, air intake tube and resonator, as equipped.
13. Install the engine trim cover, if equipped.
14. Reconnect the negative battery cable.
15. Evacuate the refrigerant system Service and Repair.
16. Adjust the refrigerant oil level Service and Repair.
17. Charge the refrigerant system Service and Repair.

pro multis · About Operation CHARM