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Home >> Dodge and Ram >> 2013 >> Grand Caravan V6-3.6L >> Repair and Diagnosis >> Heating and Air Conditioning >> Expansion Valve >> Service and Repair >> A/C Expansion Valve - Installation >> Front

Front






INSTALLATION

CAUTION:
Be certain to adjust the refrigerant oil level when servicing the A/C refrigerant system. 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 system Refrigerant Oil Level .

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

NOTE:
LHD model shown in illustrations. RHD model similar.





1. Remove the tape or plugs from the opened refrigerant line fittings and the evaporator and expansion valve ports.

2. Lubricate new seals with clean refrigerant oil and install them onto the evaporator tube 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.

3. Install the A/C expansion valve (2) onto the A/C evaporator.

4. Install the two bolts (1) that secure the A/C expansion valve to the A/C evaporator. Tighten the bolts to 11 Nm (97 in. lbs.).





5. Lubricate new washer 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.

CAUTION:
Use care when installing the A/C lines to the A/C expansion valve. Carefully align the tube ends with the valve prior to tightening the A/C line retaining nut or damage to the sealing rings and tube ends may occur.

6. Connect the A/C suction line (1) and the A/C liquid line (4) to the A/C expansion valve (2).

7. Install the nut (3) that secures the A/C suction and liquid lines to the A/C expansion valve. Tighten the nut to 20 Nm (15 ft. lbs.).

8. Evacuate the refrigerant system Refrigerant System Evacuate.

9. Adjust the refrigerant oil level Refrigerant Oil Level.

10. Charge the refrigerant system Refrigerant System Charge.

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