Operation CHARM: Car repair manuals for everyone.

Removing and Installing Additional Air Conditioner



Removing And Installing Additional Air Conditioner

Tools







Preliminary work

1. Drain engine coolant.
2. Remove rear side trim panel.
3. Remove rear left wheel.
4. Remove left rear wheel housing liner.

Removing additional air conditioner







ATTENTION: Danger of injury from contact with the refrigerant

- Observe safety regulations when working with refrigerant.

1. Remove refrigerant by suction.

NOTE: For vehicles with four-zone air conditioning (2+2), the auxiliary air-conditioning unit is located behind the left rear side section cover for the auxiliary air-conditioning unit.







2. Press together the spring band clamps -1- for the fastening clamps using the circlip pliers for spring band clamps, Cayenne hose connections NR.72-1 and pull off coolant hoses -C- from the spacer -D-.
3. Unscrew the fastening screws -2- for the refrigerant lines, remove the refrigerant lines -A- and -B-, and close with plugs.
4. Unscrew fastening screws -3-.







5. Press together the air duct from above and pull out of the air-conditioning unit.







6. Press the release on the electrical plug -A--Arrow A- and pull off plug -A- and -B-.







7. Unscrew the three fastening screws -4-, hold auxiliary air-conditioning unit.







8. Raise auxiliary air-conditioning unit and pull off water drainage.







9. First pull auxiliary air-conditioning unit inward -arrow- and pull out with the coolant hoses.

Installing additional air conditioner







1. Slide the coolant hoses through the wheel well opening and place the auxiliary air-conditioning unit from the inside -arrow- onto the wheel well.







2. Hold auxiliary air-conditioning unit and connect water drainage. Ensure that the water drainage remains connected to the drain when fitting the auxiliary air-conditioning unit.







3. Screw in and tighten the three fastening screws -4-. Tightening torque 6 ftlb.







4. Press in the electrical plug -A- and -B- until plug is felt to engage.







5. Push the air duct into the auxiliary air-conditioning unit until the air duct engages.
6. Screw in and tighten both fastening screws -3-. Tightening torque 7.5 ftlb.







7. Remove the plugs for the refrigerant lines -A- and -B-, check the O-rings of the refrigerant lines and if in doubt, replace.
8. Spray the O-rings with refrigerant oil, slide in wires and tighten using both fastening screws -2-. Tightening torque 9 ftlb.
9. Slide the coolant hoses -C- onto the coolant lines and secure with the spring-band clamps -1-. circlip pliers for spring band clamps, Cayenne hose connections NR.72-1
10. Insert the coolant hoses into the spacer -D-.

Subsequent work

1. Fill in refrigerant.
2. Top up engine coolant.
3. Install rear side trim panel.
4. Install left rear wheel housing liner.
5. Install rear left wheel.