Condenser HVAC: Service and Repair

WM 875019 Removing and installing condenser

Technical values





Preliminary work

1. Drain refrigerant. -> 870317 Draining and filling refrigerant - section on "Draining" Service and Repair
2. Remove cover for front lock support. -> 70391900 Removing and installing cover for front lock support - section on "Removing" 70391900 Removing and installing cover for front lock support
3. Remove cooling fan housing (radiator frame). -> 192019 Removing and installing cooling fan housing (radiator frame) - section on "Removing" 192019 Removing and installing cooling fan housing (radiator frame)

Removing condenser

WARNING

Refrigerant

- Danger of freezing

-> Avoid contact with refrigerant.
-> Wear personal protective gear.
-> Observe the safety regulations for working on air-conditioned vehicles and dealing with refrigerant.
-> Observe the safety regulations for extraction and filling systems.
-> Observe the instructions for repairing air conditioning systems and storing spare parts.





Installation position of condenser

1. Open the support on the pressure line.





Opening support

2. Unscrew the fastening screws on the air-conditioning lines at the condenser.





Unscrewing fastening screws on air-conditioning lines

Information

Fix the radiator in installation position using tie-wraps.

3. Pull off the air-conditioning lines, close them off using a suitable stopper and set them aside.
4. Unclip the two plastic clips on the cover.





Unclipping plastic clips

5. Unscrew the fastening screws -1 - on the cover.





Unscrewing fastening screws on cover

6. Pull the cover up and off.





Removing cover

7. Pull the condenser out of the guide -2 -.





Pulling condenser out of the guide

8. Pull the condenser up and off.





Removing condenser

Installing condenser

Information

Before re-installing the component, check the O-rings of the refrigerant lines for damage and replaced them if necessary.

Wet the O-rings of the refrigerant lines with refrigerant oil.

Do not open the plugs for the lines and connections until shortly before installation.

Close off all lines and connections using suitable plugs during removal.

1. Slide the condenser into the guide from above.





Sliding in condenser

2. Slide in the cover from above.





Sliding in cover

3. Clip in fixing clips on the cover.





Clipping in fixing clips

4. Screw in the fastening screws -1- on the cover.





Screwing in fastening screws on cover

5. Position air-conditioning lines.
6. Screw in the fastening screws on the air-conditioning lines at the condenser.





Screwing in fastening screws on air-conditioning lines

=> Tightening torque: 14 Nm (10.5 ftlb.)
7. Close the supports on the air-conditioning lines.





Closing supports

Subsequent work

1. Install cooling fan housing (radiator frame). -> 192019 Removing and installing cooling fan housing (radiator frame) - section on "Installing" 192019 Removing and installing cooling fan housing (radiator frame)
2. Install cover for front lock support. -> 70391900 Removing and installing cover for front lock support - section on "Installing" 70391900 Removing and installing cover for front lock support
3. Fill in refrigerant. -> 870317 Draining and filling refrigerant - section on "Filling" Service and Repair