Condenser HVAC: Service and Repair

WM 875019 Removing and installing condenser

Tools





Technical values






Preliminary work

Preliminary work for condenser

-> 870317 Draining and filling in refrigerant

=> Removing and installing front apron - section on "removing"

Removing the condenser





Installation position

1. Unscrew the two fastening screws -1- holding the air guide for the condenser.





Air guide for condenser

2. Pull the air guide forward and disengage it at the condenser -A-.

Information

- When loosening or tightening the M8 refrigerant lines on the condenser, always counter with a 21-mm open-ended wrench.

3. Unscrew the two fastening screws -2- for the refrigerant lines.





Refrigerant lines on condenser

4. Unscrew fastening screw -3- , lift the condenser and disengage from radiator bracket.

Information

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

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

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

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

5. Unclip the condenser from the four brackets -A- and lift it out of the retaining bracket -arrow-.





Unclipping condenser

Installing the condenser

1. Insert condenser into the retaining bracket and clip it into place -A-.





Clipping in condenser

2. Engage the condenser on the radiator bracket and secure with the fastening screw -3-. => Tightening torque: 4 Nm (3 ftlb.)





Refrigerant lines on condenser

Information

When loosening or tightening the refrigerant lines with line connections , always counter with the special tool assembly tool 9822 if possible.

When loosening or tightening the refrigerant lines with connections to air-conditioning components (e.g. condenser) , always counter with a size 21 open-ended wrench.

Information

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

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

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

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

3. Carefully insert the refrigerant lines into the condenser and secure with the fastening screws -2-. => Tightening torque: 14 Nm (10.5 ftlb.)
4. Engage air guide on condenser -A- and screw down using the two fastening screws -1-. => Tightening torque: 4 Nm (3 ftlb.)





Air guide for condenser

Subsequent work

Rework on condenser

-> 870317 Draining and filling in refrigerant

=> Removing and installing front apron - section on "installing"