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 Service and Repair
=> Removing and installing front apron - section on "removing"
Removing condenser
Installation position shown on the 911
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 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 if possible.
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 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.
5. Unclip the condenser from the four brackets -A- and lift it out of the retaining bracket -arrow-.
Unclipping condenser
Installing 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 if possible.
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.
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 Service and Repair
=> Removing and installing front apron - section on "installing"