Procedures

802319 Removing And Installing Heat Exchanger

Preliminary work

Preliminary work for heat exchanger
Remove left and right dome strut.

Removing heat exchanger

Disconnecting coolant hoses of heat exchanger:

1. Release the two fastening clamps for the coolant hoses of the heat exchanger and slide them back over the hoses.
2. Carefully lift off the cover of the heat exchanger and remove from the body.

NOTE: If the cover of the heat exchanger is damaged during removal, it must be replaced.

Removing the heat exchanger:

3. Undo the two fastening screws -1- and carefully lift the heat exchanger up and out.

Installing heat exchanger

Inserting heat exchanger into the heating/air-conditioning unit:

1. Carefully insert heat exchanger from above into the heating/air-conditioning unit and secure with the fastening screws -1-. Tightening torque 1.0 ftlb.

NOTE: If the cover of the heat exchanger is damaged during removal, it must be replaced.

Seal of heat exchanger cover:

2. Check the seal at the cover of the heat exchanger and repair using a commercially available butyl adhesive or replace if necessary.

Securing coolant hoses of heat exchanger:

3. Push the cover over the connections of the heat exchanger and press into place against the body, making sure it fits securely.
4. Push coolant hoses onto the heat exchanger and secure with fastening clamps.

Subsequent work

Subsequent work for heat exchanger
Install left and right dome strut.