Heater Core: Service and Repair

Heater Core Removal
- Remove air collector.
- Remove heater controls.
- Remove shelf.




- Loosen nut and place water flange to one side. Carefully blow air into the feed lines to prevent that residual cooling water in heater core does not drip onto carpet.
- Unscrew studs.




- Replace O-rings.




- Unscrew bolts and pull back three-way-flange.




- Lift control unit out and disconnect plug.




- Unclip wiring harness from brackets on top, below and sides. Pull off connectors.


NOTE: the air-conditioning system remains installed.





- Loosen bolts and place cover to one side.




- Unclip actuation lever and pry out air ducts with linkage.




- Pry out heater core towards front.