1. Drain the coolant from the bottom hole of the radiator and collect for reuse. The drain pan is placed under the hose connection of the thermal barrier, pay attention to the location of the hoses and then separate the two hoses.
2. Disconnect the heater valve cable from the valve. Loosen the bottom mounting nut of the heater.
3. Remove the dashboard.
4. Remove the heater sleeve.
5. Disconnect the cable for switching the operating mode and the cable for the air mixer damper from the heater unit.
6. Disconnect the clips and remove the floor air ducts on both sides of the vehicle. Disconnect the vacuum hose from the 5-way connector.
7. Unscrew the two heater mounting bolts (above) and remove the heater.
8. Assembly is in reverse order. Pay attention to the following points:
- a. Use grease on all o-rings.
- b. Check the position of the inlet and outlet hoses in relation to the heater to make sure they are not mixed up. Install the clamps in the correct positions and make sure they are securely fastened.
- c. Fill and bleed the cooling system using the bleed bolt.
- d. Make sure the cables opening/closing the flaps are securely connected for the flaps to function properly.