Dismantling
1. Remove the HEVAC unit.
HEATING AND VENTILATION, REPAIR WORK, Heater assembly / heater, ventilation and air conditioning control unit (HEVAC) - dismantling for easier access and installation.
2. Turn over the HEVAC unit.
3. Remove the 2 Torx screws securing the left duct elbow to the HEVAC unit. Remove the duct elbow.
4. Turn out 2 Torx screws fastening pipelines of a heater to a radiator, release and remove pipelines. Remove and discard O-rings.
CAUTION: Always plug fittings and openings to keep dirt out of the system.
5. Turn out 4 Torx screws and remove a spring clamp from the right knee of an air duct of a heater. Remove the duct elbow.
6. Disconnect the block from the evaporator sensor connector.
7. Disconnect the connector block and remove the fan motor that supplies air to the rear of the passenger compartment.
8. Remove the 4 Torx screws securing the TXV box cover and move it to the side.
9. Remove the 7 Torx screws and 3 spring clips from the bottom access panel of the HEVAC unit.
10. Release the two latches and remove the inspection cover.
11. Remove the heater core.
Assembly
1. Install the matrix into the HEVAC unit, position the access panel and secure it with screws and clamps.
2. Install and secure the cover of the TXV unit.
3. Install the electric motor on the heater unit, connect the connector block.
4. Connect the connector to the evaporator sensor connector.
5. Install the right heater duct elbow onto the HEVAC unit and secure it with the retainer and screws.
6. Clear surfaces of interface of pipelines and a radiator of a heater.
7. Install new O-rings on the heater pipes, connect the pipes to the radiator, tighten the screws and tighten them. Tightening torque - 10 Nm.
8. Install the right elbow of the heater air duct on the HEVAC unit and fix it with screws.
9. Install the HEVAC unit in the control panel.
HEATING AND VENTILATION, REPAIR WORK, Heater assembly / heater, ventilation and air conditioning control unit (HEVAC) - dismantling for easier access and installation.
Comments on this article