Housing Assembly HVAC: Service and Repair

HEATER & COOLING UNIT ASSEMBLY

HEATER & COOLING UNIT ASSEMBLY : Removal and Installation


COMPONENTS












REMOVAL

1.Discharge the refrigerant from the A/C system. Service and Repair.
2.Drain the engine coolant from the cooling system. Procedures.
3.Disconnect the battery negative and positive terminals.
4.Remove the front wiper drive assembly. Service and Repair.
5.Remove the strut tower bar. Exploded View.
6.Disconnect the heater hoses from the heater core pipes.

CAUTION:
- Cap or wrap the pipe joint with a suitable material such as vinyl tape to avoid the entry of contaminants into the system.
7.Disconnect the refrigerant lines from the expansion valve. Exploded View.

CAUTION:
- Cap or wrap the line joint with a suitable material such as vinyl tape to avoid the entry of contaminants into the system.
8.Remove the instrument panel assembly. Removal And Installation.
9.Remove the steering column assembly. Removal And Installation.
10.Disconnect the drain hose.
11.Remove the interior fuse block (J/B). Fuse Block - Junction Box (J/B).
12.Remove the LH, RH and center connector ducts. Rear Floor Ducts.
13.Remove the steering member center stay.
14.Remove the heater and cooling unit assembly attached to the steering member as one assembly from the vehicle.
15.Remove the blower unit from the heater and cooling unit and steering member assembly.
16.Remove the heater and cooling unit from the steering member.

INSTALLATION

Installation is in the reverse order of removal.
- Fill the radiator with the specified water and coolant mixture.

- Recharge the A/C system. Service and Repair.