Evaporator Core: Service and Repair

HVAC Module - Disassembled View (1 Of 2):

(2 Of 2):

Tool Required:
J 39500 R-l34a Refrigerant Recovery, Recycling, and Recharging Station

Remove or Disconnect

1. Negative battery cable.
2. Recover refrigerant.
3. Drain cooling system.
4. Raise vehicle.
5. Heater hoses from heater core.
6. Evaporator fittings from the evaporator and discard O-ring seals.
7. Moisture drain tube from HVAC module.
8. Lower vehicle.
9. Instrument panel and console.
10. Heater outlet cover and heater core cover.
^ There is a mounting screw located in a recess in the center of the cover.
11. Heater core mounting clamps and heater core.
12. Heater core shroud and evaporator core.
^ There is a mounting screw located at the middle of the front of dash.

Install or Connect

1. Evaporator.

Tighten
^ Screws to 1 Nm (9 lb in).

2. Heater core should heater core and heater core mounting clamp.

Tighten
^ Screw to 1 Nm (9 lb in).

3. Heater core cover and heater outlet cover.

Tighten
^ Screws to 1 Nm (9 lb in).

4. Instrument panel and console.
5. Raise vehicle.
6. Moisture drain tube to the HVAC module.
7. Evaporator fittings to evaporator using new O-ring seals lubricated in clean 525 viscosity refrigerant oil.

Tighten
^ Fittings to 24 Nm (18 lb ft).

8. Heater hoses to heater core.
9. Lower vehicle.
10. Fill cooling system and check for leaks.
11. Evacuate and charge the A/C system.
12. Negative battery cable.

Tighten
^ Bolt to 16 Nm (12 lb ft).