Evaporator Core: Service and Repair

Heater And A/C Module (Part 1 0f 2):

HVAC Module Cut Away View:

Tool Required:
J 39500 R-134a Refrigerant Recovery, Recycling, and Recharging (ACR4) System

Remove or Disconnect

1. Negative battery cable.
2. Recover refrigerant. Refer to Recovery.
3. Drain cooling system.
5. Evaporator block fitting from the evaporator and discard sealing washers.
6. Evaporator seal plate from front of dash.
7. Moisture drain tube from module.
8. instrument Panel and Console.
9. Heater outlet.
10. 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.
^ There is a mounting screw located at the middle of the front of dash.
13. Evaporator core.

Install or Connect

^ Refer to Refrigerant Oil Distribution if installing a new evaporator.
1. Evaporator core.

Tighten

^ Screws to 10 N.m (89 lb in).

2. Heater core shroud.

Tighten

^ Screws to 1 N.m (9 lb in).

3. Heater core mounting clamps and heater core.

Tighten

^ Screws to 1 N.m (9 lb in).

4. Heater core cover.

Tighten

^ Screws to 1 N.m (9 lb in).

5. Heater outlet.

Tighten

^ Screws to 1 N.m (9 lb in).

6. Instrument Panel and Console.
7. Moisture drain tube.
8. Evaporator seal plate.

Tighten

^ Nuts to 3 N.m (27 lb in).

9. Evaporator block fitting to the evaporator using new sealing washers.

Tighten

^ Nut to 25 N.m (18 lb ft).

10. Heater hoses to heater core.
11. Refill cooling system.
12. Evacuate and recharge A/C system. Refer to Evacuation.
13. Negative battery cable.

Tighten

^ Bolt to 16 N.m (12 lb ft).