Evaporator Core: Service and Repair

Heater Module View:

SPECIAL TOOL REQUIRED (or equivalent)
- J-38100-D, A/C refrigerant recovery and recycling station.

REMOVE OR DISCONNECT
1. Negative battery cable.
2. Recover refrigerant and drain cooling system.
3. Raise and support vehicle.
4. Heater hoses from heater core.
5. Evaporator fittings from evaporator and discard "O" ring seals.
6. Moisture drain tube from heater-A/C module.
7. lower vehicle.
8. Instrument panel.
9. Diagnostic Energy Reserve Module (DERM) with attaching brackets.
10. Heater core cover and mounting clamps.
11. Heater core.
12. Evaporator cover and evaporator core.

INSTALL OR CONNECT
1. Evaporator and evaporator cover. Add 90 ml (3 oz.) of 525 viscosity refrigerant oil to the system if installing a new evaporator.
2. Heater core and heater core mounting clamps.
3. Heater core cover.
4. DERM with attaching brackets.
5. Instrument panel.
6. Raise and support vehicle. Connect moisture drain tube to heater-A/C module.
7. Evaporator fittings to evaporator using new "O" ring seals lubricated in clean 525 viscosity refrigerant oil.
8. Heater hoses to heater core.
9. Lower vehicle.
10. Fill cooling system and check for leaks.
11. Evacuate and charge A/C system.
12. Negative battery cable.
13. Leak test evaporator block fitting and performance test A/C system.