K 1500 Truck 4WD V8-6.0L VIN U (2001)
Evaporator Core: Service and Repair
REMOVAL PROCEDURE
1. Drain the engine coolant. Refer to Draining and Filling Cooling System in Cooling System.
2. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging.
3. Remove the heater/vent module. See: Housing Assembly HVAC/Service and Repair
4. Remove the heater/vent module screws.
5. Separate the heater/vent module.
6. Remove the evaporator core from the heater/vent module.
INSTALLATION PROCEDURE
1. Install the evaporator core to the heater/vent module.
2. Assemble the heater/vent module halves.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the heater/vent module screws.
Tighten
Tighten the screws to 1.6 Nm (14 lb in).
4. Install the heater/vent module.
5. Refill the engine coolant. Refer to Draining and Filling Cooling System.
6. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.