HVAC System - Manual

HEATER CORE REPLACEMENT FOR MANUAL A/C (C61 & C67)

Heater Hoses:

Tool Required:
J 37097 Hose Clamp Pliers


Remove or Disconnect

1. Drain cooling system.

2. Heater hoses from heater core, using J 37097.

3. Air mix valve actuator, Service and Repair

4. Retaining screws and heater core cover.

5. Retaining screws and heater core from vehicle.

Install or Connect

1. Heater core into vehicle and attaching screws.

2. Tighten screws to 1.4 Nm (12 lb.in.).

3. Heater core cover and attaching screws.

4. Tighten screws to 1.4 Nm (12 lb.in.).

5. Air mix valve actuator, Service and Repair

6. Tighten screws to 1.4 Nm (12 lb.in.).

7. Heater hoses to heater core using J 37097.

8. Fill cooling system.