With Automatic Temperature Control

REMOVAL

Plenum And Air Inlet Duct Removal:

1. Remove the heater core plenum assembly. For removal procedure see Heater Core Case Removal And Installation. Service and Repair

Servo Motor Assembly:

2. Remove the ATC servo from the plenum.

Fig. 5 Typical heater core removal. 1982---88:

3. Remove the four retaining screws from the heater core cover and remove the cover from the plenum assembly.
4. Pull the heater core and seal assembly from the plenum assembly.