Heater Core: Service and Repair
Heater Core Replacement
Removal Procedure
1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) (Cooling System Draining and Filling (Static Fill))Cooling System Draining and Filling (GE-47716 Fill) (Cooling System Draining and Filling (GE-47716 Fill)).
2. Remove Instrument panel lower trim panel - left side. Refer to Instrument Panel Lower Trim Panel Replacement - Left Side (Instrument Panel Lower Trim Panel Replacement - Left Side).
3. Remove instrument outer trim cover - left side. Refer to Instrument Panel Outer Trim Cover Replacement - Left Side (Instrument Panel Outer Trim Cover Replacement - Left Side).
4. Remove instrument panel lower trim pad cover. Refer to Instrument Panel Lower Trim Pad Cover Replacement (Instrument Panel Lower Trim Pad Cover Replacement).
5. Remove instrument panel bolt (1).
6. Remove heater core cover bolt (1) and heater core cover (2).
7. Remove the 2 heater core clamps (2).
8. Remove the 2 heater core tubes (3).
9. Remove the heater core (1).
10. Change the 2 heater core tube sealing rings.
Installation Procedure
1. Install the heater core (1).
2. Install the 2 heater core tubes (3).
3. Tighten the 2 heater core clamps (2).
4. Install heater core cover bolt (1) and heater core cover (2).
5. Install instrument panel bolt (1).
6. Install instrument panel lower trim pad cover - left side. Refer to Instrument Panel Lower Trim Pad Cover Replacement (Instrument Panel Lower Trim Pad Cover Replacement).
7. Install instrument outer trim cover - left side. Refer to Instrument Panel Outer Trim Cover Replacement - Left Side (Instrument Panel Outer Trim Cover Replacement - Left Side).
8. Install instrument panel lower inner panel. Refer to Instrument Panel Lower Trim Panel Replacement - Left Side (Instrument Panel Lower Trim Panel Replacement - Left Side).
9. Bleed the cooling system. Refer to Cooling System Draining and Filling (Static Fill) (Cooling System Draining and Filling (Static Fill))Cooling System Draining and Filling (GE-47716 Fill) (Cooling System Draining and Filling (GE-47716 Fill)).