Front
CORE-HEATERNOTE: LHD model shown in illustrations. RHD model similar.
REMOVAL
WARNING:
- REFER TO THE APPLICABLE WARNINGS AND CAUTIONS FOR THIS SYSTEM BEFORE PERFORMING THE FOLLOWING OPERATION. FAILURE TO FOLLOW THE WARNINGS AND CAUTIONS COULD RESULT IN POSSIBLE PERSONAL INJURY OR DEATH.
- ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATE THE NEGATIVE BATTERY (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THE AIRBAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY OR DEATH.
NOTE: Take the proper precautions to protect the front face of the instrument panel from cosmetic damage while performing this procedure.
1. Drain the engine cooling system.
2. Disconnect and isolate the negative battery cable.
3. If required, disconnect the heater hoses from the heater core tubes in the engine compartment.
4. Remove the instrument panel.
5. Remove the five screws (1) that secure the heater core and tube cover (2) to the HVAC housing (3).
6. Remove the heater core and tube cover from the HVAC housing.
7. If equipped with dual zone heating-A/C, remove the blend door actuator (1) from the passenger side of the HVAC air distribution housing (2).
8. Remove the screw (3) that secure the heater core tubes (4) and retaining bracket (5) to the HVAC housing (6).
NOTE: Take proper precautions to protect the carpeting from engine coolant. Have absorbent toweling readily available to clean up any spills.
9. Remove the bolt (7) that secures the heater tubes to the heater core (8).
10. Disconnect the heater core tubes from the heater core and remove and discard the O-ring seals.
11. Install plugs in, or tape over the opened heater core ports.
12. Carefully pull the heater core out of the HVAC air distribution housing.
13. If required, remove the heater core tubes from the vehicle.
INSTALLATION
1. Carefully install the heater core (8) into the passenger side of the HVAC air distribution housing (2).
2. Remove the tape or plugs from the heater core ports.
3. If removed, position the heater core tubes (4) into the vehicle.
4. Lubricate new rubber O-ring seals with clean engine coolant and install them onto the heater core tubes. Use only the specified O-ring as they are made of a special material for the engine cooling system.
5. Connect the heater core tubes to the heater core.
6. Install the bolt (7) that secures the heater core tubes to the heater core. Tighten the bolt securely.
7. Install the screw (3) that secures the heater core tube retaining bracket (5) to the HVAC housing (6). Tighten the screw to 2.2 N.m (20 in. lbs.).
8. If equipped with dual zone heating-A/C, install the blend door actuator (1) onto the passenger side of the HVAC air distribution housing.
9. Install the heater core and tube cover (2) onto the HVAC housing (3).
10. Install the five screws (1) that secure the heater core and tube cover to the HVAC housing. Tighten the screws to 2.2 N.m (20 in. lbs.).
11. Install the instrument panel.
12. If disconnected, connect the heater hoses to the heater core tubes in the engine compartment.
13. Connect the negative battery cable.
14. If the heater core is being replaced, flush the cooling system.
15. Refill the engine cooling system.