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Heater Core

Engine, Cooling and Exhaust › Cooling System
Unified entry — merged from multiple cross-listed pages in the original manual.

Parts

PartHeater Core
ManufacturerCHY
OEM part #68004026AA
Price$116.00

Labor

Replace4.0 hr
Warranty 0.0 hrSkill B
Procedures
Heater Core - Installation8 steps
⚠ WARNING
The heater core tubes are not serviced separately from the heater core. The heater core tubes should not be repositioned, loosened or removed from the heater core. Failure to follow these instructions may result in a coolant leak and possible serious or fatal injury.
ℹ NOTE
LHD model shown in illustrations. RHD model similar.
ℹ NOTE
If the foam insulator around the heater core is deformed or damaged, the insulator must be replaced.
ℹ NOTE
If the foam seal for the heater core tube flange is deformed or damaged, it must be replaced.
ℹ NOTE
If the heater core is being replaced, flush the cooling system
Fig. 1
Fig. 1
Fig. 2
Fig. 2
  1. Carefully install the heater core (2) into the passenger side of the air distribution housing (3) and engage the four plastic retainer tabs (1) that secure the heater core to the housing. Make sure the retaining tabs are fully engaged.
  2. Position the heater core tube flange (4) over the heater core tubes (6) and onto the to the passenger side of the air distribution housing (8).
  3. Engage the plastic retainer (5) around the heater core tubes. Make sure the retainer is fully engaged around the tubes.
  4. Install the screw (2) that secure the heater core tube flange to the air distribution housing. Tighten the screws to 1.2 Nm (10 in lbs.).
  5. Install the upper front passenger side floor duct (7) onto the air distribution housing and install the two retaining screws (1). Tighten the screws to 1.2 Nm (10 in lbs.).
  6. Install the foam seal (3) onto the heater core tube flange.
  7. Install the air distribution housing onto the HVAC housing HVAC Housing - Installation. Service and Repair .
  8. Install the HVAC housing assemblyHVAC Housing - Installation.
Heater Core - Removal7 steps
⚠ WARNING
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 and 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 follow these instructions may result in accidental airbag deployment and possible serious or fatal injury.
⚠ WARNING
Refer to the applicable warnings and cautions for this system before performing the following operation
⚠ WARNING
The heater core tubes are not serviced separately from the heater core. The heater core tubes should not be repositioned, loosened or removed from the heater core. Failure to follow these instructions may result in a coolant leak and possible serious or fatal injury.
ℹ NOTE
LHD model shown in illustrations. RHD model similar.
ℹ NOTE
If the foam seal for the heater core tube flange is deformed or damaged, it must be replaced.
ℹ NOTE
If the foam insulator around the heater core is deformed or damaged, the insulator must be replaced.
Fig. 1
Fig. 1
Fig. 2
Fig. 2
  1. Remove the HVAC housing assembly and place it on a workbenchHVAC Housing - Removal.
  2. Remove the air distribution housing from the HVAC housing HVAC Housing - Removal.
  3. Remove the two screws (1) that secure the upper front passenger side floor duct (7) to the passenger side of the air distribution housing (8) and remove the duct.
  4. Carefully remove the foam seal (4) from the heater core tube flange (5). If the seal is deformed or damaged, it must be replaced.
  5. Remove the screw (2) that secures the heater core tube flange to the air distribution housing.
  6. Disengage the plastic retainer (5) from around the heater core tubes (6) and remove the flange.
  7. Disengage the four plastic retaining tabs (1) that secure the heater core (2) to the passenger side of the air distribution housing (3) and carefully remove the heater core from the housing.
Heater Core - Descriptionreference
Fig. 1
Fig. 1
DESCRIPTION The heater core (1) is mounted into the HVAC air distribution housing, located behind the instrument panel. The heater core is a heat exchanger made of rows of tubes and fins. The heater core is secured to the air distribution housing by four plastic retaining tabs. The heater core tubes (3) are attached to the heater core by use of metal retaining clamps (2) and rubber O-ring seals. The heater core tubes are not serviced separately from the heater core. The air distribution housing must be removed from the vehicle to service the heater core.