Diesel Data: Automotive Repair

Heater Core - Installation






INSTALLATION

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 this warning could result in a coolant leak and possible serious or fatal injury.





1. Install the heater core (4) into the driver side of the air distribution housing (2) and engage the heater core tubes (6) to the foam seal at the front of the HVAC housing (9).
2. Install heater core retaining bracket (3) onto the air distribution housing and install the retaining screw (5). Tighten the screw to 2.2 Nm (20 in. lbs.).
3. Install the flange (7) and two flange retaining screws (8). Tighten the screws to 2.2 Nm (20 in. lbs.).
4. On LHD models, install the blend door actuator (1) to the driver side of the air distribution housing Blend Door Actuator - Installation.

NOTE: If the heater core is being replaced, flush the cooling system Service and Repair .

5. Install the HVAC housing assembly HVAC Housing - Installation.