Sprinter 2500 V6-3.0L DSL Turbo VIN 45 (2007)
Heater Core: Service and Repair
Front Heater Core - Installation
INSTALLATION
1. Carefully position the blower motor portion of the HVAC housing (2) slightly forward for clearance and install the heater core (1) into the side of
the HVAC housing (3).
2. Install the bracket (2) to the HVAC housing (3).
3. Install the nut (1) that secures the bracket to the HVAC housing. Tighten the nut securely.
4. Lubricate new rubber O-ring seals with clean engine coolant and install them onto the heater core fittings. Use only the specified O-rings as they
are made of a special material compatible to engine coolant. Use only engine coolant of the type recommended for the engine in the vehicle.
5. Install the heater core tubes (2) onto the heater core (3).
6. Install the two metal retaining clamps (1) that secure the heater core tubes to the heater core.
7. Install the blower motor power module or blower motor resistor (depending on application).
8. Install the HVAC housing and instrument panel as an assembly.
9. If the heater core is being replaced, flush the cooling system.
10. Refill the engine cooling system.
11. Evacuate the refrigerant system.
12. Charge the refrigerant system.
