Heater Core: Service and Repair

HEATER UNIT, HEATER CORE, BLOWER ASSEMBLY AND EVAPORATOR UNIT

Heater Unit, Heater Core, Blower Assembly And Evaporator Unit Part 1:

Heater Unit, Heater Core, Blower Assembly And Evaporator Unit Part 2:

REMOVAL SERVICE POINT

<> A/C PIPE REMOVAL

CAUTION: Seal the pipes completely, otherwise the compressor oil and receiver will absorb water vapor easily, possibly damaging the compressor and deteriorating performance.
Plug the disconnected pipe and the evaporator nipple to prevent foreign material from getting into them.

INSTALLATION SERVICE POINT

>>A<< HEATER CORE INSTALLATION
After replacing the heater core, check that the water shut valve is at "OPEN" position when refilling engine coolant.

>>B<< EVAPORATOR INSTALLATION
When replacing the evaporator, refill with a specified amount of compressor oil and install it.

Compressor oil: SUN PAG 56
Quantity: 60 cu.cm (2.0 floz)