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Evaporator Thermistor
The evaporator thermistor is inserted into a holder
in the top of the evaporator. The evaporator
cover must be removed to access the evaporator
thermistor. (See
Freezer Evaporator Cover
.)
Thermistor
Silicone Grease
Note:
When replacing the evaporator thermistor,
splice a new thermistor into the harness using
connectors and procedures approved for damp/wet
conditions.
9. Lift the evaporator from the 4 brackets on the
re
fl
ective heat shield.
10. Carefully pull the defrost heater off the front and
back of the evaporator.
7. Remove the Styrofoam air blocks (1 each side)
from the evaporator.
8. Remove the 3 aluminum ties from the bottom of
the heater.
Air Block (1 of 2)
Freezer Fan Motor
WARNING:
Sharp edges may be exposed when
servicing. Use caution to avoid injury. Wear Kevlar
gloves or equivalent protection.
The freezer fan motor is a variable speed, PWM,
12-VDC motor with rpm feedback to the main
board. The fan motor is attached to the back of the
evaporator cover and comes as part of the cover
assembly.
To access the fan motor, it is necessary to remove
the evaporator cover. (See
Freezer Evaporator Cover
.)
Freezer Fan
Rear View of Evaporator Cover
Note:
The freezer fan motor will run on a 9-volt
battery for testing purposes. Use jumper wires to
connect the red fan wire to the positive battery
terminal and the blue fan wire to the negative
battery terminal.