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HEATER AND AIR CONDITIONING 1A-51
RETAINER
WASHER
GLASS
•O" RING
Fig. 65-Sight Glass Replacement
Removal
1. Purge the system.
2. Disconnect the refrigerant lines at the right rear of
the unit.
3. Remove the unit from the dash. Disconnect all elec-
trical connectors.
4. Remove the front cover, withdraw the thermostatic
switch capillary, and separate to the case halves.
5. Remove the clamps from the evaporator inlet and
qutlet pipes.
6. Remove the screws which attach the evaporator to
the case and remove evaporator.
'
7. Ljoosen the clamp which mounts the capillary bulb
to the evaporator. Disconnect the inlet and outlet
pipes from the expansion valve and remove the
expansion valve.
Fig. 66—Evaporator Mounting (Chevrolet and Camaro)
Fig. 67—Evaporator Mounting (Chevelle)
CHEVROLET CHASSIS SERVICE MANUAL
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