INSTALLATION
(1) Install new probe into the evaporator. The
new probe must not go into the same hole (in
the evaporator core) that the old probe was
removed. The evaporator is manufactured with
three holes for probe insertion. Insert the probe in
the uppermost hole.
(2) Install evaporator probe access panel.
(3) Connect probe wiring harness.
(4) Reconnect battery.
EXPANSION VALVE
WARNING: AVOID BREATHING A/C REFRIGERANT
AND LUBRICANT VAPOR OR MIST. EXPOSURE MAY
IRRITATE EYES, NOSE AND THROAT. USE ONLY
APPROVED SERVICE EQUIPMENT MEETING SAE
REQUIREMENTS TO DISCHARGE R-134a SYSTEM.
IF ACCIDENTAL SYSTEM DISCHARGE OCCURS,
VENTILATE WORK AREA BEFORE RESUMING SER-
VICE.
R-134a SERVICE EQUIPMENT OR VEHICLE A/C
SYSTEM SHOULD NOT BE PRESSURE TESTED OR
LEAK TESTED WITH COMPRESSED AIR. SOME
MIXTURES OF AIR/R-134a HAVE BEEN SHOWN TO
BE COMBUSTIBLE AT ELEVATED PRESSURES.
THESE MIXTURES ARE POTENTIALLY DANGER-
OUS AND MAY RESULT IN FIRE OR EXPLOSION
CAUSING INJURY OR PROPERTY DAMAGE.
REMOVAL
(1) Remove refrigerant from the A/C system using
a refrigerant recovery machine.
(2) Disconnect clips from expansion valve lines
(Fig. 44) and (Fig. 45).
(3) Use special tool kit 7193 to disconnect quick
connectors on expansion valve (Fig. 46) and (Fig. 47).
(4) Remove lines at expansion valve (Fig. 48).
(5) Remove two retaining bolts from expansion
valve (Fig. 49).
(6) Remove expansion valve (Fig. 50).
(7) Remove expansion valve gasket.
Fig. 43 Remove Probe
Fig. 44 Liquid Line Clip
Fig. 45 Suction Line Clip
Fig. 46 Special Tool 7240 For Liquid Line
JA HEATING AND AIR CONDITIONING 24 - 21
REMOVAL AND INSTALLATION (Continued)
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