Evaporator Inspection; Assembly Of Cooling Unit; Installation Of Cooling Unit - Toyota HILUX 1993 Repair Manual

AIR CONDITIONING SYSTEM
Evaporator
INSPECTION OF EVAPORATOR
1. CHECK EVAPORATOR FINS FOR BLOCKAGE
If the fins are clogged, clean them with compressed air.
NOTICE: Never use water to clean the evaporator.
2. CHECK FITTINGS FOR CRACKS OR SCRATCHES
Repair as necessary.

ASSEMBLY OF COOLING UNIT

INSTALL COMPONENTS ON EVAPORATOR
(a) Connect the expansion valve to the inlet fitting of
Torque: 23 N"m (235 kgf"cm, 17 ft"lbf)
HINT: Be sure that the 0–rings are positioned on the
tube fitting.
(b) Install the holder to the suction tube with heat sen–
(c) Connect the liquid tube to the inlet fitting of the ex–
Torque: 13 N"m (135 kgf"cm, 10 ft"Ibf )
(d) Install lower unit case to the evaporator.
(e) Install thermistor to the evaporator.
(f) Install upper unit case
(g) Install four screws.
(h) Install four clips.
(i) Install A/C cut off relay.
(j) Connect connectors.

INSTALLATION OF COOLING UNIT

1. INSTALL COOLING UNIT
Install the cooling unit with four screws and a bolt.
2. CONNECT CONNECTOR
3. INSTALL GLOVE BOX AND REINFORCEMENT
– Cooling Unit
(c) Remove expansion valve.
the evaporator. Torque the nut.
sitizing tube.
pansion valve. Torque the nut.
AC–27