L-Series Sedan (3 Door) 4WD F4-1781cc 1.8L SOHC Turbo (MPFI) (1988)
Evaporator Case: Service and Repair
Disassembly and Assembly
Evaporator
DISASSEMBLY AND ASSEMBLY
1) Using a flat-bladed screwdriver, remove the eight clamps and the evaporator upper case.
2) Remove lower case from evaporator.
3) Remove the component parts from evaporator.
(1) Thermostat
(2) Disconnect the connection between the expansion valve and pipe from receiver drier.
(3) Remove the expansion valve from the header pipe.
4) Check to see if the evaporator fins are clogged. If they are, clean them with compressed air.
Water must never be used to clean the evaporator.
5) Check parts that have been removed for cracks or scratches, and repair or replace them with new ones, if necessary.
6) Reassemble the evaporator in the reverse order of disassembly. Observe the following points during the reassembly process:
(1) Confirm that the 0-ring is inserted in the specified position.
(2) Tightening torque
Tightening torque:
Expansion valve's mounting nut
2.5 - 4.4 N-m (0.25 - 0.45 kg-m, 1.8 - 3.3 ft-lb)
Discharger pipe union nut
10 - 20 N-m (1.0 - 2.0 kg-m, 7 - 14 ft-lb)
Nut on discharge side
10 - 20 N-m (1.0 - 2.0 kg-m, 7 - 14 ft-lb)
Nut on suction side
20 - 29 N-m (2.0 - 3.0 kg-m, 14 - 22 ft-lb)