Refrigerant Lines On-Vehicle Inspection; Replacement Of Refrigerant Lines - Toyota HILUX 1993 Repair Manual

AC–28
AIR CONDITIONING SYSTEM
4. INSTALL GROMMETS ON INLET AND OUTLET FITTINGS
5. CONNECT LIQUID TUBE TO COOLING UNIT INLET
FITTING
Torque: 13 N"m (135 kgf"cm, 10 ft"lbf)
6. CONNECT SUCTION TUBE TO COOLING UNIT OUTLET
FITTING
Torque: 32 N"m (325 kgf"cm, 24 ft"lbf)
7. IF EVAPORATOR WAS REPLACED, ADD COMPRESSOR
OIL TO COMPRESSOR
Add 40 – 50 cc (1.4 – 1.7 fl.oz.)
Compressor oil: ND OIL6,
8. CONNECT NEGATIVE CABLE TO BATTERY
9. EVACUATE AIR FROM AIR CONDITIONING SYSTEM
10. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGER–
ANT AND CHECK FOR GAS LEAKAGE
Specified amount: 700 – 800 g (1.5 – 1.8 Ib)
REFRIGERANT LINES
ON–VEHICLE INSPECTION
1. INSPECT HOSES AND TUBES FOR LEAKAGE
Use a gas leak tester. Replace, if necessary.
2. CHECK THAT HOSE AND TUBE CLAMPS ARE NOT
LOOSE
Tighten or replace, as necessary.

REPLACEMENT OF REFRIGERANT LINES

(SEE PAGE AC–7)
1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM
2. REPLACE FAULTY TUBE OR HOSE
HINT: Cap the open fittings immediately to keep mois
ture out of the system.
3. TIGHTENING TORQUE FOR O–RING FITTINGS AND
BOLTED TYPE FITTINGS (See page AC–7)
4. EVACUATE AIR FROM AIR CONDITIONING SYSTEM
5. CHARGE AIR CONDITIONING SYSTEM WITH
REFRIGERANT AND CHECK FOR GAS LEAKAGE
Specified amount: 700 – 800 g (1.5 – 1.8 Ib)
– Cooling Unit, Refrigerant Lines
SUNISO No.5GS or equivalent