Page 46 of 1897
AC1N0-02
I12928
N´m (kgf´cm, ft´lbf): Specified torque
Non reusable part
Drive Belt
18 (185, 13)
Generator
10 (100, 7)
Discharge Hose
Compressor25 (250, 18)
10 (100, 7)
25 (250, 18)
25 (250, 18)
25 (250, 18)
Compressor
Stator
Snap Ring Rotor
Shim Pressure Plate
13.2 (135, 9)
Suction Hose
56 (570, 41)
Drive Belt Adjusting
Bar Bracket
- AIR CONDITIONINGCOMPRESSOR AND MAGNETIC CLUTCH
AC-43
1965 Author: Date:
2001 AVALON (RM808U)
COMPONENTS
Page 50 of 1897
AC1N4-02
N20259
(A)
(B)
AC-50
- AIR CONDITIONINGCOMPRESSOR AND MAGNETIC CLUTCH
1972 Author: Date:
2001 AVALON (RM808U)
INSTALLATION
1. INSTALL COMPRESSOR
(a) Install the compressor with 3 nuts.
Torque: 25 N´m (250 kgf´cm, 18 ft´lbf)
(b) Install the generator drive belt adjusting bar bracket with
2 bolts and a nut.
Torque:
Bolt (A): 18 N´m (185 kgf´cm, 13 ft´lbf)
Bolt (B): 25 N´m (250 kgf´cm, 18 ft´lbf)
Nut: 25 N´m (250 kgf´cm, 18 ft´lbf)
2. INSTALL GENERATOR
(a) Mount generator on the generator bracket with the pivot
bolt and adjusting lock bolt. Do not tighten the bolts yet.
(b) Connect the generator connector.
(c) Connect the generator wire with the nut.
3. CONNECT DISCHARGE AND SUCTION HOSES
Connect both hoses with the bolt and nut.
Torque: 10 N´m (100 kgf´cm, 7 ft´lbf)
NOTICE:
Hoses should be connected immediately after the caps
have been removed.
HINT:
Lubricate 2 new O-ring with compressor oil and install them to
the tube.
4. INSTALL AND CHECK DRIVE BELT
(See page AC-19, AC-17)
5. CONNECT NEGATIVE (-) TERMINAL CABLE TO BAT-
TERY
6. EVACUATE AIR FROM REFRIGERATION SYSTEM
AND CHARGE WITH REFRIGERANT
Specified amount: 600 ± 50 g (21.16 ± 1.76 oz.)
7. INSPECT FOR LEAKAGE OF REFRIGERANT
Using a gas leak detector, check for leakage of refrigerant.
If there is leakage, check the tightening torque at the joints.
8. INSPECT A/C OPERATION
Page 53 of 1897
AC1N1-02
I12935
P19978
N20259
AC-44
- AIR CONDITIONINGCOMPRESSOR AND MAGNETIC CLUTCH
1966 Author: Date:
2001 AVALON (RM808U)
REMOVAL
1. RUN ENGINE AT IDLE SPEED WITH A/C ON FOR
APPROX. 10 MINUTES
2. STOP ENGINE
3. DISCONNECT NEGATIVE (- ) TERMINAL CABLE
FROM BATTERY
4. DISCHARGE REFRIGERANT FROM REFRIGERATION
SYSTEM
5. REMOVE DRIVE BELT
(See page AC-18)
6. DISCONNECT DISCHARGE AND SUCTION HOSES
Remove the 2 nuts and disconnect the both hoses.
NOTICE:
Cap the open fittings immediately to keep moisture or dirt
out of the system.
7. REMOVE GENERATOR
(a) Disconnect the generator connector.
(b) Remove the nut, and disconnect the generator wire.
(c) Disconnect the wire harness from the clamp.
(d) Remove the pivot bolt, adjusting lock bolt and generator.
8. REMOVE COMPRESSOR
(a) Disconnect the connector.
(b) Disconnect the wire harness clamp.
(c) Remove the 2 bolts, nut and drive belt adjusting bar
bracket.
Page 63 of 1897
AC2FW-01
P00763
Pivot Bolt
Adjusting Lock Bolt
- AIR CONDITIONINGDRIVE BELT
AC-19
1941 Author: Date:
2001 AVALON (RM808U)
INSTALLATION
INSTALL DRIVE BELT
(a) Install the drive belt.
(b) Apply drive belt tension by adjusting bolt.
Drive belt tension:
New belt: 165 ± 22 lbf
Used belt: 110 ± 22 lbf
(c) Tighten the adjusting lock bolt and pivot bolt.
Torque:
Pivot bolt: 56 N´m (570 kgf´cm, 41 ft´lbf)
Adjusting lock bolt: 18 N´m (185 kgf´cm, 13 ft´lbf)
Page 64 of 1897
CH0086
Wrong Correct
AC0YF-03
I14032
Generator
Crankshaft PulleyCompressor
N01881
DENSOBorroughs
- AIR CONDITIONINGDRIVE BELT
AC-17
1939 Author: Date:
2001 AVALON (RM808U)
DRIVE BELT
ON-VEHICLE INSPECTION
1. INSPECT DRIVE BELT'S INSTALLATION CONDITION
Check that the drive belt fits properly in the ribbed grooves.
2. INSPECT DRIVE BELT TENSION
Using a belt tension gauge, check the drive belt tension.
Drive belt tension:
New belt: 165 ± 22 lbf
Used belt: 88 ± 22 lbf
HINT:
ºNew beltº refers to a belt which has been used less than
5 minutes on the running engine.
ºUsed beltº refer to a belt which has been on a running en-
gine for 5 minutes or more.
After installing the drive belt, check that it fits properly in
the ribbed grooves.
Page 65 of 1897
AC0YG-03
P00763
Pivot Bolt
Adjusting Lock Bolt
AC-18
- AIR CONDITIONINGDRIVE BELT
1940 Author: Date:
2001 AVALON (RM808U)
REMOVAL
REMOVE DRIVE BELT
(a) Loosen the pivot bolt and adjusting lock nut.
(b) Loosen the drive belt tension by adjusting bolt and re-
move the drive belt.
Page 91 of 1897
AC2FV-01
- AIR CONDITIONINGTROUBLESHOOTING (Manual A/C)
AC-15
1937 Author: Date:
2001 AVALON (RM808U)
TROUBLESHOOTING (Manual A/C)
PROBLEM SYMPTOMS TABLE
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem. Check each part in order If necessary , replace these parts.
SymptomSuspect AreaSee page
No blower operation
2. HTR Fuse
3. Heater main relay
4. Blower motor
5. Blower resistor
6. Blower speed control switch
7. Wire harness-
AC-68
AC-56
AC-57
AC-83
-
No blower control
1. Blower motor
2. Blower resistor
3. Blower speed control switch
4. Wire harnessAC-56
AC-57
AC-83
-
No air temperature control1. Engine coolant volume
2. Heater control assembly-
AC-80
No compressor operation
1. Refrigerant volume
2. A.C Fuse
3. Magnetic clutch
4. Compressor lock sensor
5. Compressor
6. Pressure switch
7. Heater main relay
8. Blower speed control switch
9. A/C switch
10.A/C amplifier
11. Evaporator temp. sensor
12.Wire harnessAC-3
-
AC-42
AC-42
AC-42
AC-65
AC-68
AC-83
AC-83
AC-77
AC-64
-
No cool air comes out
1. Refrigerant volume
2. Refrigerant pressure
3. Drive belt
4. Magnetic clutch
5. Compressor lock sensor
6. Pressure switch
7. Evaporator temp. sensor
8. A/C switch
9. A/C amplifier
10.Heater control assembly
11. Wire harnessAC-3
AC-3
AC-17
AC-42
AC-42
AC-65
AC-64
AC-83
AC-77
AC-80
-
No engine idle-up when A/C switch ON
1. A/C amplifier
2. Idle control system
3. Wire harnessAC-77
DI-102
-
No air inlet control
1. Air inlet servomotor
2. Heater control assembly
3. Wire harnessAC-39
AC-80
-
No mode control
1. Air outlet servomotor
2. Heater control assembly
3. Wire harnessAC-60
AC-80
-
Page 92 of 1897
AC-16
- AIR CONDITIONINGTROUBLESHOOTING (Manual A/C)
1938 Author: Date:
2001 AVALON (RM808U) Blinking of A/C indicator
1. Compressor
2. Drive belt
3. Compressor lock sensor
4. A/C amplifierAC-42
AC-17
AC-42
AC-77
Brightness does not change when light control switch is turned1. Headlight and taillight system
2. Heater control assemblyBE-19
AC-80
