2001 TOYOTA AVALON Service Repair Manual

AC2G7-01
- AIR CONDITIONINGCONDENSER
AC-55
1977 Author
: Date
:
2001 AVALON (RM808U)
INSTALLATION
Installation is in the reverse order of removal (See page AC-53).

AC2G5-01
- AIR CONDITIONINGCONDENSER
AC-51
1973 Author
: Date
:
2001 AVALON (RM808U)
CONDENSER
ON-VEHICLE INSPECTION
1. INSPECT CONDENSER FINS FOR BLOCKAGE OR DAMAGE
If the fins are clogged, wash them with water and dry with compressed air.
NOTICE:
Be careful not to damage the fins.
If the fins are bent, straighten them with a screwdriver or pliers.
2. INSPECT CONDENSER AND FITTING FOR LEAKAGE
Using a gas leak detector, check for leakage.
If there is leakage, check the tightening torque at the joints.

AC2G6-01
I12299
I12300
- AIR CONDITIONINGCONDENSER
AC-53
1975 Author
: Date
:
2001 AVALON (RM808U)
REMOVAL
1. DISCHARGE REFRIGERANT FROM REFRIGERATION
SYSTEM
HINT:
At the time of installation, please refer to the following item.
Evacuate air from refrigeration system.
Charge system with refrigerant and inspect for leakage of refrig-
erant.
Specified amount: 600 ± 50 g (21.16 ± 1.76 oz.)
2. REMOVE RADIATOR AND CONDENSER FANS
(See page AC-46)
3. REMOVE 2 RADIATOR UPPER SUPPORTS
4. DISCONNECT DISCHARGE HOSE AND LIQUID TUBE
Remove the 2 bolts and disconnect the hose and tube.
Torque: 10 N´m (100 kgf´cm, 7 ft´lbf)
NOTICE:
Cap the open fittings immediately to keep moisture or dirt
out of the system.
HINT:
At the time of installation, please refer to the following item.
Lubricate 2 new O-rings with compressor oil and install them
to the hose.
5. REMOVE CONDENSER
(a) Remove the 2 condenser set bolts.
(b) Push the radiator toward the engine.
(c) Push the condenser toward the radiator and pull it up-
ward.
HINT:
At the time of installation, please refer to the following item.
If condenser is replaced, add compressor oil to the condenser.
Add 40 cc (1.4 fl.oz.)
Compressor oil: ND-OIL 8 or equivalent

AC28K-02
I10090
10 mm (0.39 in.)
Hexagon
Wrench
Modulator
I10092
I10093
2 Layered
Part
I10091
Protrusion
I10094
AC-54
- AIR CONDITIONINGCONDENSER
1976 Author
: Date
:
2001 AVALON (RM808U)
REPLACEMENT
REPLACE DRIER FROM MODULATOR
(a) Using a hexagon wrench (10 mm, 0.39 in.), remove the
cap from the modulator.
(b) Remove the filter from the modulator.
(c) Using pliers, remove the drier.
(d) Insert a new drier into the modulator.
NOTICE:

Do not remove the drier from a vinyl bag until insert-
ing it into the modulator.

Install the drier with its 2 layered part faced upward to
the modulator.
(e) Insert the filter into the modulator.
NOTICE:
Install the filter with its protrusion faced downward to the
modulator.
(f) Install the cap to the modulator.
(1) Apply compressor oil to the O-rings and screw part
of the cap.
Compressor oil: ND-OIL 8 or equivalent
(2) Using a hexagon wrench (10 mm, 0.39 in.), install
the caps.
Torque: 12.3 N´m (125 kgf´cm, 9 ft´lbf)

AC105-03
I12957I12958
I12968
Non reusable part
N´m (kgf´cm, in.´lbf)
: Specified toque
Condenser Fan Connector
Condenser Fan
FanFan Shroud
Fan Motor
Upper Hose AC-72
- AIR CONDITIONINGCONDENSER FAN
1994 Author
: Date
:
2001 AVALON (RM808U)
COMPONENTS

AC104-03
I12942
1 2
- AIR CONDITIONINGCONDENSER FAN
AC-71
1993 Author
: Date
:
2001 AVALON (RM808U)
CONDENSER FAN
ON-VEHICLE INSPECTION
1. INSPECT CONDENSER FAN OPERATION
Inspect the fan operation at these conditions, as shown in the
chart.
Test conditions:

Start engine

Blower speed control switch position ºHIº

Temperature control dial at ºCOOLº position

Set on manifold gauge set

A/C switch ON
ConditionFan operation (Fan speed)
Engine coolant temperature
88 °C (190 °F) or belowRotate (Low speed)
Engine coolant temperature
98 °C (208 °F) or aboveRotate (High speed)
Refrigerant pressure is less than
1,520 kPa (15.5 kgf/cm2, 220 psi)Rotate (Low speed)
Refrigerant pressure is 1,520 kPa
(15.5 kgf/cm2, 220 psi) or aboveRotate (High speed)
If operation is not as specified, proceed to the next inspection.
2. INSPECT CONDENSER FAN MOTOR OPERATION
(a) Disconnect the fan connector.
(b) Connect battery and ammeter.
(c) Check that the fan rotates smoothly, and then check the
reading on the ammeter.
Specified amperage: 9.2 - 11.0 A at 20 °C (68 °F)
If operation is not as specified, replace the fan motor.
If operation is as specified, check the pressure switch, cooling
fan relays and water temp. switch.

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)

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.