2002 TOYOTA AVENSIS engine coolant

160MG±01
±
COOLING RADIATOR ASSY(1CD±FTV)
16±51
AVENSIS REPAIR MANUAL (RM1018E)
RADIATOR ASSY(1CD±FTV)
REPLACEMENT
1.DRAIN ENGINE COOLANT(See page 16±44)
2.REMOVE RADIATOR SUPPORT OPENING COVER
3.REMOVE ENGINE ROOM COVER SIDE
4.REMOVE RADIATOR RESERVE TANK ASSY(See page 16±50)
5.DISCONNECT RADIATOR HOSE INLET
6.DISCONNECT RADIATOR HOSE OUTLET
7.REMOVE RADIATOR ASSY
(a)Remove the 2 bolts and separate the relay box.
(b)Remove the 2 upper support and radiator assy.
8.REMOVE RADIATOR SUPPORT LOWER
9.REMOVE FAN ASSY W/MOTOR
(a)Remove the 2 bolts and the fan w/motor.
10.INSTALL FAN ASSY W/MOTOR
Torque: 7.5 N
m (76 kgf
cm, 66 in.
lbf)
11.INSTALL RADIATOR ASSY
(a)Install the 2 upper support and the radiator assembly to the vehicle. Torque: 19 N
m (194 kgf
cm, 14 ft
lbf)
(b)Install the 2 bolts and the relay box.
Torque: 5.3 N
m (54 kgf
cm, 47 in.
lbf)
12.INSTALL RADIATOR RESERVE TANK ASSY(See page 16±50)
13.ADD ENGINE COOLANT(See page 16±44)
14.CHECK FOR ENGINE COOLANT LEAKS(See page 16±44)

160MK±01
A76724
A79300Upper Hook
±
COOLING RADIATOR ASSY(1ZZ±FE/3ZZ±FE)
16±11
AVENSIS REPAIR MANUAL (RM1018E)
RADIATOR ASSY(1ZZ±FE/3ZZ±FE)
REPLACEMENT
1.REMOVE RADIATOR SUPPORT OPENING COVER (See page 14±27)
2.REMOVE ENGINE ROOM COVER SIDE (See page 14±27)
3.ENGINE UNDER COVER SUB±ASSY NO.1 (See page 14±27)
4.DRAIN ENGINE COOLANT (See page 16±1)
5. DISCONNECT RADIATOR HOSE INLET
(a) Disconnect the radiator hose inlet from the radiator.
6. DISCONNECT RADIATOR HOSE OUTLET
(a) Disconnect the radiator hose outlet from the radiator.
7. DISCONNECT OIL COOLER INLET TUBE NO.1 (A/T TRANSAXLE)
(a) Disconnect the oil cooler inlet tube from the radiator.
8. DISCONNECT OIL COOLER OUTLET TUBE NO.1 (A/T TRANSAXLE)
(a) Disconnect the oil cooler outlet tube from the radiator.
9. REMOVE RADIATOR ASSY
(a) Disconnect the fan connector and the 2 harness clamps.
(b) Remove the 2 bolts and the relay block.
(c) Remove the 2 bolts, the 2 radiator support upper and theradiator.
(d) Remove the 2 support radiator LWRs from the radiator.
(e) Pinch and push each upper hook on the fan shroud to re- lease and remove the fan shroud from the radiator.

A79301
Upper Hook
Fan
Shroud
Radiator
16±12
±
COOLING RADIATOR ASSY(1ZZ±FE/3ZZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
10.INSTALL RADIATOR ASSY
(a)Align the 2 keyways of the fan shroud with the 2 keys lo- cated on the lower bottom of the radiator and fit them.
(b)Install the fan should to the radiator with the 2 upper hooks. You can hear ºclickº sounds when the hooks are
securely fitted.
(c)Install the 2 support radiator LWRs to the radiator.
(d)Install the radiator with the 2 bolts and 2 radiator support
uppers.
Torque: 19 N
m (194 kgf
cm, 14 ft
lbf)
(e)Install the relay block with the 2 bolts.
(f)Connect the fan connector and 2 harness clamps.
11.ADD ENGINE COOLANT (See page 16±7)
12.CHECK FOR ENGINE COOLANT LEAKS (See page 16±1)

160MQ±01
A56451
A77424
10
10

±
COOLING THERMOSTAT(1AZ±FSE)
16±35
AVENSIS REPAIR MANUAL (RM1018E)
THERMOSTAT(1AZ±FSE)
REPLACEMENT
1.DRAIN COOLANT (See page 16±31)
2.REMOVE RADIATOR SUPPORT OPENING COVER
3.REMOVE ENGINE ROOM COVER SIDE
4.REMOVE ENGINE UNDER COVER RH
5.REMOVE FAN AND GENERATOR V BELT (See page 14±185)
SST09249±63010
6.REMOVE GENERATOR ASSY (See page 19±20)
7.REMOVE WATER INLET
(a)Remove 2 nuts, and disconnect the water inlet from thecylinder block.
8.REMOVE THERMOSTAT 9.INSTALL THERMOSTAT
(a)Install a new gasket to the thermostat.
(b)Install the thermostat with the jiggle valve upward.
HINT:
The jiggle valve may be set within 10
on either side of the pre-
scribed position.
10.INSTALL WATER INLET
(a)Install the water inlet with 2 nuts. Torque: 9.0 N
m (92 kgf
cm,7 in.
lbf)
11.INSTALL GENERATOR ASSY (See page 19±20)
12.INSTALL FAN AND GENERATOR V BELT (See page 14±185) SST 09249±63010
13.ADD COOLANT (See page 16±31)
14.INSPECT CHECK FOR ENGINE COOLANT LEAKS(See page 16±25)

160MF±01
A79171
A79172
10
10

16±50
±
COOLING THERMOSTAT(1CD±FTV)
AVENSIS REPAIR MANUAL (RM1018E)
THERMOSTAT(1CD±FTV)
REPLACEMENT
1.REMOVE RADIATOR SUPPORT OPENING COVER
2.REMOVE ENGINE ROOM COVER SIDE
3.DRAIN ENGINE COOLANT(See page 16±44)
4.REMOVE RADIATOR RESERVE TANK ASSY
(a)Disconnect the water by±pass hose No. 1 and water by±pass hose No.\
2.
(b)Remove the 2 bolts and the reserve tank assembly.
5.REMOVE RADIATOR HOSE OUTLET 6.REMOVE WATER INLET
(a)Remove the 2 bolts and the water inlet.
7.REMOVE THERMOSTAT 8.INSTALL THERMOSTAT
(a)Install a new gasket to the thermostat.
(b)Install the thermostat with the jiggle valve facing upward.
HINT:
The jiggle valve may be set within 10
on either side as shown
in the illustration.
9.INSTALL WATER INLET Torque: 8.8 N
m (90 kgf
cm,78 in.
lbf)
10.INSTALL RADIATOR RESERVE TANK ASSY
Torque: 6.0 N
m (61 kgf
cm,53 in.
lbf)
11.ADD ENGINE COOLANT(See page 16±44)
12.CHECK FOR ENGINE COOLANT LEAKS(See page 16±44)

160MJ±01
A62118
10
10

16±10
±
COOLING THERMOSTAT(1ZZ±FE/3ZZ±FE)
AVENSIS REPAIR MANUAL (RM1018E)
THERMOSTAT(1ZZ±FE/3ZZ±FE)
REPLACEMENT
1.REMOVE RADIATOR SUPPORT OPENING COVER (See page 14±27)
2.ENGINE ROOM COVER SIDE (See page 14±27)
3.REMOVE ENGINE UNDER COVER SUB±ASSY NO.1 (See page 14±27)
4.DRAIN ENGINE COOLANT (See page 16±1)
5.REMOVE FAN AND GENERATOR V BELT (See page 14±5)
6.REMOVE GENERATOR ASSY (See page 19±7)
7.REMOVE WATER INLET
(a)Remove the 2 nuts and the water inlet.
8.REMOVE THERMOSTAT 9.INSTALL THERMOSTAT
(a)Install a new gasket to the thermostat.
(b)Install the thermostat with the jiggle valve upward asshown in the illustration.
10.INSTALL WATER INLET
(a)Install the water inlet with the 2 nuts. Torque: 11 N
m (112 kgf
cm, 8 ft
lbf)
11.INSTALL GENERATOR ASSY (See page 19±7)
12.ADD ENGINE COOLANT (See page 16±7)
13.CHECK FOR ENGINE COOLANT LEAKS (See page 16±1)

160MT±01
A56451
A77424
10
10

±
COOLING THERMOSTAT(1AZ±FE)
16±23
AVENSIS REPAIR MANUAL (RM1018E)
THERMOSTAT(1AZ±FE)
REPLACEMENT
1.DRAIN COOLANT(See page 16±19)
2.REMOVE RADIATOR SUPPORT OPENING COVER
3.REMOVE ENGINE ROOM COVER SIDE
4.REMOVE ENGINE UNDER COVER RH
5.REMOVE FAN AND GENERATOR V BELT (See page 14±105)
SST09249±63010
6.REMOVE GENERATOR ASSY (See page 19±20)
7.REMOVE WATER INLET
(a)Remove 2 nuts, and disconnect the water inlet from thecylinder block.
8.REMOVE THERMOSTAT 9.INSTALL THERMOSTAT
(a)Install a new gasket to the thermostat.
(b)Install the thermostat with the jiggle valve upward.
HINT:
The jiggle valve may be set within 10
on either side of the pre-
scribed position.
10.INSTALL WATER INLET
(a)Install the water inlet with 2 nuts. Torque: 9.0 N
m (92 kgf
cm,7 in.
lbf)
11.INSTALL GENERATOR ASSY (See page 19±20)
12.INSTALL FAN AND GENERATOR V BELT (See page 14±105) SST 09249±63010
13.ADD COOLANT (See page 16±19)
14.INSPECT CHECK FOR ENGINE COOLANT LEAKS (See page 16±13)

160MW±01
B12054
SST
B12052
B12053
Pry
PryPry
±
COOLING WATER PUMP ASSY(1AZ±FE)
16±21
AVENSIS REPAIR MANUAL (RM1018E)
WATER PUMP ASSY(1AZ±FE)
REPLACEMENT
1.DRAIN COOLANT (See page 16±19)
2. REMOVE RADIATOR SUPPORT OPENING COVER
3. REMOVE ENGINE ROOM COVER SIDE
4. REMOVE ENGINE UNDER COVER RH
5.REMOVE FAN AND GENERATOR V BELT (See page 14±105)
SST 09249±63010
6.REMOVE GENERATOR ASSY (See page 19±20)
7. REMOVE WATER PUMP PULLEY
(a) Using SST, remove 4 bolts and pump pulley.SST 09960±10010 (09962±01000, 09963±00700)
(b) Disconnect the crankshaft position sensor wire clamp from the water pump.
(c) Disconnect the crankshaft position sensor wire from the clamp on the water pump.
8. REMOVE WATER PUMP ASSY
(a) Remove 4 bolts, 2 nuts, wire clamp and water pump.
(b) Using a screwdriver, pry between the water pump and cyl- inder block, and remove the water pump.
NOTICE:
Be careful not to damage the contact surface of the water
pump and cylinder block.