2005 LEXUS ES300 Repair Manual

160QI-01
A80823
A80824
A80298
Jiggle Valve15

15
16-16
- COOLINGTHERMOSTAT (3MZ-FE)
2294 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
THERMOSTAT (3MZ-FE)
REPLACEMENT
1. DISCONNECT BATTERY NEGATIVE TERMINAL
2. DRAIN ENGINE COOLANT (See page 16-9)
3. REMOVE RADIATOR LOWER AIR DEFLECTOR (See page 19-5)
4. REMOVE AIR CLEANER INLET ASSY (See page 19-5)
5. REMOVE AIR CLEANER ASSY (See page 19-5)
6. REMOVE WATER INLET PIPE
(a) Remove the bolt and water inlet pipe.
(b) Remove the O-ring from the water inlet pipe.
7. REMOVE WATER INLET
(a) Disconnect the wire harness clamp.
(b) Remove the 3 nuts and water inlet.
8. REMOVE THERMOSTAT
9. INSTALL THERMOSTAT
(a) Install a new gasket to the thermostat.
(b) Align the thermostat jiggle valve with the upper stud bolt,
then insert the thermostat in the water inlet housing.
HINT:
The jiggle valve may be set within 15
of either side of the pre-
scribed position.
10. INSTALL WATER INLET
Torque: 8.0 NVm (82 kgfVcm, 71 in.Vlbf)

- COOLINGTHERMOSTAT (3MZ-FE)
16-17
2295 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
11. INSTALL WATER INLET PIPE
(a) Install a new O-ring to the water inlet pipe.
(b) Apply soapy water to the O-ring.
(c) Connect the water inlet pipe to the water inlet.
(d) Install the bolt which is used to fixes the water inlet pipe to the cylinder head.
Torque: 20 NVm (199 kgfVcm,
14 ftVlbf)
12. INSTALL AIR CLEANER ASSY (See page 19-5)
13. INSTALL AIR CLEANER INLET ASSY (See page 19-5)
14. CHECK CONNECTION OF VACUUM HOSE (See page 14-29)
15. ADD ENGINE COOLANT (See page 16-9)
16. CHECK FOR ENGINE COOLANT LEAKS (See page 16-1)

160QJ-01
A86584: Specified torque Battery Clamp
Sub-assy
Battery
Battery Tray
VSV Connector
Air Cleaner
Inlet Assy
Air Cleaner Inlet
No. 1
Air Cleaner BracketAir Cleaner Case Air Cleaner
Filter Element
Sub-assyAir Cleaner Cap
Sub-assy Mass
Air Flow Sensor
Connector Vacuum Hose
5.0 (51, 44 in.Vlbf)
x2
x2 x3
5.0 (51, 44 in.Vlbf)
5.0 (51, 44 in.Vlbf)
Air Cleaner Hose No. 1
N´m (kgf´cm, ft´lbf)Vacuum Hose
5.0 (51, 44 in.Vlbf)
Radiator Lower Air Deflector
Clip
x7
Clip
Engine Under Cover No. 2
Engine Under Cover No. 1
5.5 (56, 49 in.Vlbf)
7.5 (76, 66 in.Vlbf)
16-18
- COOLINGRADIATOR ASSY (3MZ-FE)
2296 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
RADIATOR ASSY (3MZ-FE)
COMPONENTS

A86585
Hood Lock Release
Lever ProtectorHood Lock Assy
Radiator AssyRadiator Support
Cushion
Radiator Support
LowerRadiator Support Upper
Fan Shroud
Sub-assy
Temperature Detect
Switch
Radiator Hose Outlet
Radiator Hose Inlet
Oil Cooler
Inlet Hose
Oil Cooler
Outlet Hose
5.0 (51, 44 in.Vlbf)
14 (142, 10)
8.0 (82, 71 in.Vlbf)
x3x5
x3
: Specified torque
N´m (kgf´cm, ft´lbf)
- COOLINGRADIATOR ASSY (3MZ-FE)
16-19
2297 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)

A86586
Radiator Tank Upper
Radiator Tank LowerInlet No. 1
Inlet No. 2 ATM Oil CoolerRadiator Core Sub-assy
Radiator Drain
Cock Plug
O-ring

O-ring
O-ring

O-ring

O-ring
Washer
Washer
8.3 (85, 74 in.Vlbf)
15 (150, 11)
8.3 (85, 74 in.Vlbf)
15 (150, 11)
N´m (kgf´cm, ft´lbf)
: Specified torque

Non-reusable part 16-20
- COOLINGRADIATOR ASSY (3MZ-FE)
2298 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)

160QK-01
A61350
Clip
A86560
A86561
- COOLINGRADIATOR ASSY (3MZ-FE)
16-21
2299 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
REPLACEMENT
1. DISCONNECT BATTERY NEGATIVE TERMINAL
2. DRAIN ENGINE COOLANT (See page 16-9)
3. REMOVE ENGINE UNDER COVER NO.1
4. REMOVE ENGINE UNDER COVER NO.2
5. REMOVE RADIATOR LOWER AIR DEFLECTOR (See page 19-5)
6. REMOVE BATTERY
7. REMOVE BATTERY TRAY
8. REMOVE AIR CLEANER INLET ASSY (See page 19-5)
9. REMOVE AIR CLEANER ASSY (See page 19-5)
10. REMOVE AIR CLEANER BRACKET (See page 19-5)
11. REMOVE AIR CLEANER INLET NO.1 (See page 19-5)
12. DISCONNECT RADIATOR HOSE INLET
13. DISCONNECT RADIATOR HOSE OUTLET
14. DISCONNECT OIL COOLER INLET HOSE
15. DISCONNECT OIL COOLER OUTLET HOSE
16. REMOVE HOOD LOCK RELEASE LEVER
PROTECTOR
(a) Using a screwdriver with the tip wrapped in tape, remove
the protector.
NOTICE:
Removing the protector damages the clips inside the pro-
tector, therefore it is necessary to use a new protector
when installing.
17. SEPARATE HOOD LOCK ASSY
(a) Disconnect the hood switch connector.
(b) Remove the 3 bolts, then separate the hood lock.
18. REMOVE RADIATOR SUPPORT UPPER
(a) Disconnect the horn connectors.
(b) Remove the 5 bolts, then remove the radiator support up-
per.

A86562
A86563
16-22
- COOLINGRADIATOR ASSY (3MZ-FE)
2300 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
19. REMOVE RADIATOR ASSY
(a) Disconnect the 2 wire harness connectors.
(b) Remove the radiator from the vehicle.
20. REMOVE RADIATOR SUPPORT CUSHION
(a) Remove the 2 radiator support cushions from the radiator.
21. REMOVE RADIATOR SUPPORT LOWER
(a) Remove the 2 radiator support lowers from the radiator.
22. REMOVE FAN SHROUD SUB-ASSY
(a) Disconnect the temperature detect switch connector.
(b) Remove the 3 bolts, then remove the fan shroud with mo-
tor.
23. REMOVE TEMPERATURE DETECT SWITCH
24. REPLACE RADIATOR ASSY
25. INSTALL FAN SHROUD SUB-ASSY
Torque: 5.0 NVm (51 kgfVcm, 44 in.Vlbf)
26. INSTALL RADIATOR SUPPORT UPPER
Torque: 14 NVm (142 kgfVcm, 10 ftVlbf)
27. INSTALL HOOD LOCK ASSY
Torque: 8.0 NVm (82 kgfVcm, 71 in.Vlbf)
28. INSTALL AIR CLEANER INLET NO.1 (See page 19-5)
29. INSTALL AIR CLEANER BRACKET (See page 19-5)
30. INSTALL AIR CLEANER ASSY (See page 19-5)
31. INSTALL AIR CLEANER INLET ASSY (See page 19-5)
32. CHECK CONNECTION OF VACUUM HOSE (See page 14-29)
33. ADD ENGINE COOLANT (See page 16-9)
34. CHECK FOR ENGINE COOLANT LEAKS (See page 16-1)

160QL-01
A87082
Dimension ºBº
Overhaul HandleStopper Bolt SSTPart ºAº
Claw
A86587Stopper Bolt
Core Plate
SST
Radiator Tank
A86588
Ta p
A86589
- COOLINGRADIATOR ASSY (3MZ-FE)
16-23
2301 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
OVERHAUL
1. REMOVE RADIATOR DRAIN COCK PLUG
(a) Remove the drain cock plug.
(b) Remove the O-ring from the drain cock plug.
2. ASSEMBLE SST
SST 09230-01010 (09231-01010, 09231-01030)
(a) Install the claw to the overhaul handle by inserting it in the
hole in part ºAº as shown in the illustration.
(b) While gripping the handle, adjust the stopper bolt so that
dimension ºBº is as shown in the illustration.
Dimension ºBº: 0.2 to 0.3 mm (0.008 to 0.012 in)
NOTICE:
If the stopper bolt is not adjusted, the claw may be dam-
aged.
3. UNCAULK CORE PLATE
(a) Using SST to release the core plate, grip the handle until
stopped by the stopper bolt.
SST 09230-01010 (09231-01010, 09231-01030)
4. REMOVE RADIATOR TANK UPPER
(a) Lightly tap the bracket of the radiator tank (or radiator tank
pipe) with a soft-faced hammer, then remove the radiator
tank.
(b) Remove the O-ring.
5. REMOVE RADIATOR TANK LOWER
HINT:
Perform the same procedures as the radiator tank upper.
6. REMOVE INLET NO.1
(a) Remove the bolt.
(b) Remove the nut and inlet No. 1.