2005 LEXUS ES300 cooling

A78353
N´m (kgf´cm, ft´lbf)
: Specified torque
8.5 (87, 75 in.Vlbf)
220 (2,250, 162)8.5 (87, 75 in.Vlbf)
28 (286, 21)
27 (280, 20)
Timing Belt Tensioner AssyCrankshaft PulleyTiming Belt No. 1 Cover
Timing Belt Guide No. 2
Engine Mounting Bracket RH Timing Belt No. 2 Cover
Timing Belt
Engine Wire
Protector
- COOLINGWATER PUMP ASSY (3MZ-FE)
16-1 1
2289 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)

A78394
N´m (kgf´cm, ft´lbf)
: Specified torque

Non-reusable part
Water Pump Gasket
8.5 (87, 75 in.Vlbf)
125 (1,275, 92)
43 (438, 32)
8.0 (82, 71 in.Vlbf)
8.0 (82, 71 in.Vlbf)
34 (347, 25)
Timing Belt Idler Sub-assy No. 1Water Pump Assy Timing Belt Idler
Sub-assy No. 2Camshaft Timing
Pulley x6Timing Belt No. 3 Cover
CollarGasket
Bushing
Engine Wire
16-12
- COOLINGWATER PUMP ASSY (3MZ-FE)
2290 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)

160QH-01
A78535
- COOLINGWATER PUMP ASSY (3MZ-FE)
16-13
2291 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
REPLACEMENT
1. DRAIN ENGINE COOLANT (See page 16-9)
2. REMOVE FRONT WHEEL RH
3. REMOVE FRONT FENDER APRON SEAL RH
4. REMOVE V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO.1
(See page 14-5)
5. REMOVE VANE PUMP V BELT (See page 14-5)
6. REMOVE ENGINE MOVING CONTROL ROD (See page 14-79)
7. REMOVE ENGINE MOUNTING STAY NO.2 RH (See page 14-79)
8. REMOVE GENERATOR BRACKET NO.2 (See page 14-79)
9. REMOVE CRANKSHAFT PULLEY (See page 14-79)
SST 09213-54015 (91651-60855), 09330-00021, 09950-50013 (09951-05010, 09952-05010,
09953-05020, 09954-05031)
10. REMOVE TIMING BELT NO.1 COVER
11. REMOVE TIMING BELT NO.2 COVER (See page 14-79)
12. REMOVE ENGINE MOUNTING BRACKET RH (See page 14-79)
13. REMOVE TIMING BELT GUIDE NO.2
14. REMOVE TIMING BELT (See page 14-79)
15. REMOVE TIMING BELT IDLER SUB-ASSY NO.2
16. REMOVE CAMSHAFT TIMING PULLEY (See page 14-93)
SST 09960-10010 (09962-01000, 09963-01000), 09249-63010
17. REMOVE TIMING BELT NO.3 COVER (See page 14-93)
18. REMOVE TIMING BELT IDLER SUB-ASSY NO.1
(a) Using a socket hexagon wrench 10, remove the pivot bolt, timing belt idler No. 1 and plate washer.
19. REMOVE WATER PUMP ASSY
(a) Remove the 3 bolts and 3 nuts, then remove the water
pump and gasket.
20. INSTALL WATER PUMP ASSY
(a) Install a new gasket and the water pump with the 3 bolts and 3 nuts.
Torque: 8.0 NVm (82 kgfVcm,
71 in.Vlbf)
21. INSTALL TIMING BELT IDLER SUB-ASSY NO.1
(a) Using a socket hexagon wrench 10, install the plate washer and timing belt idler No.1 with the pivot
bolt.
Torque: 34 NVm (347 kgfVcm,
25 ftVlbf)
22. INSTALL TIMING BELT NO.3 COVER (See page 14-93)
23. INSTALL CAMSHAFT TIMING PULLEY (See page 14-93)
SST 09960-10010 (09962-01000, 09963-01000), 09249-63010
24. INSTALL TIMING BELT IDLER SUB-ASSY NO.2 (See page 14-93)
25. INSPECT TIMING BELT (See page 14-79)
26. INSTALL TIMING BELT (See page 14-79)
SST 09960-10010 (09962-01000, 09963-01000)

16-14
- COOLINGWATER PUMP ASSY (3MZ-FE)
2292 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
27. INSTALL TIMING BELT TENSIONER ASSY (See page 14-79)
28. INSTALL TIMING BELT GUIDE NO.2 (See page 14-79)
29. INSTALL ENGINE MOUNTING BRACKET RH (See page 14-79)
30. INSTALL TIMING BELT NO.2 COVER (See page 14-79)
31. INSTALL TIMING BELT NO.1 COVER (See page 14-79)
32. INSTALL CRANKSHAFT PULLEY (See page 14-79)
SST 09213-54015 (91651-60855), 09330-00021
33. INSTALL GENERATOR BRACKET NO.2 (See page 14-79)
34. INSTALL ENGINE MOUNTING STAY NO.2 RH (See page 14-79)
35. INSTALL ENGINE MOVING CONTROL ROD (See page 14-79)
36. INSTALL VANE PUMP V BELT (See page 14-5)
37. INSTALL V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO.1
(See page 14-5)
38. INSPECT DRIVE BELT DEFLECTION AND TENSION (See page 14-1)
39. INSTALL FRONT WHEEL RH (See page 14-5)
40. ADD ENGINE COOLANT (See page 16-9)
41. CHECK FOR ENGINE COOLANT LEAKS (See page 16-1)

160LM-03
P12487
- COOLINGWATER PUMP ASSY (3MZ-FE)
16-15
2293 Author
: Date
:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
INSPECTION
1. INSPECT WATER PUMP ASSY
(a) Visually check the drain hole for coolant leakage.
(b) Turn the pulley, then check that the water pump bearing
moves smoothly without making a niose.
If not, replace the water pump.

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