Page 665 of 969
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)
Page 667 of 969
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
Page 670 of 969

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.
Page 685 of 969

170HN-02
A52889
- LUBRICATIONOIL PUMP ASSY (3MZ-FE)
17-9
2314 Author: Date:
REPLACEMENT
1. DISCONNECT BATTERY NEGATIVE TERMINAL
2. DRAIN ENGINE OIL (See page 17-20)
3. REMOVE FRONT WHEEL RH
4. REMOVE ENGINE UNDER COVER NO.1
5. REMOVE ENGINE UNDER COVER NO.2
6. REMOVE FRONT FENDER APRON SEAL RH
7. REMOVE V (COOLER COMPRESSOR TO CRANKSHAFT PULLEY) BELT NO.1
(See page 14-5)
8. REMOVE GENERATOR ASSY (See page 19-21)
9. REMOVE VANE PUMP V BELT (See page 14-5)
10. REMOVE ENGINE MOVING CONTROL ROD (See page 14-79)
11. REMOVE ENGINE MOUNTING STAY NO.2 RH (See page 14-79)
12. REMOVE GENERATOR BRACKET NO.2 (See page 14-79)
13. REMOVE CRANKSHAFT PULLEY (See page 14-79)
SST 09213-54015 (91651-60855), 09330-00021, 09950-50013 (09951-05010, 09952-05010,
09953-05020, 09954-05031)
14. REMOVE TIMING BELT NO.1 COVER
15. REMOVE TIMING BELT NO.2 COVER (See page 14-79)
16. REMOVE ENGINE MOUNTING BRACKET RH (See page 14-79)
17. REMOVE TIMING BELT GUIDE NO.2
18. REMOVE TIMING BELT (See page 14-79)
19. REMOVE TIMING BELT IDLER SUB-ASSY NO.2
20. REMOVE CAMSHAFT TIMING PULLEY (See page 14-93)
SST 09960-10010 (09962-01000, 09963-01000), 09249-63010
21. REMOVE TIMING BELT NO.3 COVER (See page 14-93)
22. REMOVE TIMING BELT IDLER SUB-ASSY NO.1 (See page 16-13)
23. REMOVE CRANKSHAFT TIMING PULLEY (See page 14-138)
SST 09950-50013 (09951-05010, 09952-05010, 09953-05020, 09954-05011)
24. REMOVE EXHAUST PIPE NO.1 SUPPORT BRACKET FRONT (See page 15-2)
25. REMOVE EXHAUST PIPE NO.1 SUPPORT BRACKET REAR (See page 15-2)
26. REMOVE EXHAUST PIPE ASSY FRONT (See page 15-2)
27. REMOVE EXHAUST PIPE SUPPORT BRACKET NO.1 (See page 40-9)
28. REMOVE OIL LEVEL GAGE GUIDE (See page 14-133)
29. REMOVE GENERATOR BELT ADJUSTING BAR
(a) Remove the 2 bolts and 2 nuts, then remove the adjusting
bar.
Page 697 of 969

1809A-01
- IGNITIONIGNITION SYSTEM (3MZ-FE)
18-1
2326 Author: Date:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
IGNITION SYSTEM (3MZ-FE)
ON-VEHICLE INSPECTION
NOTICE:
ºColdº and ºHotº in this section mean temperature of the coils themselves. ºColdº is from -10C
(14F) to 50C (122F) and ºHotº is from 50C (122F) to 100C (212F).
1. INSPECT IGNITION COIL AND SPARK TEST
(a) Check the DTCs.
NOTICE:
If a DTC is present, perform troubleshooting in accordance with a procedure for that DTC.
(b) Check that a spark occurs.
(1) Remove the 6 ignition coils (see page 18-7).
(2) Using a spark plug wrench 16 mm, remove the 6 spark plugs.
Torque: 25 NVm (250 kgfVcm, 18 ftVlbf)
(3) Install the spark plugs to each ignition coil, then connect the ignition coil connectors.
(4) Disconnect the 6 fuel injector connectors.
(5) Ground the spark plugs.
(6) Check that the spark plug occurs at each spark plug while the engine is being cranked.
NOTICE:
Be sure to ground the spark plugs when checking.
Replace the ignition coil if physical impact is felt.
Do not crank the engine for more than 2 seconds.
If a spark does not occur, perform the following test.
1 SPARK TEST
NG
2 CHECK CONNECTION OF IGNITION COIL CONNECTOR
NG CONNECT SECURELY
OK
3 REPLACE IT WITH NORMAL IGNITION COIL AND PERFORM SPARK TEST AGAIN
OK REPLACE IGNITION COIL ASSY
(See page 18-7)
NG
4 CHECK POWER SUPPLY TO IGNITION COIL
(a) Turn the ignition switch ON.
(b) Check that there is battery voltage at the ignition coil positive (+) terminal.
NG CHECK WIRE HARNESS (BETWEEN IGNITION
(START) SWITCH ASSY AND IGNITION COIL
ASSY)
OK
Page 701 of 969

1809C-01
A79541
RH Bank:
(a)
(b)
A78529
LH Bank:
(a)
(b)
- IGNITIONVVT SENSOR (3MZ-FE)
18-5
2330 Author: Date:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
VVT SENSOR (3MZ-FE)
REPLACEMENT
1. DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
2. REMOVE RADIATOR LOWER AIR DEFLECTOR (See page 19-5)
3. REMOVE AIR CLEANER INLET ASSY (See page 19-5)
4. REMOVE AIR CLEANER ASSY (See page 19-5)
5. REMOVE VVT SENSOR
(a) Remove the 2 VVT sensor connectors.
(b) Remove the 2 bolts, then remove the 2 VVT sensors.
HINT:
The VVT sensor is installed with the bolt.
6. INSTALL VVT SENSOR
(a) Apply a light coat of engine oil to the O-ring on each VVT sensor.
(b) Install the 2 VVT sensors with the 2 bolts.
Torque: 8.0 NVm (80 kgfVcm, 71 in.Vlbf)
NOTICE:
Be careful not to twist the O-ring.
(c) Connect the 2 VVT sensor connectors.
7. INSTALL AIR CLEANER ASSY (See page 19-5)
8. INSTALL AIR CLEANER INLET ASSY (See page 19-5)
9. INSTALL RADIATOR LOWER AIR DEFLECTOR
10. CHECK CONNECTION OF VACUUM HOSE (See page 14-29)
11. CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
Torque: 5.4 NVm (55 kgfVcm, 48 in.Vlbf)
12. CHECK FOR ENGINE OIL LEAKS
13. SYSTEM INITIALIZATION (See page 19-15)
Page 702 of 969
1809D-01
A86232
A86233
A79763
(a)
(b) 18-6
- IGNITIONCRANKSHAFT POSITION SENSOR (3MZ-FE)
2331 Author: Date:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
CRANKSHAFT POSITION SENSOR (3MZ-FE)
REPLACEMENT
1. DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
2. REMOVE ENGINE UNDER COVER NO.1
(a) Remove the 3 clips and 5 screws, then remove the engine
under cover No. 1.
3. REMOVE FRONT FENDER APRON SEAL RH
(a) Remove the clip and 2 bolts, then remove the front fender
apron seal.
4. REMOVE CRANKSHAFT POSITION SENSOR
(a) Remove the crankshaft position sensor connector.
(b) Remove the bolt, then remove the crankshaft position
sensor.
5. INSTALL CRANKSHAFT POSITION SENSOR
Torque: 8.0 NVm (80 kgfVcm, 71 in.Vlbf)
6. INSTALL FRONT FENDER APRON SEAL RH
7. INSTALL ENGINE UNDER COVER NO.1
8. CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
Torque: 5.4 NVm (55 kgfVcm, 48 in.Vlbf)
9. SYSTEM INITIALIZATION (See page 19-15)
Page 703 of 969

1809E-02
A86234
(a)(b)
(b)
(b)(a)
(a)
RH Bank:
A86235
(a)
(b)(b)
(b)
(a)
(a)LH Bank:
- IGNITIONIGNITION COIL ASSY (3MZ-FE)
18-7
2332 Author: Date:
2005 LEXUS ES330 REPAIR MANUAL (RM1124U)
IGNITION COIL ASSY (3MZ-FE)
REPLACEMENT
1. DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
2. DRAIN ENGINE COOLANT (RH BANK) (See page 10-1 1)
3. REMOVE FRONT SUSPENSION UPPER BRACE CENTER (W/O TEMS, RH BANK)
(See page 16-9)
4. REMOVE V-BANK COVER SUB-ASSY (See page 16-9)
5. REMOVE AIR CLEANER CAP SUB-ASSY (RH BANK) (See page 16-9)
6. REMOVE EMISSION CONTROL VALVE SET (RH BANK) (See page 11-13)
7. REMOVE INTAKE AIR SURGE TANK (RH BANK) (See page 11-13)
8. REMOVE IGNITION COIL ASSY
(a) Disconnect the 6 connectors.
(b) Remove the 6 bolts, then remove the 6 ignition coils.
HINT:
The ignition coil is installed with the bolt.
9. INSTALL IGNITION COIL ASSY
Torque: 8.0 NVm (80 kgfVcm, 71 in.Vlbf)
10. INSTALL INTAKE AIR SURGE TANK (RH BANK) (See page 11-13)
11. INSTALL EMISSION CONTROL VALVE SET (RH BANK) (See page 11-13)
12. INSTALL AIR CLEANER CAP SUB-ASSY (RH BANK) (See page 16-9)
13. CHECK CONNECTION OF VACUUM HOSE (RH BANK) (See page 14-29)
14. CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
Torque: 5.4 NVm (55 kgfVcm, 48 in.Vlbf)
15. ADD ENGINE COOLANT (RH BANK) (See page 10-1 1)
16. CHECK FOR ENGINE COOLANT LEAKS (RH BANK) (See page 16-1)
17. INSTALL V-BANK COVER SUB-ASSY (See page 16-9)
18. INSTALL FRONT SUSPENSION UPPER BRACE CENTER (W/O TEMS, RH BANK)
(See page 16-9)
19. SYSTEM INITIALIZATION (See page 19-15)