2004 TOYOTA SIENNA engine

04 SIENNA_U (L/O 0408)
487
2004 SIENNA from Aug. ’04 Prod. (OM45422U)
SPECIFICATIONS
Specifications
Dimensions and weights488
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Engine 488
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Fuel 489
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Service specifications 489
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Tires 491
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Fuses 492
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SECTION 8

04 SIENNA_U (L/O 0408)
488
2004 SIENNA from Aug. ’04 Prod. (OM45422U)
Model:3MZ −FE
Type: 6 cylinder V type 4 cycle, gasoline
Bore and stroke, mm (in.): 92.0 83.0 (3.62 3.27)
Displacement, cm
3 (cu. in.):
3311 (201.9)
Dimensions and weights
Overall width mm (in.)
3030 (119.3)
Overall height
mm (in.)
1700 (66.9)
∗2
1710 (67.3)∗3
Wheelbase mm (in.)
Front tread mm (in.)1665 (65.6)
∗
2
1675 (65.9)∗3
Rear tread mm (in.)
538 (1185)
∗1: Unladen vehicle∗2: With P215/65R16 tires∗3: With P225/60R17 tires
Overall length mm (in.)
Vehicle capacity weight
kg (lb.)
(occupants + luggage) 5080 (200.0)
1965 (77.4)
1750 (68.9)
∗
1
Towing capacity
(trailer weight +
cargo weight) kg (lb.)Vehicle without towing package
Vehicle with towing package 907 (2000)
1587 (3500)
Engine

04 SIENNA_U (L/O 0408)
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2004 SIENNA from Aug. ’04 Prod. (OM45422U)
Fuel type:Unleaded gasoline, Octane Rating 87
(Research Octane Number 91) or higher.
For improved vehicle performance, the
use of premium unleaded gasoline with
an Octane Rating of 91 (Research Oc-
tane Number 96) or higher is recom-
mended.
Fuel tank capacity, L (gal., Imp. gal.): 79 (21, 17.5) ENGINE
Valve clearance (engine cold), mm (in.):
Intake 0.15—0.25 (0.006—0.010)
Exhaust 0.25—0.35 (0.010—0.014)
Spark plug type: DENSO SK20R11
NGK IFR6A11
Spark plug gap, mm (in.): 1.1 (0.043)
Drive belt tension measured with Bor-
roughs drive belt tension gauge
No.BT− 33−73F (used belt), Ibf:
Generator belt 125 10
Power steering pump belt 115 20
ENGINE LUBRICATION
Oil capacity (drain and refill),
L (qt., Imp. qt.): With filter 4.7 (5.0, 4.1)
Without filter 4.5 (4.8, 4.0)
“Toyota Genuine Motor Oil” is used in
your Toyota vehicle. Use Toyota approved
“Toyota Genuine Motor Oil” or equivalent
to satisfy the following grade and
viscosity.
Oil grade: API grade SL “Energy −Conserving” or
ILSAC multigrade engine oil Recommended oil viscosity:
SAE 5W −30
Outside temperature
Please contact your Toyota dealer for fur-
ther details.
COOLING SYSTEM
Total capacity, L (qt., Imp. qt.):
11.7 (12.4, 10.3)
Coolant type: “Toyota Genuine Long Life Coolant” is
used in your Toyota vehicle. In order to
avoid technical problems, we strongly
recommend using “Toyota Genuine Long
Life Coolant” or equivalent.
Fuel Service specifications

04 SIENNA_U (L/O 0408)
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2004 SIENNA from Aug. ’04 Prod. (OM45422U)
With ethylene−glycol type coolant for a
proper corrosion protection of aluminum
components
Do not use alcohol type antifreeze or
plain water alone.
Please contact your Toyota dealer for
further details.
BATTERY
Open voltage
∗ at 20 C (68 F):
12.6—12.8 V Fully charged
12.2—12.4 V Half charged
11.8—12.0 V Discharged
∗: Voltage that is checked 20 minutes af-
ter the key is removed with all the
lights turned off
Charging rates: 5 A max.
AUTOMATIC TRANSAXLE
Fluid capacity (drain and refill), L (qt.,
Imp. qt.):
Tw o −wheel drive models
3.5 (3.7, 3.1)
All −wheel drive models
3.6 (3.8, 3.2)
Fluid type: Toyota Genuine ATF Type T −IV
Change automatic transmission fluid only
as necessary. Generally, it is necessary to change
automatic transmission fluid only if your
vehicle is driven under one of the Special
Operating Conditions listed in your
“Scheduled Maintenance Guide” or
“Owner ’s Manual Supplement”. When
changing the automatic transmission fluid,
use only “Toyota Genuine ATF Type T
−IV”
(ATF JWS3309 or NWS6500) to aid in
assuring optimum transaxle performance.
Notice: Using automatic transmission
fluid other than “Toyota Genuine ATF
Type TIV” may cause deterioration in
shift quality, locking up of your trans-
mission accompanied by vibration, and
ultimately damage the automatic trans-
mission of your vehicle.
Please contact your Toyota dealer for fur-
ther details.
TRANSFER
(allwheel drive models)
Oil capacity, L (qt., Imp. qt.):
0.9 (1.0, 0.8)
Oil type: Hypoid gear oil API GL −5
Recommended oil viscosity: Above −18 C (0 F)
SAE 90
Below −18 C (0 F)
SAE 80W or 80W −90 REAR DIFFERENTIAL
(allwheel drive models)
Oil capacity, L (qt., Imp. qt.):
0.9 (1.0, 0.8)
Oil type: Hypoid gear oil API GL −5
Recommended oil viscosity: Above −18 C (0 F)
SAE 90
Below −18 C (0 F)
SAE 80W or 80W −90
BRAKES
Minimum pedal clearance when depressed
with the force of 490 N (50 kgf, 110 lbf)
with the engine running, mm (in.): 52 (2.0)
Pedal free play, mm (in.): 1—6 (0.04—0.24)
Pad wear limit, mm (in.): 1.
0 (0.04)
Lining wear limit, mm (in.): 1.0 (0.04)
Parking brake adjustment when depressed
with the force of 294 N (30 kgf, 66 lbf): 3—5 clicks
Fluid type: SAE J1703 or FMVSS No.116 DOT 3

04 SIENNA_U (L/O 0408)
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2004 SIENNA from Aug. ’04 Prod. (OM45422U)
Engine compartment
Instrument panel (driver’s side)
Fuses (type A)1. ETCS 10 A: Multiport fuel injection
system/se quential multiport fuel injec-
tion system
2. EFI NO.1 20 A: Multiport fuel injection
system/se quential multiport fuel injec-
tion system, “EFI NO.2” fuse
3. HLP RL 15 A: Right−hand headlight
(low beam)
4. DRL 20 A: Daytime running light sys-
tem, “H −LP RH” and “H −LP LH” fuses
5. ALTS 7.5 A: Charging system
6. HLP LL 15 A: Left−hand headlight
(low beam), front fog lights
Instrument panel (passenger’s side)
7. DOOR NO.2 25 A: Power door lock
system
8. HAZ 15 A: Turn signal lights, emergen-
cy flashers
9. RAD NO.3 30 A: Audio system
10. A/F 25 A: A/F sensor
11. HORN 10 A: Horns
12. EFI NO.2 10 A: Multiport fuel injection
system/s equential multiport fuel injec-
tion system
Fuses

04 SIENNA_U (L/O 0408)
2004 SIENNA from Aug. ’04 Prod. (OM45422U)
Publication No. OM45422U
Part No. 01999-45422
Printed in Japan 01−0408 −00
Quick index
 If a service reminder indicator or warning buzzer comes on 167 . . . . . . . .
 If your vehicle will not start 406 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. .
 If your engine stalls while driving 409 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 If your vehicle overheats 410 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
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 If you have a flat tire 411 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
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 If your vehicle needs to be towed 427 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 Tips for driving during break −in period 366 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 How to start the engine 394 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
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 General maintenance 443 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
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Gas station information
Fuel type:
UNLEADED gasoline, Octane Rating 87 (Research Octane Number 91)
or higher.
See page 366 for detailed information.
Fuel tank capacity:
79 L (21 gal., 17.5 Imp. gal.)
Engine oil: API grade SL “Energy −Conserving” or ILSAC multigrade engine oil is
recommended.
See page 457 for detailed information.
Tire information: See pages 463 through 474.
Tire inflation pressure: See page 491.
gU3
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04 SIENNA_U (L/O 0408)
2004 SIENNA from Aug. ’04 Prod. (OM45422U)
Maintenance procedures for the engine,
chassis, body, electrical system, and more,
are clearly explained and illustrated.
Periodic maintenance and tuneup
Periodic maintenance and tuneup helps to pre-
vent small problems from growing into larger ones lat-
er on. The repair manual outlines exactly what main-
tenance is required and clearly explains how to do the
work yourself stepbystep.
Areas covered include such things as spark plug re-
placement, valve clearance adjustment and engine oil
and filter replacement.
Where to obtain the Repair Manual
The repair manual for SIENNA, written in Eng-
lish, may be purchased as applicable from any
Toy ota dea l er.
Pub. Name: 2004 SIENNA Repair Manual
Pub. No.: RM1025U1 RM1025U2