Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 45 05sienna 6
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05 SIENNA_U (L/O 0409)
SECTION 6
VEHICLE MAINTENANCE AND CARE
Vehicle maintenance and care
Maintenance requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 452
General maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 453
Does your vehicle need repairing? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455
Emissions Inspection and Maintenance (I/M) programs . . . . . . . . . 456
For scheduled maintenance information, please refer to the "Sched-
uled Maintenance Guide" or "Owner's Manual Supplement".
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Maintenance requirements
Your Toyota vehicle has been designed for Scheduled maintenance Where to go for service?
fewer maintenance requirements with long- The scheduled maintenance items listed in Toyota technicians are well- trained spe-
er service intervals to save both your time the "Scheduled Maintenance Guide" or cialists and are kept up to date with the
and money. However, each regular mainte- "Owner's Manual Supplement" are those latest service information through technical
nance, as well as day- to- day care, is required to be serviced at regular inter- bulletins, service tips, and in- dealership
more important than ever before to ensure vals. training programs. They learn to work on
smooth, trouble- free, safe, and economical Toyotas before they work on your vehicle,
drivings. For details of your maintenance schedule,
read the "Scheduled Maintenance Guide" rather than while they are working on it.
It is the owner's responsibility to make or "Owner's Manual Supplement". You can be confident that your Toyota
sure the specified maintenance, including dealer's service department performs the
general maintenance service, is performed. It is recommended that any replacement
parts used for maintenance or for the best job to meet the maintenance require-
Note that both the new vehicle and emis- ments on your vehicle--reliably and eco-
sion control system warranties specify that repair of the emission control system
be Toyota supplied. nomically.
proper maintenance and care must be per-
formed. See "Owner's Warranty Informa- The owner may elect to use non- Toyota Your copy of the repair order is proof that
tion Booklet" or "Owner's Manual Supple- supplied parts for replacement pur- all required maintenance has been per-
ment" for complete warranty information. poses without invalidating the emission formed for warranty coverage. If any prob-
control system warranty. However, use lems should arise with your vehicle while
General maintenance under warranty, your Toyota dealer will
of replacement parts which are not of
General maintenance items are those day- equivalent quality may impair the effec- promptly take care of it. Again, be sure
to- day care practices that are important to tiveness of the emission control sys- to keep a copy of the repair order for any
your vehicle for proper operation. It is the tems. service performed on your Toyota.
owner's responsibility to insure that the What about do- it- yourself maintenance?
general maintenance items are performed You may also elect to have mainte-
regularly. nance, replacement, or repair of the Many of the maintenance items are easy
emission control devices and system to do yourself if you have a little mechani-
These checks or inspections can be done performed by any automotive repair es- cal ability and a few basic automotive
either by yourself or a qualified technician, tablishment or individual without invali- tools. Simple instructions for how to per-
or if you prefer, your Toyota dealer will be dating this warranty. See "Owner's War- form them are presented on page 457 in
pleased to do them at a nominal cost. ranty Information Booklet" or "Owner's Section 7.
Manual Supplement" for complete war-
ranty information.
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General maintenance
If you are a skilled do- it- yourself mechan- Listed below are the general maintenance Engine coolant level
ic, the Toyota service manuals are recom- items that should be performed as fre- Make sure the coolant level is between
mended. Please be aware that do- it- your- quently as specified. In addition to check- the "FULL" and "LOW" lines on the see-
self maintenance can affect your warranty ing the items listed, if you notice any through reservoir when the engine is cold.
coverage. See "Owner's Warranty Informa- unusual noise, smell or vibration, you See page 468 in Section 7- 2 for addition-
tion Booklet" or "Owner's Manual Supple- should investigate the cause or take your al information.
ment" for the details. vehicle to your Toyota dealer or a quali- Radiator, condenser and hoses
fied service shop immediately. It is recom- Check that the front of the radiator and
mended that any problem you notice be condenser are clean and not blocked with
brought to the attention of your dealer or leaves, dirt, or insects. See page 469 in
the qualified service shop for their advice. Section 7- 2 for additional information.
Battery electrolyte level
CAUTION
Your Toyota has a maintenance free bat-
tery. You do not have to add distilled wa-
Make these checks only with ade-
ter. For longer life of the battery, however,
quate ventilation if you run the en-
see page 484 in Section 7- 3 for additional
gine.
information.
Brake fluid level
IN THE ENGINE COMPARTMENT
Make sure the brake fluid level is correct.
Items listed below should be checked See page 470 in Section 7- 2 for addition-
from time to time, e.g. each time when al information.
refueling.
Engine oil level
Washer fluid Check the level on the dipstick with the
Make sure there is sufficient fluid in the engine turned off and the vehicle parked
tank. See page 487 in Section 7- 3 for on a level spot. See page 466 in Section
additional information. 7- 2 for additional information.
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Power steering fluid level Seats Parking brake
Check the level through the reservoir. The Check that all seat controls such as seat Check that the pedal has the proper travel
level should be in the "HOT" or "COLD" adjusters, seatback recliner, etc. operate and that, on a safe incline, your vehicle
range depending on the fluid temperature. smoothly and that all latches lock securely is held securely with only the parking
See page 471 in Section 7- 2 for addition- in any position. Check that the head re- brake applied.
al information. straints move up and down smoothly and Automatic transmission "Park" mecha-
Exhaust system that the locks hold securely in any latched nism
If you notice any change in the sound of position. For folding- down rear seatbacks On a safe incline, check that your vehicle
the exhaust or smell exhaust fumes, have and detachable second seats, check that is held securely with the selector lever in
the cause located and corrected immedi- the latches lock securely. "P" position and all brakes released.
ately. (See "Engine exhaust cautions" on Seat belts OUTSIDE THE VEHICLE
page 380 in Section 2.) Check that the seat belt system such as
buckles, retractors and anchors operate Items listed below should be performed
INSIDE THE VEHICLE from time to time, unless otherwise
properly and smoothly. Make sure the belt
Items listed below should be checked webbing is not cut, frayed, worn or dam- specified.
regularly, e.g. while performing periodic aged. Fluid leaks
services, cleaning the vehicle, etc. Check underneath for leaking fuel, oil, wa-
Accelerator pedal
Lights Check the pedal for smooth operation and ter or other fluid after the vehicle has
Make sure the headlights, stop lights, tail uneven pedal effort or catching. been parked for a while. If you smell fuel
lights, turn signal lights, and other lights fumes or notice any leak, have the cause
are all working. Check headlight aim. Brake pedal found and corrected immediately.
Check the pedal for smooth operation and
Service reminder indicators and warning that the pedal has the proper clearance. Doors and engine hood
buzzers Check the brake booster function. Check that all the doors including back
Check that all service reminder indicators door operate smoothly and all latches lock
and warning buzzers function properly. Brakes securely. Make sure the engine hood sec-
In a safe place, check that the brakes do ondary latch secures the hood from open-
Steering wheel not pull to one side when applied.
Be alert for changes in steering condition, ing when the primary latch is released.
such as hard steering or strange noise.
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Does your vehicle need
repairing?
Tire inflation pressure Be on the alert for changes in perfor- If you notice any of these clues, take your
Check the pressure with a gauge ev- mance, sounds, and visual tip- offs that vehicle to your Toyota dealer as soon as
ery two weeks, or at least once a indicate service is needed. Some impor- possible. It probably needs adjustment or
month. See page 471 in Section 7- 2 tant clues are as follows: repair.
for additional information. D Engine missing, stumbling, or pinging
CAUTION
Tire surface and wheel nuts D Appreciable loss of power
Check the tires carefully for cuts, D Strange engine noises Do not continue driving with the ve-
damage or excessive wear. See page D A leak under the vehicle (however, wa- hicle unchecked. It could result in se-
474 in Section 7- 2 for additional in- ter dripping from the air conditioning rious vehicle damage and possibly
formation. When checking the tires, after use is normal.) personal injury.
make sure no nuts are missing, and D Change in exhaust sound (This may
check the nuts for looseness. Tighten indicate a dangerous carbon monoxide
them if necessary. leak. Drive with the windows open and
Tire rotation have the exhaust system checked im-
Rotate the tires according to the mediately.)
maintenance schedule. (For sched- D Flat- looking tire; excessive tire squeal
uled maintenance information, please when cornering; uneven tire wear
refer to the "Scheduled Maintenance D Vehicle pulls to one side when driving
Guide" or "Owner's Manual Supple- straight on a level road
ment".) See page 476 in Section 7- 2 D Strange noises related to suspension
for additional information. movement
D Loss of brake effectiveness; spongy
feeling brake pedal; pedal almost
touches floor; vehicle pulls to one side
when braking
D Engine coolant temperature continually
higher than normal
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Emissions Inspection and
Maintenance (I/M) programs
Some states have vehicle emission in- The malfunction indicator lamp will go off
spection programs which include OBD after taking several driving trips, but the
(On- Board Diagnostics) checks. error code in the OBD system will not be
The OBD system monitors the operation cleared unless about 40 trips or more are
of the emission control system. When the taken.
OBD system determines that a problem If your vehicle does not pass the I/M test
exists somewhere in the emission control even the malfunction indicator lamp does
system, the malfunction indicator lamp not come on, contact your Toyota dealer
comes on. In this case, your vehicle may to prepare the vehicle for re- testing.
not pass the I/M test and need to be
repaired. Contact your Toyota dealer to
service the vehicle.
Even if the malfunction indicator lamp
does not come on, your vehicle may not
pass the I/M test as readiness codes
have not been set in the OBD system.
Readiness codes are automatically set
during ordinary driving. However, when the
battery is disconnected or run down, the
codes are erased. Also, depending on
your driving habits, the codes may not be
completely set.
Also, if the malfunction indicator lamp had
come on recently due to temporary mal-
function such as a loose fuel tank cap,
your vehicle may not pass the I/M test.
456
2005 SIENNA from Sep. '04 Prod. (OM45431U)
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