1997 TOYOTA 4RUNNER air condition

Part 5Protecting your Toyota from corrosion
179
CORROSION
PREVENTION ANDAPPEARANCE CARE
Protecting your Toyota from corrosion
Washing and waxing your
Toyota
Cleaning the interior
Toyota, through its diligent research, de-
sign and use of the most advanced
technology available, has done its part to
help prevent corrosion and has provided you with the finest quality vehicle
construction. Now, it is up to you. Proper
care of
your Toyota can help ensure long-
term corrosion prevention.
The most common causes of corro-
sion to your vehicle are: The accumulation of road salt, dirt and
moisture in hard-to-reach areas un- der the vehicle.
Chipping of paint, or undercoating
caused by minor accidents or by
stones and gravel.
Care is especially important if you live
in particular areas or operate your ve-
hicle under certain environmentalconditions: Road salt or dust control chemicals will
accelerate corrosion, as will the pres-
ence of salt in the air near the sea-
coast or in areas of industrial pollution.
High humidity accelerates corrosion
especially when temperatures rangejust above the freezing point.
Wetness or dampness to certain parts
of your vehicle for an extended period
of time, may cause corrosion even
though other parts of the vehicle may
be dry.
High temperatures will cause corro-
sion to those components of the ve-
hicle which are prevented from quick-
drying due to lack of proper ventilation.
The above signifies the necessity to keep
your vehicle, particularly the underside,
as clean as possible and to repair any
damage to paint or protective coatings as
soon as possible.
To help prevent corrosion on your To-
yota, follow these guidelines:
Wash your vehicle frequently: It is, of
course, necessary to keep your vehicle
clean by regular washing, but to prevent corrosion, the following points should beobserved: If you drive on salted roads in the win-
ter or if you live near the ocean, you
should hose off the undercarriage atleast once a month to minimize corro- sion.

180

High pressure water or steam is effec-
tive for cleaning the vehicle's under-
side and wheel housings. Pay particu-
lar attention to these areas as it is
difficult to see all the mud and dirt. It
will do more harm than good to simply
wet the mud and debris without remov-
ing them. The lower edge of doors,
rocker panels and frame members
have drain holes which should not be
allowed to clog with dirt as trapped wa-
ter in these areas can cause corrosion.
Wash the underside of the vehicle
thoroughly when winter is over.
See Washing and waxing your Toyotaº
for more tips.
Check the condition of your vehicle's
paint and trim. If you find any chips or
scratches in the paint, touch them up im- mediately to prevent corrosion from start- ing. If the chips or scratches have gone
through the bare metal, have a qualified
body shop make the repair. Check the interior of your vehicle.
Wa-
ter and dirt can accumulate under the floor
mats and could cause corrosion. Occa-
sionally check under the mats to make sure the area is dry. Be particularly careful
when transporting chemicals, cleansers,
fertilizers, salt, etc.; these should be
transported in proper containers. If a spill
or leak should occur, immediately clean
and dry the area.
Use mud shields on your wheels. If you
drive on salted or gravel roads, mud
shields help protect your vehicle. Full- size shields, which come as near to the
ground as possible, are the best. We rec-
ommend that the fittings and the area
where the shields are installed be treated
to resist corrosion. Your Toyota dealer will
be happy to assist in supplying and instal-
ling the shields if they are recommended for your area.
Do not park your vehicle in a damp, poorly ventilated garage. If you wash
your vehicle in the garage, or if you drive
it in covered with water or snow, your ga- rage may be so damp it will cause corro-
sion. Even if your garage is heated, a wet
vehicle can corrode if the ventilation is
poor. Washing your Toyota by hand
Work in the shade and wait until the ve-
hicle body is not hot to the touch.
CAUTION!
When cleaning under floor or chas-
sis, be careful not to injure your hands.
1. Rinse off loose dirt with a hose. Re- move any mud or road salt from the
underside of the vehicle or in the wheel
wells.
2. Wash with a mild car-wash soap, mixed according to the manufacturer's
instructions. Use a soft cotton mitt and
keep it wet by dipping it frequently into
the wash water. Do not rub hard-let the soap and water remove the dirt.
Aluminum wheels: Use only a mild soap or
neutral detergent.
Road tar: Remove with turpentine or
cleaners that are marked safe for painted surfaces.
Do not use gasoline or strong
solvents, which may be toxic or
cause damage.
NOTICE
Washing and waxing your
Toyota

182
Do not use solvent, thinner, gas-oline or window cleaner on the in-
terior.
NOTICE
Carpets
Use a good foam-type shampoo to
clean the carpets.
Begin by vacuuming thoroughly to re-
move as much dirt as possible. Several
types of foam cleaners are available; some are in aerosol cans and others are
powders or liquids which you mix with wa-
ter to produce a foam. To shampoo the
carpets, use a sponge or brush to apply the foam. Rub in overlapping circles.
Do not apply water ± the best results are obtained by keeping the carpet as dry as possible. Read the shampoo instructions
and follow them closely. Seat belts
The seat belts may be cleaned with
mild soap and water or with lukewarm
water.
Use a cloth or sponge. As you are clean-
ing, check the belts for excessive wear,
fraying, or cuts.
Do not use dye or bleach on the
beltsÐit may weaken them.
NOTICE
Windows
The windows may be cleaned with any
household window cleaner.
When cleaning the inside of the
windows, be careful not to scratch
or damage the heater wires on therear window.
NOTICE
Air conditioning control panel, car au-
dio, instrument panel, console panel,
and switches Use a soft damp cloth for cleaning.
Soak a clean soft cloth in water or luke-
warm water then lightly wipe off any dirt.
Do not use organic substances
(solvents, kerosene, alcohol, gas-
oline, etc.) or alkaline or acidic
solutions. These chemicals cancause discoloring, staining or
peeling of the surface.
If you use cleaners or polishingagents, make sure their ingredi-
ents do not include the sub-
stances mentioned above.
If you use a liquid car freshener, do not spill the liquid onto the ve-
hicle's interior surfaces. It maycontain the ingredients men-
tioned above. Immediately clean
any spill using the method men-tioned above.
NOTICE
Leather Interior
The leather upholstery may be cleaned
with neutral detergent for wool. Remove dirt using a soft cloth dampened
with 5 % Solution of neutral detergent for
wool. Then thoroughly wipe off all traces
of detergent with a clean damp cloth.

188Automatic transmission Parkº
mech-
anism
Check the lock release button of the se-
lector lever for proper and smooth opera-
tion. On a safe incline, check that your ve-
hicle is held securely with the selector lever in ºPº position and all brakes re- leased.
IN THE ENGINE COMPARTMENT Items listed below should be checked
from time to time , e.g. each time when
refueling.
Washer fluid
Make sure there is sufficient fluid in the
tank. See Chapter 7-3 for additional infor-
mation.
Engine coolant level Make sure the coolant level is between
the FULLº and LOWº lines on the see-
through reservoir when the engine is cold.
See Chapter 7-2 for additional informa-tion.
Battery electrolyte level Make sure the electrolyte level of all bat-
tery cells is between upper and lower level
lines on the case. Add only distilled water
when replenishing. See Chapter 7-3 for
additional information. Brake fluid level
Make sure the brake fluid level is correct. See Chapter 7-2 for additional informa- tion.
Engine oil level
Check the l
evel on the dipstick with the en-
gine turned off and the vehicle parked on
a level spot. See Chapter 7-2 for addition-
al information. Power steering fluid level Check the level through the reservoir. The
level should be in the HOTº or COLDº
range depending on the fluid t emperature.
See Chapter 7-2 for additional informa- tion.
Exhaust system
If you notice any change in the sound of
the exhaust or smell exhaust fumes, have the cause located and corrected immedi-
ately. (See engine exhaust cautions in
Part 2.) Be on the alert for changes in perfor-
mance, sounds, and visual tip-offs
that in-
dicate service is needed. Some important
clues are as follows: Engine missing, stumbling, or pinging
Appreciable loss of power
Strange engine noises
A leak under the vehicle (however, wa-
ter dripping from the air conditioning
after use is normal.)
Change in exhaust sound (This may
indicate a dangerous carbon monox-
ide leak. Drive with the windows open
and have the exhaust system checked
immediately.)
Flat-looking tire; excessive tire squeal
when cornering; uneven tire wear
Vehicle pulls to one side when drivingstraight on a level road
Strange noises related to suspensionmovement
Loss of brake effectiveness; spongy
feeling brake or clutch pedal; pedal al-
most touches floor; vehicle pulls to one
side when braking
Engine coolant temperature continual-
ly higher than normal
Does your vehicle need repairing?

196
Do not drive with the air cleaner fil-
ter removed, or excessive engine
wear could result. Also backfiringcould cause a fire in the enginecompartment
Be careful not to scratch the glass
surface with the wiper frame.
When closing the engine hood,check to see that you have not for-
gotten any tools, rags, etc.
Here is a list of parts and tools you will
need on performing do-it-yourself main-
tenance. Remember all Toyota parts are
designed in metric sizes, so your tools
must be metric. Checking the engine oil level Parts (if level is low): Engine oil API SH, Energy-Conserv-
ing IIº multigrade or ILSAC multigrade
having viscosity proper for your cli- mate
Tools: Rag or paper towel
Funnel (only for adding oil)
Checking the engine coolant level Parts (if level is low): Ethylene-glycol antifreeze
Demineralized or distilled water
Tools: Funnel (only for adding coolant)
Checking brake fluid Parts (if level is low): SAE J1703 or FMVSS No. 116 DOT 3 brake fluid
Tools: Rag or paper towel
Funnel (only for adding fluid) Checking power steering fluid Parts (if level is low):
Automatic transmission fluid DEX- RON [
-II or III
Tools: Rag or paper towel
Funnel (only for adding fluid)
Checking battery condition Non-maintenance batteriesÐ
Tools: Warm water
Baking soda
Grease
Conventional wrench (for terminal clamp bolts)
Maintenance batteriesÐ Parts (if level is low): Distilled water
Tools: Warm water
Baking soda
Grease
Conventional wrench (for terminal clamp bolts)
Coin (for vent plugs)
Funnel (only for adding distilled water)
Parts and tools

204Check the tires regularly for damage
such as cuts, splits and cracks. If any
damage is found, consult with a tech-
nician and have the tire repaired or re- placed. Even if the damage does not appear seri-
ous, a qualified technician should ex-
amine the damage. Objects which have penetrated the tire may have caused in-ternal damage.
Any tires which are over six years old
must be checked by a qualified techni-
cian even if damage is not obvious.
Tires deteriorate with age even if they
have never or seldom been used.
This
also applies to the spare tire and tires
stored for future use. REPLACING YOUR TIRES
When replacing a tire, use only the
same size and construction as origi-
nally installed and with the same or
greater load capacity.
Using any other size or type of tire may se-
riously affect handling, ride, speedomeet-
er/odometer calibration, ground clear-
ance, and clearance between the body
and tires or snow chains.
CAUTION!
Do not mix radial, bias belted, or
bias-ply tires on your vehicle. It
can cause dangerous handling
characteristics, resulting in loss
of control.
Do not use tire or wheels other
than the manufacturer's recom-
mended size.
Toyota recommends all four tires, or at
least both of the front or rear tires be
replaced at a time as a set.
See If you have a flat tireº in Part 4 for tire
change procedure.
When a tire is replaced, the wheel
should always be balanced.
An unbalanced wheel may affect vehicle
handling and tire life. Wheels can get out
of balance with regular use and should
therefore be balanced occasionally.
When replacing a tubeless tire, the air
valve should also be replaced with a
new one.
To equalize tire wear and help extend
tire life, Toyota recommends that you
rotate your tires every 12000 km (7500
miles). However, the most appropriate
timing for tire rotation may vary ac-
cording to your driving habits and
road surface conditions.
See If you have a flat tireº in Part 4 for tire
change procedure. When rotating tires, check for even wear
and damage. Abnormal wear is usually
caused by incorrect tire pressure, improp-
er wheel alignment, out-of-balance
wheels, or severe braking.
Rotating tires

+25 -15
218
Model:
3RZ-FE and 5VZ-FE
Type: 3RZ-FE engine4 cylinder in line, 4 cycle, gasoline
5VZ-FE engine 6 cylinder V type 4 cycle, gasoline
Bore and stroke, mm (in.):
3RZ-FE engine95.0 x 95.0 (3.74 x 3.74)
5VZ-FE engine
93.5 x 82.0 (3.68 x 3.23)
Displacement, cm 3
(cu. in.):
3RZ-FE engine
2694 (164.3)
5VZ-FE engine 3378 (206.1) Fuel type:
Unleaded gasoline, Research OctaneNumber 91 (Octane Rating 87) or higher
Fuel tank capacity, L (gal., Imp. gal.):
70 (18.5, 15.4) ENGINE
Valve clearance (engine cold), mm (in.)
3RZ-FE engine
Intake 0.15 '0.25 (0.006 '0.010)
Exhaust 0.25 '0.35 (0.010 '0.014)
5VZ-FE engine
Intake 0.13 '0.23 (0.006 '0.009)
Exhaust 0.27 '0.37 (0.011 '0.014)
Spark plug type:
3RZ-FE enginesNIPPONDENSO K16R-U
NGK BKR5EYA
5VZ-FE engine
NIPPONDENSO K16TR11
NGK BKR5EKB11
Spark plug gap, mm (in.): 3RZ-FE engine 0.8 (0.031)
5VZ-FE engine 1.1 (0.043)
Drive belt tension measured with Bor-
roughs drive belt tension gauge No.
BT-33-73F (used belt), lbf: 3RZ-FE engineGenerator belt 115 + 20
Air conditioning compressor belt 100 + 20
Power steering pump belt 100
Service specifications
Fuel
Engine

+20 -15219
5VZ-FE engine
Generator belt 100 + 20
Air conditioning compressor belt 100 + 20
Power steering
pump belt 100
ENGINE LUBRICATION Oil capacity (drain and refill), L (qt., Imp. qt.): 3RZ-FE engineWith filter 5.4 (5.7, 4.8)
Without filter 4.9 (5.0, 4.1)
5VZ-FE engine With filter 5.2 (5.5, 4.6)
Without filter 4.9 (5.2, 4.3) Oil grade:
API SH, Energy-Conserving IIº multi-
grade engine oil or ILSAC multigrade en-
gine oil is recommended. Recommended oil viscosity (SAE):
COOLING SYSTEM
Total capacity, L (qt., Imp. qt.):
3RZ-FE engineWith rear heater 11.0 (11.6, 9.7)
Without rear heater 10.0 (10.6, 8.8)
5VZ-FE engine With rear heater
9.0 (9.5, 7.9)
Without rear heater
8.0 (8.5, 7.0) Coolant type: With ethylene-glycol antifreeze (Do not use alcohol type.)
BATTERY ÐMaintenance type battery
Specific gravity reading at 20
C (68 F):
1.280 Fully charged1.180 Half charged 1.080 Discharged
ÐNon-maintenance batteryOpen voltage* at 20 C (68 F):
12.7 V Fully charged12.3 V Half charged
11.9 V Discharged
*: Voltage that is checked 20 minutes af-
ter the key is removed with all the lights
turned off
Charging rates:
Non-maintenance battery 5 A max. Maintenance type battery
Quick charge 15 A max.
Slow charge 5 A max.
CLUTCH
Pedal freeplay, mm (in.): 5Ð15 (0.2Ð0.6)Fluid type:
SAE J1703 or FMVSS No. 116 DOT 3