radiator cap TOYOTA HIGHLANDER 2001 Service User Guide

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1. Engine coolant reservoir
2. Power steering fluid reservoir
3. Engine oil level dipstick
4. Engine oil filler cap
5. Fuse blocks
6. Brake fluid reservoir
7. Battery
8. Radiator
9. Condenser
10. Electric cooling fans
11. Windshield and rear window washer
fluid tank
3MZ- FE engine

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If you perform maintenance by yourself,
be sure to follow the correct procedure
given in this Section.
You should be aware that improper or in-
complete servicing may result in operating
problems.
Performing do- it- yourself maintenance
during the warranty period may affect your
warranty coverage. Read the separate
Toyota Warranty statement for details and
suggestions.
This Section gives instructions only for
those items that are relatively easy for an
owner to perform. As explained in Section
6, there are still a number of items that
must be done by a qualified technician
with special tools.
For information on tools and parts for do-
it- yourself maintenance, see Parts and
toolsº on page 377 in this Section.
Utmost care should be taken when work-
ing on your vehicle to prevent accidental
injury. Here are a few precautions that
you should be especially careful to ob-
serve:CAUTION
When the engine is running, keep
hands, clothing, and tools away
from the moving fan and engine
drive belts. (Removing rings,
watches, and ties is advisable.)
Right after driving, the engine
compartmentÐthe engine, radiator,
exhaust manifold, power steering
fluid reservoir and spark plug
boots, etc.Ðwill be hot. So be care-
ful not to touch them. Oil, fluids
and spark plugs may also be hot.
If the engine is hot, do not remove
the radiator cap or loosen the drain
plugs to prevent burning yourself.
Do not leave anything that may
burn easily, such as paper or rags,
in the engine compartment.
Do not smoke, cause sparks or al-
low open flames around fuel or the
battery. Their fumes are flammable.
Do not get under your vehicle with
just the body jack supporting it. Al-
ways use automotive jack stands or
other solid supports.
Be sure that the ignition is off if
you work near the electric cooling
fans or radiator grille. With the
ignition on, the electric cooling fans
will automatically start to run if the
engine coolant temperature is high
and/or the air conditioning is on.
Use eye protection whenever you
work on or under your vehicle
where you may be exposed to flying
or falling material, fluid spray, etc.
Used engine oil contains potentially
harmful contaminants which may
cause skin disorders such as in-
flammation or skin cancer, so care
should be taken to avoid prolonged
and repeated contact with it. To re-
move used engine oil from your
skin, wash thoroughly with soap
and water.
Do not leave used oil within the
reach of children.
Dispose of used oil and filter only
in a safe and acceptable manner.
Do not dispose of used oil and fil-
ter in household trash, in sewers or
onto the ground. Call your dealer or
a service station for information
concerning recycling or disposal.
Do- it- yourself service
precautions

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Look at the see- through coolant reser-
voir when the engine is cold. The cool-
ant level is satisfactory if it is between
the Fº and Lº lines on the reservoir.
If the level is low, add the coolant. (For
the coolant type, see Coolant type
selectionº described below.)
The coolant level in the reservoir will vary
with engine temperature. However, if the
level is on or below the Lº line, add
coolant. Bring the level up to the Fº line.
If the coolant level drops within a short
time after replenishing, there may be a
leak in the system. Visually check the
radiator, hoses, radiator cap and drain
cock and water pump.
If you can find no leak, have your Toyota
dealer test the cap pressure and check
for leaks in the cooling system.
CAUTION
To prevent burning yourself, do not
remove the radiator cap when the en-
gine is hot.
Coolant type selection
Use of improper coolants may damage
your engine cooling system.
Only use Toyota Super Long Life Coolantº
or similar high quality ethylene glycol
based non- silicate, non- amine, non- nitrite,
and non- borate coolant with long- life
hybrid organic acid technology. (Coolant
with long- life hybrid organic acid
technology is a combination of low
phosphates and organic acids.)
For the U.S.A.ÐToyota Super Long Life
Coolantº is a mixture of 50% coolant and
50% deionized water. This coolant pro-
vides protection down to about -35C
(- 31F).
For CanadaÐToyota Super Long Life
Coolantº is a mixture of 55% coolant and
45% deionized water. This coolant pro-
vides protection down to about -42C
(- 44F).
NOTICE
Do not use plain water alone.
Toyota recommends Toyota Super Long
Life Coolantº, which has been tested to
ensure that it will not cause corrosion nor
result in malfunction of your engine
coolant system with proper usage. Toyota
Super Long Life Coolantº is formulated
with long- life hybrid organic acid
technology and has been specifically
designed to avoid engine cooling system
malfunction on Toyota vehicles.
Please contact your Toyota dealer for
further details.
Checking the engine coolant
level

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If either of the above parts are extremely
dirty or you are not sure of their condi-
tion, take your vehicle to a Toyota dealer.
CAUTION
To prevent burning yourself, be care-
ful not to touch the radiator or con-
denser when the engine is hot.
NOTICE
To prevent damage to the radiator
and condenser, do not perform the
work by yourself.
To check the fluid level, simply look at
the see- through reservoir. The level
should be between the MAXº and
MINº lines on the reservoir.
It is normal for the brake fluid level to go
down slightly as the brake pads wear. So
be sure to keep the reservoir filled.
If the reservoir needs frequent refilling, it
may indicate a serious mechanical prob-
lem.
If the level is low, add SAE J1703 or
FMVSS No.116 DOT 3 brake fluid to the
brake reservoir.Remove and replace the reservoir cap by
hand. Fill the brake fluid to the dotted
line. This brings the fluid to the correct
level when you put the cap back on.
Use only newly opened brake fluid. Once
opened, brake fluid absorbs moisture from
the air, and excess moisture can cause a
dangerous loss of braking.
CAUTION
Take care when filling the reservoir
because brake fluid can harm your
hands or eyes. If fluid gets on your
hands or in your eyes, flush the af-
fected area with clean water immedi-
ately. If you still feel uncomfortable
with your hands or eyes, go to the
doctor.
NOTICE
If you spill some of the fluid, be sure
to wipe it off to prevent it from dam-
aging the parts or paintwork.
Checking the radiator and
condenserChecking brake fluid

(Three-Dimensional Distance)
Symbol Name Hole dia. Symbol Name Hole dia.mm (in.)
A, a
B, b
C, c
D
E, e
G, gFront fender installation nut-front
Front spring support hole-inner
Front fender installation nut-rear
Cowl top inner panel standard hole
Front side member standard hole
Radiator upper support installation nut6 (0.24) nut
11 (0.43)
6 (0.24) nut
8 (0.31)
18 (0.71)
6 (0.24) nutH, h
I
J, j
K, k
L, l
M, m
N, n
ÐFront crossmember side gusset standard hole
Hood lock support installation nut
Front bumper reinforcement installation nut
Radiator upper support installation nut
Radiator support standard hole
Front Fender apron to cowl side member standard hole
Hood hinge installation nut-rear
Ð15 (0.59)
6 (0.24) nut
10 (0.39) nut
6 (0.24) nut
10 (0.39)
10 (0.39)
8 (0.31) nut
Ð Front side member standard hole F, f
C-N
or D-E D-e H-h L-l
c-n
106 988 985 860 1,461
(4.17) (38.90) (38.78) (33.86) (57.52)
Vehicle Dimensions
RH : 18 (0.71)
LH : 13 (0.51)
A, a G, g N, n
756 724 858
(29.76) (28.50) (33.78)
Height from lmaginary Standard Line
HINT: For symbols, capital letters indicate right side of vehicle,
small letters indicate left side of vehicle (seen from rear).
1,479
(58.23)
709
(27.91)1,612
(63.46)
1,562
(61.50)555
(21.85)1,289
(50.75)848
(33.39)289
(11.38)
526
(20.71)
1,068
(42.05)
1,462
(57.56)1,418
(55.83)936
(36.85)
848
(33.39)702
(27.64)1,062
(41.81)1,064
(41.89)
712
(28.03)851
(33.50)
334
(13.15)682
(26.85)996
(39.21)648
(25.51)
580
(22.83)1,036
(40.79)
531
(20.91)
BODY DIMENSIONSDI-3
BODY DIMENSION DRAWINGS
ENGINE COMPARTMENT