steering lexus LS400 1994 Gauges, Meters and Service Reminder Indicators / 1994 LS400: MAINTENANCE

MAINTENANCE
170Tire rotation
Rotate the tires every 12000 km (7500 miles). See page 212
for additional information.
Windshield wiper blades
Check for wear or cracks whenever they do not wipe clean.
Fluid leaks
Check underneath for leaking fuel, oil, water or other fluid after
the vehicle has been parked for a while. If you smell fuel fumes
or notice any leak, have the cause found and corrected
immediately.
Doors and engine hood
Check that all doors, including trunk lid, operate smoothly and
all latches lock securely. Make sure the engine hood
secondary latch secures the hood from opening when the
primary latch is released.
Vehicle interior
Items listed below should be checked reqularly, e.g. while
performing periodic services, cleaning the vehicle, etc.
Lights
Make sure the headlights, stop lights, tail lights, turn signal
lights, and other lights are all working. Check headlight aim.Service reminder indicators and warning buzzers
Check that all service reminder indicators and warning
buzzers function properly.
Horn
Make sure it works.
Windshield glass
Check that it is free from scratches, pits or abrasions.
Windshield wipers and washer
Check operation of the wipers and washer. Make sure the
wipers do not streak.
Windshield defroster
Check that the air comes out from the defroster outlet when
operating the air conditioning.
Air conditioning outlets
Check that they deliver sufficient air.
Rear view mirror
Make sure it is mounted securely.
Sun visors
Make sure they move freely and are mounted securely.
Steering wheel
Check that it has the specified freeplay. See page 209 for
additional information. Be alert for changes in steering
condition, such as hard steering, excessive freeplay or strange
noise.

MAINTENANCE
172Brake fluid level
Make sure the brake fluid level is correct. See page 206 for
additional information.
Engine drive belt
Check belt for fraying, cracks, wear or oiliness.
Engine oil level
Check the level on the dipstick with the engine turned off and
the vehicle parked on a level spot. See page 198 for additional
information.
Power steering fluid level
Check the level on the dipstick. The level should be in the
“HOT” or “COLD” range depending on the fluid temperature.
See page 208 for additional information.
Automatic transmission fluid level
Check the level on the dipstick with the engine idling and the
selector lever in “P”. The level should be in the “HOT” or
“COOL” range according to the fluid temperature. See page
209 for additional information.
Exhaust system
Look for cracks, holes and loose supports. If you notice any
change in the sound of the exhaust or smell exhaust fumes,
have the cause located and corrected immediately. (See
engine exhaust cautions in Section 3-1.)
DOES YOUR VEHICLE NEED
REPAIRING?
Be on the alert for changes in performance and sounds, and
visual tip-offs that indicate service is needed. Some important
clues are:

Engine missing, stumbling, or pinging

Appreciable loss of power

Strange engine noises

A fluid leak under the vehicle (However, water dripping from
the air conditioning after use is normal.)

Change in exhaust sound (This may indicate a dangerous
carbon monoxide leak. Drive with the windows open and
have the exhaust system checked immediately.)

Flat-looking tires, excessive tire squeal when cornering,
uneven tire wear

Vehicle pulls to one side when driving straight on a level
road

Strange noises related to suspension movement

Loss of brake effectiveness, spongy feeling brake pedal,
pedal almost touches floor, vehicle pulls to one side when
braking

Engine coolant temperature continually higher than normal

MAINTENANCE
176SCHEDULE A
Maintenance operations:
A = Check and adjust as necessary; I = Inspect and correct or replace as necessary; R = Replace, change or lubricate.
Service interval(Use odometer reading or
months, whichever comes first.)Maintenance services beyond 96,000 km (60,000 miles) should continue to be performed at the same intervals shown for each maintenance schedule.
Miles x 1,00013.757.511.251518.7522.526.253033.7537.541.254548.7552.556.2560MonthsMaintenance items km x 1,0001.66121824303642485460667278849096
CHASSIS AND BODY
Brake linings and drumsIIIIIIIII: Every 12 months
Brake pads and discsIIIIIIIII: Every 12 months
Brake fluidIIRIRR: Every 36 months
Brake line pipes and hosesIIIII: Every 24 months
Steering linkageIIIIIIIII: Every 12 months
SRSAfter inspection at 10 years, inspect every 2 years.
Steering gear box See note (6)IIIIII: Every 24 months
Ball joints and dust coversIIIIIIIII: Every 12 months
Automatic transmission and differentialIRRRRR: Every 24 months
Bolts and nuts on chassis and body
See note (7)IIIIIIIIII: Every 12 months
Body inspection (paint, corrosion)IIIIIIIIII: Every 12 months
Air conditioning filter See note (8)RRRRR: Every 12 months
ROAD TESTIIIIIIIIII: Every 12 months
NOTE:
(6) Inspect the steering gear housing for oil leakage only.
(7) Applicable when operating mainly on rough and / or muddy roads. If not, follow schedule B.
(8) Not applicable in dusty areas.

MAINTENANCE
178SCHEDULE B
Maintenance operations:
A = Check and adjust as necessary; I = Inspect and correct or replace as necessary; R = Replace, change or lubricate.
Service interval
(Use odometer reading or months,
whichever comes first.)Maintenance services beyond 96,000 km (60,000 miles) should continue to be performed at the same intervals shown for each maintenance schedule.
Miles x 1,00017.51522.53037.54552.560MonthsMaintenance items km x 1,0001.61224364860728496
CHASSIS AND BODY
Brake linings and drumsIIIII: Every 24 months
Brake pads and discsIIIII: Every 24 months
Brake fluidIIRIRR: Every 36 months
Brake line pipes and hosesIIIII: Every 24 months
Steering linkageIIIII: Every 24 months
SRSAfter inspection at 10 years, inspect every 2 years.
Steering gear box See note (4)IIIIII: Every 24 months
Ball joints and dust coversIIIII: Every 24 months
Automatic transmission and differentialIIIIII: Every 24 months
Bolts and nuts on chassis and bodyIIIIII: Every 24 months
Body inspection (paint, corrosion)IIIIIIIIII: Every 12 months
Air conditioning filterRRRRR: Every 12 months
ROAD TESTIIIIIIIIII: Every 12 months
NOTE:
(4) Inspect the steering gear housing for oil leakage only.

MAINTENANCE
180Spark plugs
Install new plugs of the same type as originally equipped. A
qualified technician should perform this operation.
Charcoal canister
Inspect for internal damage or clogging. Clean with
compressed air or replace if necessary. A qualified technician
should perform this operation.
CHASSIS AND BODY
Brake linings and drums
Check for scoring, burning, leaking fluid, broken parts, and
excessive wear. A qualified technician should perform this
operation.
Brake pads and discs
Check the pads for excessive wear and discs for runout and
wear, and leaking fluid. A qualified technician should perform
this operation,
Brake fluid
Check for correct levels of the brake fluid. If the level is low, add
FMVSS No. 116 DOT 3 or SAE J1703 brake fluid to the brake
reservoir. Change the brake fluid as scheduled. A qualified
technician should perform these operations.Brake line pipes and hoses
Visually check for proper installation. Check for chafing,
cracks, deterioration, and any evidence of leaking. Replace
any deteriorated or damaged parts immediately. A qualified
technician should perform these operations.
Steering linkage
With the vehicle stopped, check for excessive freeplay in the
steering wheel. Check the linkage for bend or damage.
Replace any damaged parts.
Steering gear box
Inspect the steering gear box for signs of leakage. Should you
discover any leakage, have the cause found and
corrected / repaired by a qualified technician immediately.
Ball joints and dust covers
Check the suspension and steering linkage ball joints for
looseness or damage. Check all dust covers for deterioration
or damage. A qualified technician should perform these
operations.

MAINTENANCE
181 Automatic transmission fluid
Inspect for signs of leakage. Should you discover any leakage,
have the cause found and corrected / repaired by a qualified
technician immediately. Under severe driving conditions,
change the fluid and oil when scheduled.
Differential oil
Inspect the differential gear housing for signs of leakage.
Should you discover any leakage, have the cause found and
corrected / repaired by a qualified technician immediately.
When scheduled, drain and change the oil.
SRS
This should be periodically inspected by a qualified technician.
For details, see the maintenance schedule.
Bolts and nuts on chassis and body
Where necessary, retighten to specified torque.
Body inspection (paint, corrosion)
Visually check for corrosion, scratches and other damage.
Check body outer panels, underneath the vehicle, inner panels
of the hood and doors, etc. Apply touch-up paint to any chips
or scratches, or have them repaired by a qualified technician.
Air conditioning filter
Check the air flow quantity. Have the filter replaced by your
Lexus dealer according to the maintenance schedule.ROAD TEST
While driving the vehicle, check the proper operation of engine,
transmission, brakes and steering, and check for abnormal
noise or vibration from any part of the vehicle.