1991 LEXUS SC400 oil change

PREPARATION
SST (SPECIAL SERVICE TOOLS)
RECOMMENDED TOOLS
EQUIPMENT
Part NameNote
Oil pressure gauge
Precision straight edgeOil pump
Torque wrench
LUBRICANT
Item
Capacity
ClassificationItemLitersUS qtslmp. qtsClassification
Engine oilAPI grade SG, Energy±Conserving II
Dry fill606353multigrade. Recommended viscosity is
Drain and refill6.06.35.3gy
as shown, with SAE 5W±30 being the
w/ Oil filter change 4.85.14.2preferred engine oil.
w/o Oil filter change4.54.85.3
g
SSM (SPECIAL SERVICE MATERIALS)
Part NamePart No.Use etc.
Seal packing or equivalent08826±00080Oil pump, Oil pan
Adhesive 1344,
Three bond 1344,08833±00080Oil pressure switch
Loctite 242 or equivalent
LU±4±
LUBRICATION SYSTEM System Circuit, Operation
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(d) Lightly screw the oil filter into place, and tighten it untilthe gasket contacts the seat.
(e) Using SST, tighten it an additional 3/4 turn.
SST 09228±07500
3. FILL WITH ENGINE OIL (a) Clean and install the oil drain plug with a new gasket.
Torque: 45 N Vm (450 kgf Vcm, 33 ft Vlbf)
(b) Fill with fresh engine oil.
Oil grade: See page LU±5
Capacity:
Drain and refill w/ Oil filter change
4.8 liters (5.1 US qts, 4.2 lmp. qts)
w/o Oil filter change
4.5 liters (4.8 US qts, 4.0 lmp. qts)
Dry fill 5.2 liters (5.5 US qts, 4.6 lmp. qts)
(c) Reinstall the oil filler cap.
4. START ENGINE AND CHECK FOR LEAKS
5. RECHECK ENGINE OIL LEVEL (See page LU±5)
LU±8
±
LUBRICATION SYSTEM Replacement of Engine Oil and Oil Filter
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MA033±0C
SCHEDULE B
CONDITIONS:
Conditions others than those listed for SCHEDULE A.Maintenance operation: A = Check and adjust if necessary. R = Replace, change or lubricate.
I = Inspect and correct or replace if necessary.
V04409

mark indicates maintenance which is part of the warranty conditions for\
the Emission Control Systems.
The warranty period is in accordance with the owner's guide or the warranty booklet.
(
: California and New York specification vehicles only)
(1) Includes inspection of fuel tank band and vaper vent system.
(2) Also applicable to drum lining for parking brake.
(3) Check for leakage.
(4) Check for oil leaks from steering gear housing.
(5) The applicable parts are listed below. Front and rear suspension member to cross body.
 Bolts for seat installation.
MA±4
±
MAINTENANCE (1UZ ± FE)
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PREPARATION
EG0AZ±0A
RECOMMENDED TOOLS
MA009±02
EQUIPMENT
\
 
\

\
Dial indicator with magnetic base 


\
 \
Micrometer
\
 
\

\
MirrorBrake hose
\
 
\

\

Steel square
\
 \
Thermometer
\
 
\

\
Torque wrench
\
 \
Vernier calipers
MA00B±02
COOLANT 
Item
 
Capacity
 
Classification 

Engine coolant (w/ Heater)10.8 liters (11.4 US qts, 9.5 lmp. qts)Ethylene±glycol base
MA00D±0E
LUBRICANT
 Item Capacity Classification 

Engine oil (Drain and refill)
w/ Oil filter change
/ Oil filt h
 

4.8 liters (5.1 US qts, 4.2 lmp. qts)
 

API grade SG or SH, Energy±Conserving II
or ILSAC multigrade, and recommended
 


g
w/o Oil filter change 


4.8 liters (5.1 US qts, 4.2 lm. qts)
4.5 liters (4.8 US qts, 4.0 lmp. qts) 


or ILSAC multigrade, and recommended
viscosity oil with SAE 5W±30 being pre-
ferred engine oil
 Brake fluid Ð SAE J1703 or FMVSS No.116 DOT3
 Automatic transmission fluid 1.9 liters (2.0 US qts, 1.7 lmp. qts) ATF TYPE T±II

Automatic transmission fluid
(Drain and refill)
1.9 liters (2.0 US qts, 1.7 lm . qts)

AT F TYPE TII
 




Differential oil 




1.35 liters (1.43 US qts, 1.19 lmp. qts) 




Hypoid gear oil API GL±5
Above±18
5C (0 5F): SAE 90
Below±18 5C (0 5F): SAE 80W±90 or 80W
±
MAINTENANCE (1UZ ± FE)MA±5
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6. REPLACE ENGINE OIL AND OIL FILTER(See Lubrication System on page EG±497)
Oil grade:
API grade SG or SH, Energy±Conserving II or ILSAC
multigrade engine oil. Recommended viscosity is as
shown in the illustration, with SAE 5W±30 being the
preferred engine oil.
Drain and refill capacity:
w/ Oil filter change
4.8 liters (5.1 US qts, 4.2 lmp. qts)
w/o Oil filter change
4.5 liters (4.8 US qts, 4.0 lmp. qts)
7. REPLACE ENGINE COOLANT (See Cooling System on page EG±425)
Coolant capacity (w/ Heater):
10.8 liters (11.4 US qts, 9.5 lmp. qts)
HINT:
wUse a good brand of ethylene±glycol base coolant and
mix it according to the manufacturer's directions.
w Using coolant which includes more than 50 %
ethylene±glycol (but not more than 70 %) is
recommended.
NOTICE:
w Do not use a alcohol type coolant.
w The coolant should be mixed with demineralized water or
distilled water.
8. INSPECT CHARCOAL CANISTER
(a) Remove the charcoal canister.
(See Emission Control System on page EG±221)
(b) Visually inspect the canister case.
(c) Check for crogged each port and stuck check valve. wUsing low compressed air (4.71 kPa (48 gf/cm
2, 0.68
psi)), blow into port A and check that air flows without
resistance from the other ports.
w Blow low compressed air (4.71 kPa (48 gf/cm
2, 0.68
psi)) into port B and check that air does not flow from the
other ports.
If operation is not as specified, replace the charcoal canister.
±
MAINTENANCE (1UZ ± FE)MA±9
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18. INSPECT SRS AIRBAGDriver Airbag:
Visually inspect the steering wheel pad (airbag and inflater).
wUse the diagnosis check to check if there are
abnormalities.
w Check that there are no cuts, cracks or noticeable color
changes on the surface of the steering wheel pad or in
the center groove of the pad.
w Remove the steering wheel pad from the vehicle and
check the wiring and steering wheel for damage and
corrosion due to rusting, etc.
If necessary, replace the steering wheel pad.
Front Passenger Airbag:
Visually inspect the front passenger airbag assembly (airbag
and inflater).
w Use the diagnosis check to check if there are
abnormalities.
w Check that there are no cuts, cracks or noticeable color
changes in the front passenger airbag door.
w Remove the front passenger airbag assembly from the
vehicle and check the wiring and front passenger airbag
door for damage and corrosion due to rusting, etc.
If necessary, replace the front passenger airbag assembly.
CAUTION:
w For removal and replacement of the steering wheel pad
or front passenger airbag assembly, see page RS±28 and
be sure to perform the operation in the correct order.
w Before disposing of the steering wheel pad or front
passenger airbag assembly must first be deployed by
using SST and wiring harness connector (See page
RS±28 ).
19. INSPECT STEERING GEAR HOUSING OIL
Check the steering gear housing for oil leakage.
MA±14
±
MAINTENANCE (1UZ ± FE)
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GENERAL MAINTENANCE
MA00M±03
There are the maintenance and inspection
items which are considered to be the owner's
responsibility. They can be performed by the
owner or be can have them done at a service
shop. These items include those which should
be checked on a daily basis, those which, in
most cases, do not require (special) tools and
those which are considered to be reasonable
for the owner to perform. Items and procedures
for general maintanance are as follows:
MA00P±04
OUTSIDE VEHICLE
1. TIRES
(a) Check the pressure with a gauge. Adjust ifnecessary.
(b) Check for cuts, damage or excessive wear.
2. WHEEL NUTS Wheel checking the tires, check the nuts for
looseness or for missing nuts. If necessary,
tighten them.
3. TIRE ROTATION It is recommended that tires be rotated every
12,000 km (7,500 miles).
4. WINDSHIELD WIPER BLADES Check for wear or cracks whenever they do not
wipe clean. Replace if necessary.
5. FLUID LEAKS
(a) Check underneath for leaking fuel, oil, water or
other fluid.
(b) If you smell gasoline fumes or notice any leak, have the cause found and corrected.
6. DOORS AND ENGINE HOOD
(a) Check that all doors including the trunk lid operate smoothly, and that all latches lock
securely.
(b) Check that the engine hood secondary latch secures the hood from opening when the
primary latch is released.
MA00R±05
INSIDE VEHICLE
7. LIGHTS
(a) C h e c k t h a t t h e h eadlights, stop lights,
tail±lights, turn signal lights, and other lights
are all working. (b) Check the headlight aiming.
8. WARNING LIGHT AND BUZZERS
Check that all warning lights and buzzers func-
tion properly.
9. HORN Check that it is working.
10. WINDSHIELD GLASS
Check for scratches, pits or abrasions.
11. WINDSHIELD WIPER AND WASHER
(a) Check operation of the wipers and washer.
(b) Check that the wipers do not streak.
12. WINDSHIELD DEFROSTER Check that the air comes out from the defroster
outlet when operating the heater air condition-
er at defroster mode.
13. REAR VIEW MIRROR
Check that it is mounted securely.
14. SUN VISORS Check that they move freely and are mounted
securely.
15. STEERING WHEEL Check that it has the specified freeplay. Be
alert for changes in steering condition, such as
hard steering, excessive freeplay or strange
noise.
16. SEATS
(a) Check that all front seat controls such as seat adjusters, seatback recliner, etc. operate
smoothly.
(b) Check that all latches lock securely in any position.
(c) Check that the locks hold securely in any latched position.
(d) Check that the head restraints move up and
down smoothly and that the locks hold securely
in ay latches position.
(e) For folding±down rear seat backs, check that the latches lock securely.
17. SEAT BELTS
(a) Ch e ck th a t th e se a t be lt syste m su ch as buckles, retractors and anchors operate
properly and smoothly.
(b) Check that the belt webbing is not cut, frayed,
worn or damaged.
18. ACCELERATOR PEDAL Check the pedal for smooth operation and un-
even pedal effort or catching.
±
MAINTENANCE (1UZ ± FE)MA±19
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19. BRAKE PEDAL
(a) Check that pedal for smooth operation.
(b) Check that the pedal has the proper reservedistance and freeplay.
(c) Check the brake booster function.
20. BRAKES At a safe place, check that the brakes do not
pull to one side when applied.
21. PARKING BRAKE
(a) Check that the pedal has the proper travel.
(b) On a safe incline, check that the vehicle is held securely with only the parking brake applied.
22. A U TO M AT I C T RANSMISSION PARK
MECHANISM
(a) Check the lock release button of the selector lever for proper and smooth operation.
(b) On a safe incline, check that the vehicle is held securely with the selector lever in the ªPº
position and all brakes released.
MA00T±0A
UNDER HOOD
23. WINDSHIELD WASHER FLUIDCheck that there is sufficient fluid in the tank.
24. ENGINE COOLANT LEVEL
Check that the coolant level is between the
LEVEL lines on the see±through reservoir at
normal temperature (20 5C (68 5F)).
25. RADIATOR AND HOSES
(a) Check that the front of the radiator is clean and not blocked with leaves, dirt or bugs.
(b) Check the hoses for cracks, kinks, rot or loose connections.
26. BATTERY ELECTROLYTE LEVEL
Check the indicator.
When the indicator color is blue, the condition
is satisfactory. A red color indicates that dis-
tilled water must be added, and white indicates
that charging is necessary. 27. BRAKE FLUID LEVEL
Check that the brake fluid level is near the up-
per level line on the see±through reservoir.
28. ENGINE DRIVE BELT Check drive belt for fraying, cracks, wear or oili-
ness.
29. ENGINE OIL LEVEL
Check that level on the dipstick with the engine
turned off.
30. POWER STEERING FLUID LEVEL Check the level on the dipstick.
The level should be in the ªHOTº or ªCOLDº
range depending on the fluid temperature.
31. AUTOMATIC TRANSMISSION FLUID LEVEL
(a) Park the vehicle on a level surface.
(b) With the engine idling and the parking and foot brake applied, shift the selector into all
positions from ªPº to ªLº, and then shift into ªPº.
(c) Turn and pull out the dipstick and wipe off the fluid with a clean rag.
Re±insert the dipstick fully and check that the
fluid level is in the ªHOTº range.
(d) Perform this check with the fluid at normal driving temperature (70 ± 80
C (158 ± 176
F)).
If the level is at the low side, add fluid.
NOTICE: Do not overfill.
HINT: Wait about 30 minutes before checking
the fluid level after extended driving at high
speeds in hot weather, driving in heavy traffic
or with a trailer.
32. EXHAUST SYSTEM Visually inspect for cracks, holes or loose sup-
ports.
If any change in the sound of the exhaust or
smell of the exhaust fumes is noticed, have the
cause located and corrected.
MA±20
±
MAINTENANCE (1UZ ± FE)
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