1991 LEXUS SC400 Service Repair Manual

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Page 2169 of 4087

LEXUS SC400 1991 Service Repair Manual
26. FINAL INSPECTION
(a) Check the operation of the body parts:wHood:
Auxiliary catch operates properly Hood locks securely
when closed
w Doors:
Door locks operate properly Doors close properly
w Lu

Page 2170 of 4087

LEXUS SC400 1991 Service Repair Manual
GENERAL MAINTENANCE
MA00M±03
There are the maintenance and inspection
items which are considered to be the owners
responsibility. They can be performed by the
owner or be can have them done at a se

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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Page 2171 of 4087

LEXUS SC400 1991 Service Repair Manual
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,

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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Page 2172 of 4087

$LEXUS SC400 1991 Service Repair Manual SERVICE SPECIFICATIONS SERVICE DATA PR036±03 Shaft runout Limit\ \ 0.8 mm (0.031 in.) Joint angle$

SERVICE SPECIFICATIONS
SERVICE DATA
PR036±03 Shaft runout Limit\
\
0.8 mm (0.031 in.)
Joint angle No.2 joint\
\
±15 01 ' + 36 '
No.3 joint\
\
54' + 36 '
TORQUE SPECIFICATIONS
PR037±04
\
\
Part tightened NVm kgf Vcm ft Vlbf
\
\
Propeller shaft x Differential 79 805 58
\
\
Propeller shaft x Intermediate shaft 74 750 54
\
\
Intermediate shaft x Center bearing x Universal joint flange
\
\
1st 181 1,850 134
\
\
2nd Loosen nut Loosen nut Loosen nut
\
\
3rd 69 700 51
\
\
Center support bearing x Body 49 500 36
\
\
Oxygen senser x Exhaust front pipe 44 450 33
\
\
Exhaust front pipe x Exhaust manifold 43 440 32
\
\
Exhaust center pipe x Exhaust front pipe 43 440 32
\
\
Exhaust center pipe x Exhaust rear pipe 19 195 14
\
\
Crossmember x Body 13 130 8
\
\
Heat insulator x Body 5.4 55 48 in. Vlbf
PR±36±
PROPELLER SHAFT SERVICE SPECIFICATIONS
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Page 2173 of 4087

LEXUS SC400 1991 Service Repair Manual
PROPELLER SHAFT
PR±1
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Page 2174 of 4087

$LEXUS SC400 1991 Service Repair Manual DESCRIPTION (SC400) PR02N±04 The propeller shaft is a 2±part type, each part consisting of a strong, \ compact precisely balanced tube. The propeller shaft is connected to the transmission and the$

Page 2175 of 4087

$LEXUS SC400 1991 Service Repair Manual PREPARATION SST (SPECIAL SERVICE TOOLS) PR01A±04 RECOMMENDED TOOLS PR01B±02 EQUIPMENT PR01C±02 \ \ \ $

Page 2176 of 4087

$LEXUS SC400 1991 Service Repair Manual PRECAUTION PR02P±02 Be careful not to grip the propeller shaft tube too tightly in the vise \ as this will cause deformation. TROUBLESHOOTING PR019±09 Use the table to help you find the cause of th$

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