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Lexus SC300 / Lexus SC400. Manual - part 538

SERVICE SPECIFICATIONS

SERVICE DATA

MA002–0B

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Engine

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Spark plug

Recommended spark plug

Correct electrode gap

Firing order
Valve clearance

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NGK

Intake

Exhaust

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PK20R11
BKR6EP11
1.1 mm (0.043 in.)
1 – 8 – 4 – 3 – 6 – 5 – 7 – 2
0.15 – 0.25 mm (0.006 – 0.010 in.)
0.25 – 0.35 mm (0.010 – 0.014 in.)

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Brake

Front and rear brakes

Pad thickness
Disc thickness

Limit

Limit (Front)

(Rear)

1.0 mm (0.039 in.)
30.0 mm (1.181 in.)
15.0 mm (0.591 in.)

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Disc runout

Parking brake

Lining thickness
Drum inside diameter

(

)

Limit

Limit
Limit

(

)

0.05 mm (0.0020 in.)

1.0 mm (0.039 in.)
191 mm (7.520 in.)

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Chassis

Steering linkage
Steering wheel freeplay

Limit 30 mm (1.18 in.)

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Ball joint
Vertical play

Limit

(

)

0.3 mm (0.012 in.)

MA002–0B

TORQUE SPECIFICATIONS

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Part tightened

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⋅

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kgf

⋅

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⋅

lbf

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Spark plug x Cylinder head

180

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Front seat x Body

375

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Front suspension crossmember x Body

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for nut

127

1,300

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for bolt

201

2,050

148

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Rear suspension member x Body

176

1,800

130

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Rear suspension member rear cushion x Body

390

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MAINTENANCE

(1UZ – FE)

MA–21

MAINTENANCE

GENERAL NOTES:

•

There are 2 separate maintenance schedules,
namely A and B, which apply to different driving
conditions. Find out how the vehicle is driven,
select the appropriate schedule and service the
vehicle accordingly.

•

Every service item in the periodic maintenance list
must be performed.

•

Next to the columns of periods in the schedule,
reference pages have been added for easy access
to service data and procedures necessary for each
operation.

•

The service interval for scheduled maintenance is
determined by the odometer reading or time
interval, whichever comes first, shown in the
schedule.

•

Maintenance services after the last period should
be performed at the same interval as before unless
otherwise noted.

•

Skipping even 1 item in the list can cause the
engine to run poorly and increase exhaust
emissions.

MA–1

(1UZ–FE)
MAINTENANCE SCHEDULE

MA04E–01

SCHEDULE A

CONDITIONS:

Towing a trailer, using a camper or car top carrier.

Repeated short trips of less than 8 km (5 miles) with outside temperature remaining below freezing.

Extensive idling and/or low speed driving for long distances, such as police, taxi or door–to–door
delivery use.

Operating on dusty, rough, muddy or salt spread roads.

Maintenance operation:

A = Check and adjust if necessary.
R = Replace, change or lubricate.
I = Inspect and correct or replace if necessary.

V04408

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) Applicable to vehicles operated under conditions of extensive idling and/or low speed driving for long

distances such as police, taxi or door–to–door delivery use.

(2) Applicable when operating mainly on dusty roads.
(3) Includes inspection of fuel tank band and vaper vent system.

MA–2

–

MAINTENANCE

(1UZ – FE)

V04535

(4)  Also applicable to drum lining for parking brake. For other usage conditions, refer to SCHEDULE B.
(5)  Check for leakage.
(6)  Check for oil leaks from steering gear housing.
(7)  Applicable only when operating mainly on rough, muddy roads. The applicable parts are listed below. For

other usage conditions, refer to SCHEDULE B.

Front and rear suspension member to cross body.

Bolts for seat installation.

–

MAINTENANCE

(1UZ – FE)

MA–3

Content .. 536 537 538 539 ..