1991 LEXUS SC400 Service Repair Manual

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Page 2889 of 4087

$LEXUS SC400 1991 Service Repair Manual EQUIPMENT Part Name\ \ \ Note Caliper gauge$

EQUIPMENT

Part Name\

\

\
Note
Caliper gauge\
\

HC/CO meter
\

\

\

Compression gauge\

\

\
Cylinder compression pressure
Connecting rod aligner\
\

Cylinder gauge
\

\

\

Dial indicator
\

\

\

Engine turn±up tester\

\

\

Feeler gauge\
\

Micrometer
\

\

\

Precision straight edge\

\

\

Spring tester\
\
Valve spring

Steel square
\

\

\
Valve spring

Torque wrench\

\

\

Vernier caliper\
\

SSM (SPECIAL SERVICE MATERIALS)

Part Name

Part No.
\
\

Use etc. \
\

Camshaft bearing cap \
\
Camshaft bearing ca
Cylinder head semi±circular plug
Seal packing or equivalent

08826±00080
\
\
Cylinder head semi±circular lug
Cylinder head cover Seal acking or equivalent 08826±00080\
\
Cylinder head cover
Rear oil seal retainer \
\
Rear oil seal retainer
Oil pump \
\

Water inlet housing Seal packing 1282B,
Th b d 1282B i l t
08826±00100\
\
Water inlet housing
Water seal plate Three bond 1282B or equivalent 08826±00100\
\
Water seal late
Water pump

Adhesive 1324,
Three bond 1324 or equivalent

08833±00070
\

\
Drive plate mounting bolt

Adhesive 1344,
\
\

Adhesive 1344,
Three bond 1344
,

08833±00080
\
\

No.1 idler pulley mounting bolt Three bond 1344,
Loctite 242 or equivalent 08833±00080\
\
No.1 idler ulley mounting bolt
±
ENGINE MECHANICAL PreparationEM±7
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Page 2890 of 4087

LEXUS SC400 1991 Service Repair Manual
SERVICE SPECIFICATIONS
SERVICE DATA
StarterRated voltage and output power12 V 2.0 kW
No±load characteristicCurrent 120 A or less at 11.5 V
rpm 3,300 rpm or more at 11.5 V
Brush lengthSTD 15.0±15.5

Page 2891 of 4087

LEXUS SC400 1991 Service Repair Manual
STARTING SYSTEM
STARTING SYSTEM
NOTE: The specification descriptions ºUSA Spec.º and
º Exc. USA Spec. º used in this section indicate the following
specifications.
USA Spec .: USA (50 States) Spe

Page 2892 of 4087

$LEXUS SC400 1991 Service Repair Manual DESCRIPTION The starter is a reduction type starter with a small, high±speed motor u\ sed to drive the pinion gear. It is installed in the center of the V±bank of the cylinder block. ST±2 ± START$

Page 2893 of 4087

LEXUS SC400 1991 Service Repair Manual
SYSTEM CIRCUIT
OPERATION
When the ignition switch is turned to START, current flows from terminal 50 to the coil of the solenoid and
the plunger is pulled by the magnetic force of the coil. When the

Page 2894 of 4087

LEXUS SC400 1991 Service Repair Manual
PREPARATION
SST (SPECIAL SERVICE TOOLS)
09201±41020Valve Stem Oil
Seal ReplacerArmature rear bearing
09286±46011Injection Pump
Spline Shaft PullerArmature front bearing
09612±24014
Steering Gear
H

Page 2895 of 4087

LEXUS SC400 1991 Service Repair Manual
STARTER
COMPONENTS FOR REMOVAL AND
INSTALLATION
±
STARTING SYSTEM StarterST±5
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Page 2896 of 4087

LEXUS SC400 1991 Service Repair Manual
REMOVAL OF STARTER
(See Components on page ST±5)
1. DISCONNECT CABLE FROM NEGATIVE TERMINAL OF BATTERY
CAUTION: Work must be started after approx. 20 se-
conds or longer from the time the ignition

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