1991 LEXUS SC300 oil

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Page 2108 of 4087

LEXUS SC300 1991  Service Repair Manual 
IGNITION COILS
COMPONENTS FOR REMOVAL AND
INSTALLATION
IG±20±
 IGNITION SYSTEM Ignition Coils 
WhereEverybodyKnowsYourName

Page 2109 of 4087

LEXUS SC300 1991  Service Repair Manual 
REMOVAL OF RH IGNITION COIL
(See Components on page IG±20)
1.  REMOVE RH ENGINE WIRE COVER (See steps 1, 3 and 4 on pages  IG±11 and 12)
2.  DISCONNECT HIGH±TENSION CORD (See step 9 on pages  IG±

Page 2110 of 4087

LEXUS SC300 1991  Service Repair Manual 
INSTALLATION OF RH IGNITION COIL
(See Components on page IG±20)
1.  INSTALL IGNITION COIL (a)  Install the ignition coil with the three bolts.
(b)  Install the cam position sensor connector to the i

Page 2112 of 4087

LEXUS SC300 1991  Service Repair Manual 
REMOVAL OF DISTRIBUTOR
(See Components on page IG±23)
1.  DRAIN ENGINE COOLANT (See page  CO±6)
2.  DISCONNECT RADIATOR HOSE FROM WATER INLET
3.  REMOVE NO.3 TIMING BELT COVERS
(See steps 1 to 8 on

Page 2115 of 4087

LEXUS SC300 1991  Service Repair Manual 
5. INSTALL DISTRIBUTOR CAPSInstall the distributor cap with the three bolts. Install the two
distributor caps.
Torque: 3.8 N Vm (39 kgf Vcm, 34 in. Vlbf)
6.  CONNECT  HIGH±TENSION CORDS TO DISTRIBUT

Page 2116 of 4087

LEXUS SC300 1991  Service Repair Manual 
9.  INSTALL DRIVE BELT IDLER PULLEYInstall the idler pulley and cover plate with the pulley bolt.
Torque: 37 N Vm (380 kgf Vcm, 27 ft Vlbf)
10.  INSTALL NO.3 TIMING BELT COVERS
(See steps 5 to 9 and

Page 2118 of 4087

LEXUS SC300 1991  Service Repair Manual 
SERVICE SPECIFICATIONS
SERVICE DATA
Oil pressureat idle speed29 kPa (0.3 kgf/cm, 4.3 psi) or more
at 3,000 rpm 294±539  kPa
(3.0±5.5 kgf/cm, 43±78 psi)
Oil pumpTip clearanceSTD0.310±0.490 mm0.012

Page 2119 of 4087

LEXUS SC300 1991  Service Repair Manual 
SERVICE SPECIFICATIONS
SERVICE DATA
Oil pressureat idling29 kPa (0.3 kgf/cm2, 4.3 psi) or more
at 3,000 rpm 294±588 kPa
(3.0±6.0 kgf/cm2, 43±85 psi)
Oil pumpTip clearanceSTD0.110±0.240 mm0.0043±