1991 LEXUS SC400 Service Repair Manual

Page 1705 of 4087

LEXUS SC400 1991  Service Repair Manual 
9. RECONNECT RH CAM POSITION SENSOR CONNECTOR
(a)  Connect the sensor connector.
(b)  Connect the connector to the ignition coil bracket.
10. RECONNECT LH  CAM POSITION SENSOR CONNECTOR
11.  RECONNEC

Page 1706 of 4087

LEXUS SC400 1991  Service Repair Manual 
TIMING BELT
COMPONENTS FOR REMOVAL AND
INSTALLATION
±
ENGINE MECHANICAL Timing BeltEM±33 
WhereEverybodyKnowsYourName

Page 1707 of 4087

LEXUS SC400 1991  Service Repair Manual 
COMPONENTS FOR REMOVAL AND
INSTALLATION (Contd)
EM±34±
ENGINE MECHANICAL Timing Belt 
WhereEverybodyKnowsYourName

Page 1708 of 4087

LEXUS SC400 1991  Service Repair Manual 
REMOVAL OF TIMING BELT
(See Components on pages EM±33 and 34)
1. REMOVE BATTERY CAUTION: Work must be started after approx. 20 se-
conds or longer from the time the ignition switch is
turned to  the

Page 1709 of 4087

LEXUS SC400 1991  Service Repair Manual 
7.  REMOVE INTAKE AIR CONNECTOR(a)  Disconnect the following hoses:(1) Air hose from ISC valve
(2) Air hose (from PS air control valve) from intake air connector
(b)  Remove the bolt holding the inta

Page 1710 of 4087

LEXUS SC400 1991  Service Repair Manual 
10.  REMOVE RH ENGINE WIRE COVERRemove the bolt and engine wire cover.
11.  REMOVE LH ENGINE WIRE COVER Remove the two bolts and engine wire cover.
12.  REMOVE VSV FOR EVAP SYSTEM Remove the two bolt

Page 1711 of 4087

LEXUS SC400 1991  Service Repair Manual 
15. REMOVE HIGH±TENSION CORDS, HIGH±TENSIONCORD CLAMPS AND LOWER HIGH±TENSION CORD
COVER ASSEMBLY
(a)  Remove the two bolts holding the RH rear high±tensioncord clamp to the cylinder head.
(b)  D

Page 1712 of 4087

LEXUS SC400 1991  Service Repair Manual 
(b) Disconnect  the cam position sensor wire from the clamp
on the timing belt cover.
(c)  Remove the five mounting bolts.
(d)  Disconnect  the connector grommet from the timing belt cover.
(e)  Disc