Lexus SC300 / Lexus SC400. Manual — part 528
DISTRIBUTOR
COMPONENTS FOR REMOVAL AND
INSTALLATION
–
IGNITION SYSTEM
Distributor
IG–23
REMOVAL OF DISTRIBUTOR
(See Components on page
)
1.
DRAIN ENGINE COOLANT (See page
2.
DISCONNECT RADIATOR HOSE FROM WATER INLET
3.
REMOVE NO.3 TIMING BELT COVERS
(See steps 1 to 8 on pages
4.
REMOVE DRIVE BELT IDLER PULLEY
Remove the pulley bolt, cover plate and idler pulley.
5.
REMOVE RH NO.2 TIMING BELT COVER
(a) Disconnect the cam position sensor connector from the
ignition coil bracket.
(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) Disconnect the wire clamp from the timing belt cover,
and remove the timing belt cover and four gaskets.
6.
REMOVE LH NO.2 TIMING BELT COVER
(a) Disconnect
the
cam position sensor wire from the clamp
on the timing belt cover.
(b) Disconnect the cam position sensor connector.
(c) Remove the three mounting bolts.
(d) Disconnect the connector grommet from the timing belt
cover, and remove the timing belt cover and two
gaskets.
IG–24
–
IGNITION SYSTEM
Distributor
7. DISCONNECT HIGH–TENSION CORDS FROM
DISTRIBUTOR CAPS
Disconnect the high–tension cords at the rubber boot. Do not
pull on the cord.
NOTICE: Pulling or bending the cords may damage the
conductor inside.
8. REMOVE
DISTRIBUTOR
CAPS
Loosen the three bolts, and remove the distributor cap. Re-
move the two distributor caps.
HINT: Arrange the distributor caps (RH side and LH side).
9. REMOVE
DISTRIBUTOR
ROTORS
Loosen the two bolts, and remove the distributor rotor. Re-
move the two distributor rotors.
HINT: Arrange the distributor rotors (RH side and LH side).
10. REMOVE
DISTRIBUTOR
HOUSINGS
(a) (RH Distributor Housing)
Disconnect the cam position sensor connector.
(b) Remove the three bolts and distributor housing.
Remove the two distributor housings.
11.
REMOVE CAM POSITION SENSORS FROM
DISTRIBUTOR HOUSINGS
Remove the bolt, screw and cam position sensor.
Remove the two cam position sensors.
–
IGNITION SYSTEM
Distributor
IG–25
INSTALLATION OF DISTRIBUTOR
(See Components on page
)
1. INSTALL CAM POSITION SENSORS TO DISTRIBUTOR
HOUSINGS
Install the cam position sensor with the bolt and screw. Install
the two cam position sensors.
Torque: 6.4 N
⋅
m (65 kgf
⋅
cm, 56 in.
⋅
lbf)
HINT:
•
The RH distributor housing is marked with ”R”.
•
The LH distributor housing is marked with ”L”.
2.
INSTALL RH DISTRIBUTOR HOUSING
(a) Install the distributor housing with the three bolts.
Torque: 18 N
⋅
m (185 kgf
⋅
cm, 13 ft
⋅
lbf)
HINT:
•
The RH distributor housing is marked with ”R”.
•
Each bolt length is indicated in the illustration.
Bolt length: A 38 mm (1.50 in.)
B 96 mm (3.78 in.)
(b) Connect the cam position sensor connector.
3.
INSTALL LH DISTRIBUTOR HOUSING
(a) Install the distributor housing with the three bolts.
Torque: 18 N
⋅
m (185 kgf
⋅
cm, 13 ft
⋅
lbf)
HINT:
•
The LH distributor housing is marked with ”L”.
•
Each bolt length is indicated in the illustration.
Bolt length: A 38 mm (1.50 in.)
B 80 mm (3.15 in.)
4. INSTALL
DISTRIBUTOR
ROTORS
(a) Align the protrusion of the distributor rotor with the
groove of the camshaft timing pulley.
(b) Install the distributor rotor with the two bolts. Install the
two distributor rotors.
Torque: 3.8 N
⋅
m (39 kgf
⋅
cm, 34 in.
⋅
lbf)
IG–26
–
IGNITION SYSTEM
Distributor
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