Lexus SC300 / Lexus SC400. Service manual — part 454

43. INSTALL RH IGNITION COIL

Install the ignition coil with the two bolts.

44. CONNECT CONTROL CABLES TO THROTTLE BODY

Connect the following cables:

(1)

Accelerator cable

(2)

A/T throttle cable

(3)

(w/ Cruise Control System)

Cruise control actuator cable

45. INSTALL THROTTLE BODY COVER

Install the throttle body cover and hose clamp with the two
bolts and cap nut.

46. INSTALL CATALYTIC CONVERTERS (MAIN)

(a) Install a new gasket and the catalytic converter to the

exhaust manifold with the three new bolts. Install the two
catalytic converters.

Torque: 62 N

⋅

m (630 kgf

⋅

cm, 46 ft

⋅

lbf)

(b) Install a new gasket to each front end of the front

exhaust pipe.

(c) Connect the front exhaust pipe to the catalytic

converters.

(d) Temporarily

install

the

four

bolts

holding

the

pipe

support bracket to the transmission.

(e) Install the four bolts and nuts holding the catalytic

converters to the front exhaust pipe.

Torque: 43 N

⋅

m (440 kgf

⋅

cm, 32 ft

⋅

lbf)

(f) Tighten the four bolts holding the pipe support bracket

to the transmission.

Torque: 43 N

⋅

m (440 kgf

⋅

cm, 32 ft

⋅

lbf)

EM–114

–

ENGINE MECHANICAL

Cylinder Heads

47. INSTALL PS PUMP

(a) Install the PS pump with the three bolts and nut.

Alternately tighten the bolts and nut.

Torque:

Bolt 39 N

⋅

m (400 kgf

⋅

cm, 29 ft

⋅

lbf)

Nut 43 N

⋅

m (440 kgf

⋅

cm, 32 ft

⋅

lbf)

(b) Connect the vacuum hose to the vacuum pipe.

48. INSTALL HYDRAULIC PUMP AND CAMSHAFT TIMING

PULLEYS
(See steps 8, 10 and 11 on pages

EM–48

to 49)

49. INSTALL HYDRAULIC PUMP AND CAMSHAFT TIMING

PULLEYS
(See steps 12 to 43 on pages

EM–49

to 57)

50. PERFORM ROAD TEST

Check for abnormal noise, shock, slippage, correct shift
points and smooth operation.

–

ENGINE MECHANICAL

Cylinder Heads

EM–115

CYLINDER BLOCK

COMPONENTS FOR REMOVAL AND
INSTALLATION OF ENGINE WITH
TRANSMISSION

EM–62

–

ENGINE MECHANICAL

Cylinder Block

COMPONENTS FOR REMOVAL AND
INSTALLATION OF ENGINE WITH
TRANSMISSION (Cont’d)

–

ENGINE MECHANICAL

Cylinder Block

EM–63