Lexus SC300 / Lexus SC400. Manual — part 398

(i)

Remove the bolt holding the engine wire clamp to the
heater water valve bracket.

(j)

Remove the two bolts holding the engine wire clamp to
the body.

(k) Pull out the engine wire from the cabin.

28. REMOVE FRONT EXHAUST PIPE

(a) Disconnect the grommet from the floor, and disconnect

the sub–oxygen sensor from the exhaust pipe.
Disconnect the two sub–oxygen sensors.

(b) Remove the four bolts holding the front exhaust pipe to

the transmission.

(c) Remove the two bolts and nuts holding the front exhaust

pipe to the center exhaust pipe.

(d) Remove the four bolts and nuts holding the front

exhaust pipe to the catalytic converter. Remove the pipe
support stay, front exhaust pipe and three gaskets.

29. REMOVE CATALYTIC CONVERTERS (MAIN)

Remove the three nuts, catalytic converter and gasket. Re-
move the two catalytic converters.

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ENGINE MECHANICAL

Cylinder Block

30. REMOVE TAILPIPES

(a) Remove the four bolts holding the tailpipes to the center

exhaust pipe.

(b) Disconnect the tailpipe hook from the ring on tailpipe

bracket, and remove the tailpipe and gasket. Remove
the two tailpipes.

31. REMOVE CENTER EXHAUST PIPE

Disconnect the two hooks of the exhaust pipe from the rings
on exhaust pipe brackets, and remove the center exhaust
pipe.

32. REMOVE EXHAUST PIPE HEAT INSULATOR

Remove the four nuts and heat insulator.

33. REMOVE CENTER FLOOR BRACE

Remove the four bolts and brace.

34. REMOVE PROPELLER SHAFT (See PR section)

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ENGINE MECHANICAL

Cylinder Block

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35. DISCONNECT TRANSMISSION CONTROL ROD

Remove the nut, and disconnect the control rod from the shift
lever.

36. REMOVE ENGINE AND TRANSMISSION ASSEMBLY

FROM VEHICLE
(a) Attach the engine hoist chain to the engine hangers.

(b) Remove the two nuts holding the engine mounting

insulators to the front suspension crossmember.

(c) Remove the four bolts, four nuts and rear engine

mounting member. Disconnect the ground strap.

(d) Lift the engine out of the vehicle slowly and carefully.
NOTICE: Be careful not to hit the PS gear housing, neu-
tral start switch and ABS actuator.
(e) Make sure the engine is clear of all wiring, hoses and

cables.

(f) Place the engine and transmission assembly onto the

stand.

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ENGINE MECHANICAL

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COMPONENTS FOR SEPARATION AND
ASSEMBLY OF ENGINE AND
TRANSMISSION

SEPARATION OF ENGINE AND
TRANSMISSION

1.

REMOVE OIL DIPSTICK GUIDE FOR TRANSMISSION
(a) Remove the mounting bolt.
(b) Pull out the dipstick guide and dipstick from the

transmission.

(c) Remove the O–ring from the dipstick guide.

2.

REMOVE OIL COOLER PIPES FOR TRANSMISSION
(a) Remove the two mounting bolts.
(b) Loosen the two union nuts, and remove the oil cooler

pipes.

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ENGINE MECHANICAL

Cylinder Block

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