Lexus SC300 / Lexus SC400. Manual - part 581

22.  DISCONNECT PS RESERVOIR TANK AND BRACKET

FROM BODY
Remove the three bolts, and disconnect the reservoir tank
and bracket assembly.

23.  DISCONNECT PS PUMP FROM ENGINE

Remove the three pump bolts and nut, and disconnect the PS
pump.
HINT: Put aside the PS pump, and suspend it.

24.  DISCONNECT A/C COMPRESSOR

(a)  Disconnect the compressor connector.
(b)  Remove the mounting nut, and disconnect the ground

cable.

(c)  Remove the mounting bolt and compressor stay.

(d)  Remove the two mounting bolts, and disconnect the

compressor from the engine.

HINT: Put aside the compressor, and suspend it.

25.  DISCONNECT HOSES AND GROUND STRAP

Disconnect the following hose and ground strap:

(1)  Heater water hose from water by–pass pipe
(2)  Heater water hose from heater water valve
(3)  Vacuum hose from brake booster union on air in-

take chamber

(4)  Vacuum hose (from VSV for heater water valve)

from air intake chamber

(5)  Ground strap from bracket on body

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(6)  Two fuel hoses from fuel tubes. 

Plug the hose end.

26.  REMOVE CHARCOAL CANISTER

(a)  Disconnect the vacuum hose and air hose from the

charcoal canister.

(b)  Remove the charcoal canister.

27.  DISCONNECT ENGINE WIRE FROM CABIN

(a)  Remove the two clips, and pull out the instrument panel

under cover.

(b)  Remove the four mounting screws.
(c) Disconnect the connectors, and remove the lower

instrument panel finish panel and glove compartment
door assembly.

(d)  Pull out the scuff plate.

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(e)  Take out the front side of the floor carpet.
(f)  Remove the two nuts and ECU protector.

(g) Remove 

the nut, and disconnect the engine & ECT ECU

from the floor panel.

(h)  Disconnect the following connectors:

(1)  Two connectors from engine & ECT ECU
(2)  Connector from ABS & TRAC ECU
(3)  Two connectors from TRAC ECU
(4)  Four connectors from connector cassette
(5)  Connector from A/C control assembly

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(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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