Lexus SC300 / Lexus SC400. Manual - part 381

(i) 

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

(j)  Remove the 2 bolts holding the engine wire clamp to the

body.

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

NOTICE: Be careful not to damage the engine wire.

28.  DISCONNECT SUB HEATED OXYGEN SENSORS FROM

FRONT EXHAUST PIPE

(a)  Disconnect the 2 wire grommets from the floor panel.
(b)  Disconnect the 2 oxygen sensors from the exhaust pipe.

29.  REMOVE FRONT EXHAUST PIPE
(a)  Remove the 4 bolts holding the pipe support bracket to the

transmission.

(b)  Remove the 2 bolts and nuts holding the front exhaust pipe

to the center exhaust pipe.

(c)  Remove the 4 bolts and nuts holding the front exhaust pipe

to the TWC.

(d)  Remove the pipe support bracket, front exhaust pipe and 3

gaskets.

30.  REMOVE TWC (FRONT)

Using a 14 mm deep socket wrench, remove the 3 nuts, TWC
and gasket. Remove the 2 TWC.

–

1UZ–FE ENGINE

ENGINE MECHANICAL

EG–147

31. REMOVE TAILPIPE
(a)  Remove the 4 nuts holding the tailpipes to the center exhaust

pipe.

(b)  Disconnect the hook from the ring on tailpipe bracket, and

remove the tailpipe and gasket. Remove the 2 tailpipes.

32.  REMOVE CENTER EXHAUST PIPE

Disconnect the 2 hooks of the exhaust pipe from the rings on
exhaust pipe brackets, and remove the exhaust pipe.

33. REMOVE 

HEAT 

INSULATOR FOR FRONT EXHAUST PIPE

Remove the 4 nuts and heat insulator.

34.  REMOVE CENTER FLOOR CROSSMEMBER BRACE

Remove the 4 bolts and crossmember brace.

35.  REMOVE PROPELLER SHAFT (See page 

PR–6

)

EG–148

–

1UZ–FE ENGINE

ENGINE MECHANICAL

36.  DISCONNECT TRANSMISSION CONTROL ROD FROM

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

37. REMOVE ENGINE AND TRANSMISSION ASSEMBLY

FROM VEHICLE

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

(b)  Remove the 2 nuts holding the engine mounting insulators to

the front suspension crossmember.

(c)  Remove the 4 bolts, 4 nuts and rear engine mounting

member. Disconnect the ground strap.

(d)  Lift the engine out of the vehicle slowly and carefully.

HINT: Make sure the engine is clear of all wirings, hoses and
cables.

NOTICE: Be careful not hit the PS gear housing, PNP switch

and ABS actuator.

(e)  Place the engine and transmission assembly onto the stand.

–

1UZ–FE ENGINE

ENGINE MECHANICAL

EG–149

COMPONENTS FOR ENGINE &
TRANSMISSION SEPERATION AND
ASSEMBLY

EG0BS–0F

ENGINE & TRANSMISSION SEPARATION

EG24X–01

(See Components for Engine & Transmission Separation and

Assembly)

1. REMOVE 

OIL 

DIPSTICK 

GUIDE 

AND 

DIPSTICK 

FOR

TRANSMISSION

(a)  Remove the bolt.
(b)  Pull out the dipstick guide and dipstick from the port of

transmission.

(c)  Remove the O–ring from the dipstick guide.
2. 

REMOVE OIL COOLER PIPES FOR TRANSMISSION

(a)  Remove the 2 bolts.
(b)  Loosen the 2 union nuts, and remove the oil cooler pipes.

EG–150

–

1UZ–FE ENGINE

ENGINE MECHANICAL