Lexus SC300 / Lexus SC400. Manual - part 392

3. 

INSTALL OIL COOLER PIPE FOR TRANSMISSION

(a)  Temporarily install the oil cooler pipe with the 2 pipe brackets

and 2 bolts.

(b) Connect the 2 oil cooler pipes to the unions on the

transmission.

Torque: 34 N

⋅

m (350 kgf

⋅

cm, 26 ft

⋅

lbf)

(c)  Tighten the 2 pipe clamp bolts.

4.  INSTALL OIL DIPSTICK GUIDE AND DIPSTICK FOR

TRANSMISSION

(a)  Install a new O–ring to the dipstick guide
(b)  Apply soapy water to the O–ring
(c)  Connect the dipstick guide end to the dipstick tube of the oil

pan.

(d)  Install the dipstick guide with the bolt.
(e)  Install the dipstick.

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1UZ–FE ENGINE

ENGINE MECHANICAL

EG–191

ENGINE INSTALLATION

EG2HW–02

(See Components for Engine Removal and Installation)
1.  INSTALL ENGINE AND TRANSMISSION ASSEMBLY IN

VEHICLE

(a)  Attach the engine chain hoist to the engine hangers.
(b)  Slowly lower the engine and transmission assembly into the

engine compartment.
NOTICE: Be careful not to hit the PS gear housing and
PNP switch.

(c)  Insert the stud bolts of the front engine mounting brackets

into the stud bolt holes of the front suspension crossmember.

(d)  Keep the engine level.

(e)  Install the rear engine mounting member with the 4 bolts and

4 nuts.

Torque:

25 N

⋅

m (250 kgf

⋅

cm, 19 ft

⋅

lbf) for bolt

13 N

⋅

m (135 kgf

⋅

cm, 10 ft

⋅

lbf) for nut

(f) 

Install the 2 nuts holding the engine mounting brackets to the
front suspension crossmember.

Torque: 59 N

⋅

m (600 kgf

⋅

cm, 43 ft

⋅

lbf)

EG–192

–

1UZ–FE ENGINE

ENGINE MECHANICAL

2. CONNECT 

TRANSMISSION 

CONTROL 

ROD 

FROM

SHIFT LEVER
Connect the control rod to the shift lever with the nut.

3. 

INSTALL PROPELLER SHAFT (See page 

PR–12

)

4. 

INSTALL CENTER FLOOR CROSSMEMBER BRACE
Install the crossmember brace with the 4 nuts.

Torque: 13 N

⋅

m (130 kgf

⋅

cm, 9 ft

⋅

lbf)

5. 

INSTALL HEAT INSULATOR FOR FRONT EXHAUST PIPE
Install the heat insulator with the 4 bolts.

6. 

INSTALL CENTER EXHAUST PIPE
Install the 2 hooks of the exhaust pipe to the rings on the ex-
haust pipe brackets.

–

1UZ–FE ENGINE

ENGINE MECHANICAL

EG–193

7. INSTALL 

TAILPIPE

(a)  Install the hook of the tailpipe to the ring on the tailpipe

bracket.

(b)  Install a new gasket and tailpipe to the center exhaust pipe

with 2 bolts. Install the 2 tailpipes.

Torque: 19 N

⋅

m (195 kgf

⋅

cm, 14 ft

⋅

lbf)

8. 

INSTALL TWC (FRONT)
Using a 14 mm deep socket wrench, install a new gasket and
the TWC with 3 new nuts. Install the 2 TWC.

Torque: 62 N

⋅

m (630 kgf

⋅

cm, 46 ft

⋅

lbf)

9. 

INSTALL FRONT EXHAUST PIPE

(a)  Temporarily install the pipe support bracket with the 4 bolts.
(b)  Temporarily install 3 new gaskets and the exhaust pipe with

the 6 bolts and nuts.

(c)  Tighten the 4 bolts and nuts holding the TWC to the front

exhaust pipe.

Torque: 43 N

⋅

m (440 kgf

⋅

cm, 32 ft

⋅

lbf)

(d)  Tighten the 2 bolts and nuts holding the front exhaust pipe to

the center exhaust pipe.

Torque: 43 N

⋅

m (440 kgf

⋅

cm, 32 ft

⋅

lbf)

(e)  Tighten the 4 bolts holding the pipe support bracket to the

transmission.

Torque: 43 N

⋅

m (440 kgf

⋅

cm, 32 ft

⋅

lbf)

10.  INSTALL SUB HEATED OXYGEN SENSORS

Install the 2 oxygen sensors to the front exhaust pipe.

Torque: 44 N

⋅

m (450 kgf

⋅

cm, 33 ft

⋅

lbf)

HINT:

•

Before installing the oxygen sensor, twist the sensor
wire counterclockwise 3 1/2 turns.

•

After installing the oxygen sensor, check that the sensor
wire is not twisted. If it is twisted, remove the oxygen
sensor and reinstall it.

EG–194

–

1UZ–FE ENGINE

ENGINE MECHANICAL