Lexus SC300 / Lexus SC400. Manual — part 378

(b) Connect the vacuum hose to the air intake chamber.

42. INSTALL TWC (FRONT)
(a) Using a 14 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)

(b) Temporarily install the pipe support bracket to the

transmission with the 4 bolts.

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

pipe.

(d) Connect the front exhaust pipe to the 2 TWC with the 4 bolts

and 4 new nuts.

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)

43. INSTALL HYDRAULIC PUMP

Install the hydraulic pump with the 2 bolts and 2 nuts.

Torque:

16 N

⋅

m (160 kgf

⋅

cm, 12 ft

⋅

lbf) for 12 mm head

30 N

⋅

m (310 kgf

⋅

cm, 22 ft

⋅

lbf) for 14 mm head

HINT: Each bolt length is indicated in the illustration.
Bolt length:

106 mm (4.17 in.) for A of 12 mm head
114 mm (4.49 in.) for B of 14 mm head

44. INSTALL RH CAMSHAFT TIMING PULLEY
(a) Align

the camshaft knock pin with the knock pin groove of the

timing pulley, and slide on the timing pulley.

(b) Slide the timing pulley on the camshaft, facing the “R” mark

forward.

(c) Using SST, install the pulley bolt.

SST 09278–54012

Torque: 108 N

⋅

m (1,100 kgf

⋅

cm, 80 ft

⋅

lbf)

–

1UZ–FE ENGINE

ENGINE MECHANICAL

EG–135

45. INSTALL LH CAMSHAFT TIMING PULLEY
(a) Align

the camshaft knock pin with the knock pin groove of the

timing pulley, and slide on the timing pulley.

(b) Slide the timing pulley on the camshaft, facing the “L” mark

forward.

(c) Using SST, install the pulley bolt.

SST 09278–54012

Torque: 108 N

⋅

m (1,100 kgf

⋅

cm, 80 ft

⋅

lbf)

46. CONNECT TIMING BELT TO CAMSHAFT TIMING

PULLEYS
(See steps 10 to 40 on pages

EG–61

to 72)

47. CONNECT NEGATIVE TERMINAL CABLE TO BATTERY
48. FILL WITH ENGINE COOLANT
49. START ENGINE AND CHECK FOR LEAKS
50. CHECK TRANSMISSION FLUID LEVEL
51. PERFORM ENGINE ADJUSTMENT

(See Tune–Up on pages

EG–9

to 34)

52. PERFORM ROAD TEST

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

53. INSTALL ENGINE UNDER COVER

EG–136

–

1UZ–FE ENGINE

ENGINE MECHANICAL

CYLINDER BLOCK

COMPONENTS FOR ENGINE REMOVAL AND
INSTALLATION

EG251–01

–

1UZ–FE ENGINE

ENGINE MECHANICAL

EG–137

EG–138

–

1UZ–FE ENGINE

ENGINE MECHANICAL