Lexus SC300 / Lexus SC400. Manual — part 546

(d) Using a snap ring expander, install the new snap ring.

6. ASSEMBLE INTERMEDIATE SHAFT AND PROPELLER

SHAFT

(a) Install the dust boot.

NOTICE: Assemble after wrapping vinyl tape around the
spline so it will not damage the boot.

(b) Apply grease to the spline.

Grease:

Molybdenum disulphide lithium base, NLGI No.2.

(c) Align the matchmarks and assemble the intermediate shaft

and propeller shaft.

(d) Cover the adjusting nut with the dust boot.

NOTICE: The directions of the intermediate shaft com-
panion flange and the propeller shaft companion flange
should differ by 180

°

.

(e) Tighten the adjusting nut fully by hand.

–

PROPELLER SHAFT

PROPELLER SHAFT

PR–11

PROPELLER SHAFT INSTALLATION

PR04L–01

1.

INSTALL PROPELLER SHAFT

(a) Apply grease to the flexible coupling centering bushings.

Grease:

Molybdenum disulphide lithium base, NLGI No.1 or

No.2.

(b) Insert the propeller shaft from the vehicle’s rear and connect

the transmission and differential.
NOTICE: Support the center support bearing by hand so
that the transmission and intermediate shaft, and propel-
ler shaft and differential, remain in a straight line.

(c) Temporarily install the center support bearing set bolts with

the adjusting washers.
HINT: Use the adjusting washers which were removed.

(d) Align the matchmarks and connect the propeller shaft to the

transmission.

(e) Install the 3 bolts, washers and nuts.

NOTICE: Bolts should be inserted from the propeller
shaft side.

Torque: 79 N

⋅

m (805 kgf

⋅

cm, 58 ft

⋅

lbf)

(g) Align the matchmarks and install the propeller shaft on the

differential with the 3 bolts, washers and nuts.
NOTICE: Bolts should be inserted from the propeller
shaft side.

Torque: 79 N

⋅

m (805 kgf

⋅

cm, 58 ft

⋅

lbf)

PR–12

–

PROPELLER SHAFT

PROPELLER SHAFT

If using a new propeller shaft w / Phasemarks:
Install the propeller shaft phasemarks and differential phase-
marks so that their respective alignment phasemarks match.
If the propeller shaft phasemarks and differential phase-
marks do not align, install the propeller shaft and differential
alignment phasemarks are as close together as possible.
w / o Phasemarks:
Install the propeller shaft.
(See page

PR–12

)

(h) Torque the center support bearing set bolts.

Torque: 49 N

⋅

m (500 kgf

⋅

cm, 36 ft

⋅

lbf)

HINT: Adjust the center support bearing to keep the dimen-
sion within the limits, as shown.
Under the same condition, check if the center line of the cen-
ter support bearing is at right angles to the shaft axial direc-
tion.

(i)

Using SST, tighten the adjusting nut.
SST 09922–10010

Torque: 48 N

⋅

m (490 kgf

⋅

cm, 35 ft

⋅

lbf)

HINT: Use a torque wrench with a fulcrum length of 350 mm
(13.8 in.).

2.

INSPECT JOINT ANGLE
(See page

PR–15

)

NOTICE: The joint angle should by all means be checked
when the propeller shaft is removed and installed.

3.

INSTALL CROSSMEMBER BRACE
Install the center floor crossmember brace and torque the 4
bolts.

Torque: 13 N

⋅

m (130 kgf

⋅

cm, 8 ft

⋅

lbf)

–

PROPELLER SHAFT

PROPELLER SHAFT

PR–13

4. INSTALL

HEAT

INSULATOR

Install the heat insulator and torque the 4 nuts.

Torque: 5.4 N

⋅

m (55 kgf

⋅

cm, 48 in.

⋅

lbf)

5.

INSTALL EXHAUST CENTER PIPE

(a) Install new gaskets.
(b) Install the exhaust center pipe.
(c) Install the exhaust center pipe to the 2 rings.
(d) Install and torque the new 4 nuts.

Torque: 19 N

⋅

m (195 kgf

⋅

cm, 14 ft

⋅

lbf)

6.

INSTALL EXHAUST FRONT PIPE

(a) Install new gaskets.
(b) Install the front pipe.
(c) Install and torque the 6 bolts and new nuts.

Torque: 43 N

⋅

m (440 kgf

⋅

cm, 32 ft

⋅

lbf)

(d) Connect both oxygen sensors.

HINT: When connecting the oxygen sensor, turn it to the left
about 3 times.
NOTICE: After installing the oxygen sensor, check that
the wire is not twisted.

(e) Tighten the oxygen sensors.

Torque: 44 N

⋅

m (450 kgf

⋅

cm, 33 ft

⋅

lbf)

(f) Connect the oxygen sensor grommets to the floor.

PR–14

–

PROPELLER SHAFT

PROPELLER SHAFT