1991 LEXUS SC300 wheel torque

4. CONNECT PRESSURE AND RETURN TUBESAfter inserting the rotation stopper in the valve housing holes,
tighten the union bolts.
Torque: 46 N Vm (500 kgf Vcm, 36 ft Vlbf)
5. CENTER SPIRAL CABLE
If the steering wheel has been removed, or the steering
wheel may have moved during the operation, always perform
centering of the spiral cable.
(See page SR±11)
6. CHECK STEERING WHEEL CENTER POINT
7. BLEED POWER STEERING SYSTEM (See page SR±115)
8. CHECK TOE±IN
(See page SA±5)
±
STEERING POWER STEERINGSR±147
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16. INSTALL RACK BOOTS, CLAMPS AND CLIPS
(a) Ensure that the tube hole is not clogged with grease.HINT: If the tube hole is clogged, the pressure inside the boot
will change after it is assembled and the steering wheel
turned.
(b) Install the boot.
NOTICE: Be careful not to damage or twist the boot.
(c) Install the clamp and clip to the boot.
17. INSTALL TIE ROD ENDS
(a) Screw the lock nut and tie rod end onto the rack end until the matchmarks are aligned.
(b) After adjusting toe±in, torque the lock nut.
Torque: 56 N Vm (570 kgf Vcm, 41 ft Vlbf)
18. INSTALL RIGHT AND LEFT TURN PRESSURE TUBES
(a) Install a new union seat.
(b) Using SST, tighten nut.
SST 09633±00020
Torque: 24 N Vm (240 kgf Vcm, 17 ft Vlbf)
HINT: Use a torque wrench with a fulcrum length of 300 mm
(11.81 in.).
(c) Install the union bolt over the new gaskets and torque it.
Torque: 34 N Vm (350 kgf Vcm, 25 ft Vlbf)
SR±162±
STEERING POWER STEERING
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TORQUE SPECIFICATIONS
SR0GQ±01\
 \
Part tightened NVm kgf Vcm ft Vlbf\
 \
STEERING COLUMN   
\
 \
Steering wheel 35 360 26\
 \
Steering wheel pad 7.4 75 65 in. Vlbf\
 \
Column bracket X Body 25 260 19\
 \
Sliding yoke 35 360 26\
 \
(Power tilt and power telescopic steering column)   
\
 \
Tilt steering housing support X Lower tube 13 130 9\
 \
Support stopper bolt lock nut 2.9 30 26 in. Vlbf\
 \
Connector bracket 4.9 50 43 in. Vlbf\
 \
Telescopic sensor plate 4.9 50 43 in. Vlbf\
 \
Telescopic adjusting screw 6.9 70 61 in. Vlbf\
 \
Telescopic adjusting screw lock nut 31 320 23\
 \
(Manual tilt and Manual telescopic steering column)   
\
 \
Tilt memory bolt 6.4 65 56 in. Vlbf\
 \
Tilt memory bolt set nut 5.9 60 52 in. Vlbf\
 \
Tilt lever assembly installation bolt 2.9 30 26 in. Vlbf\
 \
Tilt pawl set nut 5.9 60 52 in. Vlbf\
 \
Tilt lever retainer set nut 15 150 11\
 \
Compression spring bushing bolt 7.8 80 69 in. Vlbf\
 \
Steering column tube stopper bolt 19 195 14\
 \
Serration attachment set nut 13 130 9\
 \
Telescopic lever set bolt 25 260 19\
 \
Connector bracket set bolt 4.9 50 43 in. Vlbf\
 \
POWER STEERING PUMP   
\
 \
(SC 400)   
\
 \
PS pump installation bolt 39 400 29\
 \
PS pump installation nut 43 440 32\
 \
Pressure tube X Pressure port union 49 500 36\
 \
Drive pulley X Rotor shaft 43 440 32\
 \
Front housing X Rear bracket 39 400 29\
 \
Pressure port union X Pump housing 69 700 51\
 \
Suction port union X Pump housing 13 130 9\
 \
(SC 300)   
\
 \
PS pump installation bolt 58 590 43\
 \
Pressure tube X Pressure port union 49 500 36\
 \
Drive pulley X Rotor shaft 43 440 32\
 \
Front housing X Rear housing 17 170 12\
 \
Pressure port union X Pump housing 83 850 61\
 \
Reservoir tank X Pump housing Front side bolt 13 130 9\
 \
Rear side bolts 17 170 12
±
STEERING SERVICE SPECIFICATIONSSR±171
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4. CENTER SPIRAL CABLE
(a) Check that the front wheels are facing straight ahead.
(b) Turn the spiral cable counterclockwise by hand until it
becomes harder to turn the cable.
(c) Then rotate the spiral cable clockwise about 3 turns to align the red mark.
HINT: The spiral cable will rotate about 3 turns to either left
or right of the center.
5. INSTALL STEERING WHEEL
(a) Align matchmarks on the steering wheel and main shaft, and install the wheel to the shaft.
(b) Tighten the wheel set nut.
Torque: 35 N Vm (360 kgf Vcm, 26 ft Vlbf)
(c) Connect the connector.
6. INSTALL STEERING WHEEL PAD
(a) Connect the Airbag connector.
(b) Install the pad after confirming that the circumference groove
of the torx screws is caught on the screw case.
(c) Using a torx wrench, tighten the 4 torx screws.
Torque: 7.4 N Vm (75 kgf Vcm, 65 in. Vlbf)
NOTICE:
w Make sure the wheel pad is installed to the specified
torque.
w If the wheel pad has been dropped, or there are cracks,
dents or other defects in the case or connector, replace
the wheel pad with a new one.
w When installing the wheel pad, take care that the wiring
does not interfere with other parts and is not pinched
between other parts.
7. CHECK STEERING WHEEL CENTER POINT
8. CONNECT NEGATIVE (±) TERMINAL CABLE TO
BATTERY
±
STEERING STEERING COLUMNSR±11
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SERVICE SPECIFICATIONS
SERVICE DATA
RS02S±01
\
\
FRONT AIRBAG SENSOR\
 \

\
\

S ±
A\
 \
755±855

\
\

S ± S\
 \
1 M
or Higher
\
\
 S ± A\
 \
Less than 1

TORQUE SPECIFICATIONS
RS02T±07
\
\
Part tightened NVm kgf Vcm ft Vlbf
\
\
Steering wheel 35 360 26
\
\
Steering wheel pad 7.4 75 65 in. Vlbf
\
\
Front passenger airbag assembly 21 210 15
\
\
Front airbag sensor 25 260 19
\
\
Center airbag sensor assembly 15 150 11
RS±126±
SUPPLEMENTAL RESTRAINT SYSTEM SERVICE SPECIFICATIONS
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PREPARATION
SST (SPECIAL SERVICE TOOLS)
RS00X±04
RECOMMENDED TOOLS
RSOOY±04
EQUIPMENT
RS00Z±04\
 \
Torque wrench 
\
 
\

\
Bolt Length: 35 mm (1.38 in.) Pitch: 1.0 mm (0.039 in.)
Diam.: 6.0 mm (0.236 in.) 

Airbag disposal
\
 \
Tire Width: 185 mm (7.28 in.) Inner diam.: 360mm (14.17 in.) Airbag disposal
\
 
\

\

Tire with disk wheel Width: 185 mm (7028 in.)
Inner diam.: 360 mm (14.17 in.) 


Airbag disposal
\
 \
Vinyl bag Airbag disposal
±
SUPPLEMENTAL RESTRAINT SYSTEM PREPARATIONRS±15
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6. INSTALL STEERING WHEEL
(a) Align matchmarks on the steering wheel and main shaft, andinstall the steering wheel to the main shaft.
(b) Install and torque the set nut.
Torque: 35 N Vm (360 kgf Vcm, 26 ft Vlbf)
(c) Connect the connector.
7. INSTALL STEERING WHEEL PAD
(a) Connect the SRS connector.
(b) Install the wheel pad after confirming that the circumference
groove of the torx screws is caught on the screw case.
(c) Using a torx wrench, tighten the 4 screws.
Torque: 7.4 N Vm (75 kgf Vcm, 65 in. Vlbf)
NOTICE:
w Make sure the wheel pad is installed to the specified
torque.
w If the wheel pad has been dropped, or there are cracks,
dents or other defects in the case or connector, replace
the wheel pad with a new one.
w When installing the wheel pad, take care that the wirings
do not interfere with other parts and are not pinched
between other parts.
8. CHECK STEERING WHEEL CENTER POINT
9. CONNECT NEGATIVE (±) TERMINAL CABLE TO
BATTERY
RS±20
±
SUPPLEMENTAL RESTRAINT SYSTEM STEERING WHEEL PAD AND SPIRAL CABLE
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3. INSTALL SHOCK ABSORBER TO REAR AXLE CARRIER
(a) Install the bolt from the rear vehicle.
(b) Temporarily install the nut.
4. INSTALL REAR BRAKE CALIPERInstall the brake caliper to the rear axle carrier with the 2 bolts.
Torque: 104 N Vm (1,065 kgf Vcm, 77 ft Vlbf)
5. STABILIZE SUSPENSION
(a) Install the rear wheel and lower vehicle
(b) Bounce the vehicle up and down several times to stabilize the
suspension.
(c) Jack up the vehicle and remove the rear wheel.
6. TIGHTEN BOLT AND NUT
(a) Support the lower arm with a jack.
(b) Tighten the bolt and nut.
Torque: 143 N Vm (1,460 kgf Vcm, 106 ft Vlbf)
7. INSTALL REAR WHEEL AND LOWER VEHICLE
Torqre: 137 N Vm (1,050 kgf Vcm, 101 ft Vlbf)
8. CHECK REAR WHEEL ALIGNMENT
(See page SA±10)
SA±112
±
SUSPENSION AND AXLE REAR SUSPENSION
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