1991 LEXUS SC400 brake

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
WhereEverybodyKnowsYourName

REAR UPPER ARM REMOVAL
SA1A6±01
1. JACK UP VEHICLE AND REAR WHEEL
2. REMOVE REAR DRIVE SHAFT(See page SA±66)
3. REMOVE REAR BRAKE CALIPER
(a) Remove the 2 bolts and brake caliper from the rear axle hub.
(b) Hang up the brake caliper using wire, etc.
4. REMOVE ABS WIRE HARNESS CLAMP Remove the 2 bolts and ABS wire harness clamp.
5. REMOVE UPPER ARM
(a) Remove the nut.
(b) Using SST, disconnect the upper arm to the axle carrier. SST 09628±62011
NOTICE: Be careful not to damage the dust cover.
SA±114±
SUSPENSION AND AXLE REAR SUSPENSION
WhereEverybodyKnowsYourName

(b) Connect the upper arm to the axle carrier with a new nut.
Torque: 109 NVm (1,100 kgf Vcm, 80 ft Vlbf)
2. INSTALL REAR DRIVE SHAFT
(See page SA±66)
3. INSTALL ABS WIRE HARNESS CLAMP Connect the ABS wire harness clamp to the upper arm with
the two bolts.
4. INSTALL BRAKE CALIPER Install the brake caliper to the rear axle carrer with the 2 bolts.
Torque: 104 N Vm (1,065 kgf Vcm, 77 ft Vlbf)
5. INSTALL REAR WHEEL AND LOWER VEHICLE
SA±116
±
SUSPENSION AND AXLE REAR SUSPENSION
WhereEverybodyKnowsYourName

LOWER SUSPENSION ARMS AND
STRUT ROD REMOVAL
SA1A8±01
1. JACK UP VEHICLE AND REMOVE REAR WHEEL
2. REMOVE BRAKE CALIPER AND DISC
(a) Remove the 2 bolts and brake caliper from the axle hub.
(b) Hang up the brake caliper using wire, etc.
3. REMOVE STRUT ROD
(a) Remove the bolt and nut, disconnect the strut rod from therear axle carrier.
(b) Remove the bolt and nut and the strut rod.
4. REMOVE NO.1 LOWER SUSPENSION ARM
(a) Remove the nut.
(b) Using SST, disconnect the lower suspension arm from the axle carrier.
SST 09628±10011
NOTICE: Be careful not to damage the dust boot.
SA±118±
SUSPENSION AND AXLE REAR SUSPENSION
WhereEverybodyKnowsYourName

(b) Temporarily connect the strut rod to the axle carrier with thebolt and nut.
4. INSTALL BRAKE CALIPER Install the brake caliper 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 rear wheel.
6. TORQUE BOLTS AND NUTS
(a) Support the rear axle carrier with a jack.
(b) Torque the bolts and nuts of the strut rod.
Torque: 184 N Vm (1,880 kgf Vcm, 136 ft Vlbf)
(c) Torque the nut.
Torque: 143 N Vm (1,460 kgf Vcm, 106 ft Vlbf)
SA±122±
SUSPENSION AND AXLE REAR SUSPENSION
WhereEverybodyKnowsYourName

TORQUE SPECIFICATIONS
SA0WG±03
(FRONT)
\
 \
Part tightened NVm kgf Vcm ft Vlbf
\
 \
Hub nut 103 1,050 76
\
 \
Front and rear adjusting cam bolt 226 2,300 166
\
 \
Axle hub lock nut 199 2,030 147
\
 \
Lower ball joint X Steering knuckle 125 1,270 92
\
 \
Tie rod end X Steering knuckle 49 500 36
\
 \
Steering knuckle X Upper suspension arm 103 1,050 76
\
 \
Lower ball foint X Lower suspension arm 127 1,300 94
\
 \
Disc brake caliper X Steering knuckle 11 8 1,200 87
\
 \
Speed sensor set bolt 103 80 76 in. Vlbf
\
 \
Front shock absorber X Body 35 360 26
\
 \
Front shock absorber X Lower suspension arm 143 1,460 106
\
 \
Upper suspension arm mounting nut 164 1,670 121
\
 \
Piston rod lock nut 29 300 22
\
 \
Stabilizer link X Lower suspension arm 74 750 54
\
 \
Stabilizer link X Stabilizer bar 74 750 54
\
 \
Stabilizer bar bracket X Body 18 180 13
\
 \
Steering knuckle X Disc brake dust cover 19 195 14
(REAR)
\
 \
Part tightened N Vm kgf Vcm ft Vlbf
\
 \
Shock absorber X Lower suspension arm 143 1,460 106\
 \
Upper arm X Body 164 1,670 271\
 \
Rear axle carrier X Brake caliper 104 1,065 77\
 \
No. 1 lower arm X Rear axle carrier 59 600 43\
 \
No. 1 lower arm X Body 184 1,880 136
\
 \
No. 2 lower arm X Rear axle carrier 150 1,525 11 0
\
 \
No. 2 lower arm X Body 184 1,880 136
\
 \
Strut rod X Rear axle carrier 184 1,880 136
\
 \
Strut rod X Body 184 1,880 136
\
 \
Rear drive shaft X Axle hub 289 2,950 213
\
 \
Upper ball joint X Rear axle carrier 109 1,110 80
\
Parking brake backing plate X Rear axle carrier2626019\
 \
Rear drive shaft X Differential 83 850 64\
 
\

\
Differential mounting bolt \
Front
Rear 

147
142 

1,500
1,450 

108
105
\
 \
Differential carrier cover set bolt 47 475 34
\
 \
Suspension support X Body 27 280 20
\
 \
Suspension support X Shock absorber rod 27 280 20
\
 \
Stabilizer bar link nut 74 750 54
\
 \
Stabilizer bar bushing retainer bolt 28 290 21
±
SUSPENSION AND AXLE SERVICE SPECIFICATIONSSA±129
WhereEverybodyKnowsYourName

STEERING KNUCKLE WITH AXLE HUB
REMOVAL
SA01Y±08
1. JACK UP VEHICLE AND REMOVE FRONT WHEEL
2. REMOVE FRONT BRAKE CALIPER AND BRAKE DISC
(a) Remove the 2 bolts and remove the brake caliper from thesteering knuckle.
(b) Hang up the brake caliper using wire, etc.
(c) Place matchmarks on the brake disc and axle hub.
(d) Remove the 2 screws and remove the brake disc.
3. REMOVE ABS SPEED SENSOR FROM STEERING KNUCKLE
Remove the bolt and disconnect the sensor from the steering
knuckle.
4. CHECK BACKLASH IN BEARING SHAFT DIRECTION Place the dial indicator near the center of the axle hub and
check the backlash in the bearing shaft direction.
Maximum:
0.05 mm (0.0020 in.)
If greater than the specified maximum, replace the bearing.
±
SUSPENSION AND AXLE FRONT AXLE HUBSA±17
WhereEverybodyKnowsYourName

FRONT AXLE HUB DISASSEMBLY
SA0RL±04
1. REMOVE HUB BEARING CAPUsing a screwdriver, remove the hub bearing cap from the
steering knuckle.
2. REMOVE FRONT AXLE HUB LOCK NUT AND ABS SPEED SENSOR ROTOR
(a) Clamp the axle hub in a soft jaw vise.
HINT: Close vise until it holds hub bolt do not tighten further.
(b) Using a hammer and chisel, loosen the staked part of the lock
nut and remove it.
(c) Remove the sensor rotor.
NOTICE: Take care not to scratch the serrations of the sensor
rotor.
3. REMOVE AXLE SHAFT FROM STEERING KNUCKLE
(a) Remove the 4 bolts and shift the brake dust cover toward the hub side (outside).
(b) Using SST, remove the axle shaft from the steering knuckle. SST 09950±20017
±
SUSPENSION AND AXLE FRONT AXLE HUBSA±19
WhereEverybodyKnowsYourName