ect LEXUS SC300 1991 Service Repair Manual

(b) Before loosening the adjusting cam, place matchmarks onthe front and rear adjusting cams and body.
(c) Remove the nuts and adjusting cams and remove the lower suspension arm.
7. REMOVE SHOCK ABSORBER BRACKET FROM LOWER SUSPENSION ARM
Remove the 2 bolts and the bracket from the arm.
LOWER BALL JOINT INSPECTION
SA0RW±04
INSPECT BALL JOINT FOR ROTATION CONDITION
(a) As shown, flip the ball joint stud back and forth 5 times before
installing the nut.
(b) Using torque wrench, turn the nut continuously one turn every 2±4 seconds and take the torque reading on the 5th
turn.
Torque (turning):
1.0±3.4 N Vm (10±35 kgf Vcm, 9±30 in. Vlbf)
If not within specification, replace the lower suspension arm.
SA±42
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LOWER SUSPENSION ARM
INSTALLATION
SA1A5±01
1. INSTALL SHOCK ABSORBER BRACKET TO LOWERSUSPENSION ARM
Install the bracket to the arm with the 2 bolts.
Torque: 52 N Vm (530 kgf Vcm, 38 ft Vlbf)
2. INSTALL LOWER SUSPENSION ARM
(a) Install the lower suspension arm to the body and temporarily
install the adjusting cams and nut.
(b) Connect the lower suspension arm to the steering knuckle.
Torque: 125 N Vm (1,270 kgf Vcm, 92 ft Vlbf)
(c) Install a new clip.
(d) Connect the shock absorber to the lower suspension arm
with the bolt and nut.
Torque: 143 N Vm (1,460 kgf Vcm, 106 ft Vlbf)
2. CONNECT STABILIZER BAR LINK
(a) Connect the stabilizer bar link to the lower suspension arm
with the nut.
Torque: 74 N Vm (750 kgf Vcm, 54 ft Vlbf)
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SUSPENSION AND AXLE FRONT SUSPENSIONSA±43
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STABILIZER BAR AND LINK REMOVAL
SA0WH±02
1. JACK UP VEHICLE AND REMOVE FRONT WHEELS
2. REMOVE ENGINE UNDER COVER
3. REMOVE BOTH SIDE STABILIZER BAR LINKSRemove the nuts and the stabilizer bar links from the stabiliz-
er bar and the lower suspension arm.
4. REMOVE STABILIZER BAR Remove the 4 bracket mounting bolts and the stabilizer bar
with the cushions and brackets.
5. REMOVE CUSHIONS AND BRACKETS
STABILIZER BAR LINK INSPECTION
SA035±0C
INSPECT BALL JOINT FOR ROTATION CONDITION
(a) As shown, flip the ball joint stud back and forth 5 times, before
installing the nut.
(b) Using a torque wrench, turn the stud continuously one turn every 2±4 seconds and take the torque reading on the 5th
turn.
Torque (turning):
0.05 ± 1.5 N Vm (0.5 ± 15 kgf Vcm, 0.4 ± 13 in. Vlbf)
STABILIZER BAR AND LINK
INSTALLATION
SA0WJ±02
1. INSTALL CUSHIONS AND BRACKETS
(a) Install the cushion so as to touch the line painted on the
stabilizer bar.
HINT: Install the cushion to the inside of the line.
(b) Install the brackets.
SA±46
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SUSPENSION AND AXLE FRONT SUSPENSION
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REAR AXLE CARRIER REMOVAL
SA0RY±03
1. JACK UP VEHICLE AND REMOVE REAR WHEEL
2. REMOVE REAR BRAKE CALIPER AND BRAKE DISC
(a) Remove the 2 bolts and remove the brake caliper from therear axle hub.
(b) Hang up the brake caliper using wire, etc.
(c) Place matchmarks on the brake disc and axle hub.
(d) Remove the brake disc.
3. 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.
4. CHECK AXLE HUB DEVIATION Using a dial indicator, check the deviation at the surface of
the axle hub outside the hub bolt.
Maximum:
0.07 mm (0.0028 in.)
If greater than the specified maximum, replace the axle hub.
SA±52
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SUSPENSION AND AXLE REAR AXLE HUB
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(d) Slide the backing plate to the outside and disconnect theparking brake cable.
(e) Remove the bolt and nut and disconnect the strut rod.
(f) Remove the nut.
(g) Using SST, disconnect the No.1 lower suspension arm. SST 09628±10011
NOTICE: Be careful not to damage the dust boot.
(h) Remove the nut.
SA±54
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(i) Using SST, disconnect the No.2 lower suspension arm.SST 09610±20012
NOTICE: Be careful not to damage the dust boot.
(j) Remove the nut.
(k) Using SST, disconnect the upper arm and remove the axle carrier.
SST 09628±62011
NOTICE: Be careful nut to damage the dust boot.
AXLE HUB DISASSEMBLY
SA0RZ±02
1. REMOVE DUST DEFLECTORUsing a screwdriver, remove the dust deflector.
2. REMOVE OIL SEAL (INSIDE)
(a) Mount the axle carrier in a vise. HINT: Use a set of soft jaws in the vise to protect the axle carri-
er.
NOTICE: Do not tighten the vise too tight.
(b) Using SST, remove the oil seal. SST 09308±00010
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SUSPENSION AND AXLE REAR AXLE HUBSA±55
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(c) Using SST and a press, install the axle hub.SST 09608±32010, 09608±35014 (09608±06020,09608±06100)
4. INSTALL OIL SEAL (INSIDE)
(a) Using SST and a hammer, install a new oil seal. SST 09223±15020, 09608±32010, 09608±35014,
(09608±06020)
(b) Coat MP grease to the oil seal lip.
5. INSTALL DUST DEFLECTOR Using SST and a press, install a new dust deflector.
SST 09608±32010, 09608±35014 (09608±06160)
HINT: Align the holes for the ABS speed sensor in the dust
deflector and carrier.
REAR AXLE CARRIER WITH UPPER
ARM INSTALLATION
SA0S1±03
1. INSTALL REAR AXLE HUB WITH CARRIER
(a) Connect the upper arm to the axle carrier with a new nut.
Torque: 109 N Vm (1,100 kgf Vcm, 80 ft Vlbf)
(b) Connect the No.2 lower suspension to the axle carrier with a
new nut.
Torque: 150 N Vm (1,525 kgf Vcm, 110 ft Vlbf)
SA±58±
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(c) Connect the No. 1 lower suspension arm to the axle carrierwith a new nut.
Torque: 59 N Vm (600 kgf Vcm, 43 ft Vlbf)
(d) Connect the strut rod to the axle carrier and temporarily install
the bolt and nut.
(e) Connect the parking brake cable.
(f) Slide the backing plate to the inside.
(g) Install the hexagon bolt.
Torque: 180 N Vm (1,825 kgf Vcm, 132 ft Vlbf)
(h) Install the 2 bolts.
Torque: 26 N Vm (260 kgf Vcm, 19 ft Vlbf)
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SUSPENSION AND AXLE REAR AXLE HUBSA±59
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REAR DRIVE SHAFT DISASSEMBLY
SA0UY±05
1. CHECK DRIVE SHAFT
(a) Check that operation of the joint is smooth within the slidingregion in the axial direction.
HINT: If a large angle is used for the cross±groove type joint,
the joint will feel like it is catching, but this does not indicate
an abnormality.
(b) Check that there are no cracks, damage or grease leaks with
the boots.
(c) Check that there are no scratches on the speed sensor rotor.
2. REMOVE END COVER
(a) Using a screwdriver, remove the end cover.
(b) Use bolts, nuts and washers to keep the i nboard joint
together.
NOTICE: Tighten the bolt by hand to avoid scratching the
flange surface.
3. REMOVE BOOT CLAMPS Using a side cutter or pliers, remove the clamps.
SA±68
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SUSPENSION AND AXLE REAR DRIVE SHAFT
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REAR DRIVE SHAFT ASSEMBLY
SA0UZ±05
1. ASSEMBLE INBOARD JOINTIf the joint has come apart, reassemble it in the following or-
der.
(a) Align the matchmarks placed before removal.
HINT: When the matchmarks have disappeared, perform the
following procedure.
(1) Install the inner race to the cage so that the indented bev-elled part of the inner race is on the opposite side to the
bevelled top of the cage.
(2) Install the outer race so that the indented side of the outer race is facing the same side as the bevelled surface of
the cage.
(3) Match the narrow projections of the inner race with the wide projections of the outer race.
(b) Tilt the cage and inner race to the side and insert the balls one
by one.
NOTICE: When the cage and inner race are tilted over, support
the joint with your hand to prevent the balls from falling out.
2. TEMPORARILY INSTALL NEW BOOTS AND NEW BOOT CLAMPS
(a) Place 4 new boot clamps to each boots.
HINT: Before installing the boots, wrap vinyl tape around the
spline of the shaft to prevent damaging the boots.
(b) Install the 2 boots to the drive shaft.
3. INSTALL INBOARD JOINT COVER
(a) Apply seal packing to the inboard joint cover as shown in the illustration.
Seal packing:
Part No.08826±00801, THREE BOND 1121 or equivalent
wInstall a nozzle that has been cut to a 1 mm (0.04 in.)
opening.
SA±70
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SUSPENSION AND AXLE REAR DRIVE SHAFT
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