Lexus Car ES, IS, LS 1998-06
Coil Spring Rear Suspension
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Hub & Bearings
Adjustment
Check the backlash in bearing shaft direction and the axle hub deviation. Maximum for backlash should be 0.0020 in. (0.05mm) and for axle hub deviation 0.020 in. (0.05mm).
Fig. Checking wheel bearings for excessive play
NOTE
The rear wheel bearings are non-adjustable. If the wheel bearing is out of specifications, replace the wheel bearing.
Removal & Installation
- Before servicing the vehicle, refer to the Precautions section.
- Raise and safely support the vehicle.
- Remove or disconnect the following:
Rear tire and wheel assembly
Rear stabilizer link
Rear axle shaft nut
Rear disc brake caliper and disc
Speed sensor
Parking brake assembly at the wheel hub
No. 1 and 2 upper control arm assembly
No. 1 and 2 rear suspension arm assembly
Toe control link
Rear axle from hub assembly using a plastic hammer
No. 2 rear wheel bearing dust deflector using a screwdriver
4 bolts and rear axle hub and bearing assembly from the axle carrier assembly
To install:
- Install or connect the following:
Hub on the carrier and tighten the bolts to 52 ft. lbs. (70 Nm)
No. 2 rear wheel bearing dust deflector using a screwdriver
Rear axle into hub assembly
No. 1 and 2 upper control arm assembly. Torque the new nut to the No. 2 rear upper control arm to 52 ft. lbs. (70 Nm). Temporarily tighten the No. 1 arm bolt.
No. 1 and 2 rear suspension arm assembly. Temporarily tighten.
Toe control link. Torque new nut to 52 ft. lbs. (70 Nm).
Rear stabilizer link. Torque to 20 ft. lbs. (27 Nm).
Parking brake assembly at the wheel hub
Rear speed sensor
Rear axle shaft nut. Torque to 214 ft. Lbs. (290 Nm) and stake the nut with a chisel and hammer.
Rear brake disc and disc brake caliper
- Adjust the parking brake.
- Stabilize the suspension as follows :
- Install the wheel(s).
- Lower the vehicle and bounce it up and down several times to stabilize the rear suspension.
- Raise the vehicle.
- Remove the wheel.
- Jack up the rear lower suspension armplacing a wood block in between. Apply a load to the suspension so that the lower suspension arm is plkaced in a horizontal position.
- Fully tighten the No. 1 rear upper control arm assembly to 119 ft. lbs. (161 Nm).
- Fully tighten the No. 1 rear suspension arm assembly to 70 ft. lbs. (95 Nm).
- Fully tighten the No. 2 rear suspension arm assembly to 119 ft. lbs. (161 Nm).
Rear tire and wheel assembly
- Before servicing the vehicle, refer to the Precautions section.
- Raise and safely support the vehicle.
- Remove or disconnect the following:
NOTE
If it is necessary to replace the hub or bearing, replace the components as an assembly.
Rear tire and wheel assembly
If equipped with rear disc brakes, the caliper mounting bolts. Leave the brake line connected and suspend the assembly out of the way.
Brake rotor or drum
4 bolts and pull off the rear axle hub
O-ring
To install:
- Install or connect the following:
Hub on the carrier and tighten the bolts to 59 ft. lbs. (80 Nm)
Rotor or drum
Caliper, f equipped with rear disc brakes and tighten the bolts to 34 ft. lbs. (64 Nm)
Wheel
- Before servicing the vehicle, refer to the Precautions section.
- If equipped with air suspension, move the height control switch in the trunk area to the OFF position.
- Remove or disconnect the following:
Negative battery cable
Rear wheel(s)
Height control sensor link from the lower control arm
Anti-lock Brake System (ABS) speed sensor and wiring harness
Brake caliper bracket from the rear axle carrier by removing the 2 bolts. Support the caliper with a piece of wire.
Brake rotor
Parking brake shoes and cable
Cotter pin, lock cap and the nut holding the halfshaft to the rear axle
Suspension member brace by removing the 2 bolts
Halfshaft bolts and washers
Halfshaft from the vehicle
Strut rod
- Place matchmarks on the adjusting cam and body for the No. 1 control arm.
- Remove or disconnect the following:
Nut and adjusting cam
Nut on the axle carrier side of the No. 1 lower control arm
Separate the control arm from the axle carrier
No. 1 lower control arm
Stabilizer bar link from the No. 2 lower control arm.
- Place matchmarks on the adjusting cam and body.
- Remove or disconnect the following:
Nut and adjusting cam from the No. 2 lower control arm
Nut and bolt holding the No. 2 lower control arm to the axle carrier
No. 2 control arm from the vehicle
Nut and bolt on the lower side of the strut assembly
2 upper control arm set nuts and bolts
Axle carrier with the upper control arm
- Secure the axle carrier in a vise.
- Remove or disconnect the following:
Nut holding the upper control arm to the axle carrier and remove the control arm
Dust deflector. Use a suitable prytool.
Oil seal
Fig. Removing the oil seal (inner)-LS 430
- Remove the 2 bolts and nuts and shift the backing the plate towards the hub side (outside).
- Remove or disconnect the following:
Axle hub
Fig. Removing the axle hub from the axle carrier-LS 430
Backing plate.
Inner race (outside) from the axle hub
Fig. Removing the inner race (outside) from the axle hub-LS 430
Oil seal (outer) from the axle
Fig. Removing the oil seal (outer)-LS 430
Snapring from inside the axle housing
Bearing from the axle housing
To install:
- Install or connect the following:
New bearing to the axle housing
Snapring to the axle carrier, using snapring pliers
New outer oil seal. Coat the oil seal lip with multipurpose grease.
Fig. Installing the oil seal (outer)-LS 430
Backing plate to the axle housing. Do NOT install the bolts or nuts at this time.
Inner race (inside) to the axle housing
Axle hub to the axle housing
Backing plate in position. Tighten the bolts and nuts to 43 ft. lbs. (59 Nm).
New oil seal (inner) to the axle housing. Coat the oil seal lip with multipurpose grease.
Fig. Installing the oil seal (inner)-LS 430
New dust deflector. Be sure to align the hose for the ABS speed sensor in the dust deflector and axle carrier.
Upper control arm to the axle carrier by installing the nut. Tighten the nut to 80 ft. lbs. (108 Nm).
Axle carrier and upper control arm to the vehicle as an assembly
2 upper control arm set bolts and tighten the bolts to 121 ft. lbs. (164 Nm)
Bolt and nut holding the strut to the axle carrier. Tighten to 101 ft. lbs. (137 Nm).
Bolt and nut connecting the No. 2 lower control arm to the axle carrier. Tighten the bolt to 60 ft. lbs. (81 Nm).
Nut and adjusting cam to hold the No. 2 lower control arm to the body. Align the adjusting cam marks and tighten the nut to 57 ft. lbs. (78 Nm).
Stabilizer bar link to the No. 2 lower control arm and tighten the nut to 48 ft. lbs. (65 Nm)
No. 1 lower control arm to the axle carrier and body. Install the nut to hold the No. 1 lower control arm to the axle carrier. Tighten the nut to 43 ft. lbs. (59 Nm).
Nut and adjusting cam to hold the No. 1 lower control arm to the body. Align the matchmarks and tighten the nut to 57 ft. lbs. (78 Nm).
Strut rod to the axle carrier and body. Install the bolt and nut to hold the strut rod to the body. Tighten to 57 ft. lbs. (78 Nm).
Bolt and nut to hold the strut rod to the axle carrier. Tighten to 136 ft. lbs. (184 Nm)
Parking brake shoes and cable
Outboard joint side of the halfshaft and align the matchmarks on the side gear shaft and the halfshaft. Coat the threads with clean oil and install the hexagon bolts. Tighten bolts to 61 ft. lbs. (83 Nm).
Suspension member brace with the 2 bolts. Tighten the 2 bolts to 37 ft. lbs. (50 Nm).
Nut to hold the halfshaft to the rear axle. Tighten the nut to 213 ft. lbs. (289 Nm).
Lock cap and cotter pin
Brake disc to the axle hub with the matchmarks aligned. Install the 2 screws and tighten the screws to 48 inch lbs. (5 Nm).
Brake caliper to the vehicle and install the 2 bolts. Tighten the bolts to 77 ft. lbs. (104 Nm).
ABS speed sensor and wiring harness
Height control sensor link with the matchmarks aligned. Tighten the nut to 48 inch lbs. (5 Nm).
Rear wheel(s)
Negative battery cable
- Lower the vehicle and turn ON the air suspension switch.
Fig. Exploded view rear carrier assembly, hub and bearing-
- Before servicing the vehicle, refer to the Precautions section.
- Remove or disconnect the following:
WARNING
Be careful not to damage the boot and ABS sensor
Rear wheel(s)
Height control sensor link from the lower control arm
Anti-lock Brake System (ABS) speed sensor and wiring harness
Brake caliper bracket from the rear axle carrier by removing the 2 bolts. Support the caliper with a piece of wire.
Brake rotor
Parking brake shoes and cable
Toe control link
Separate upper control arm assembly
Shock absorber from axle carrier
Suspension arms No 1 and 2 from axle carrier
Rear axle from carrier
Wheel bearing dust deflector
4 bolts and axle & bearing hub assembly
To install:
- Install or connect the following:
4 bolts and axle & bearing assembly. Tighten to 48 ft. lbs (65 Nm)
Rear wheel bearing dust deflector
Rear drive axle
Upper control arm. Temporarily tighten
No 2 and No 1 suspension arms. Tighten to 52 ft. lbs. (70 Nm)
Shock absorber. Temporarily tighten
Toe control link. Tighten to 37 ft. lbs. (50 Nm)
Fully tighten upper control arm. Tighten to 52 ft. lbs. (70 Nm)
Height control sensor
Parking brake shoes and cable
Speed sensor
Rear disc brake caliper
Fully tighten shock with new nut to 52 ft. lbs. (70 Nm)
Rear tire
- Inspect and adjust rear wheel alignment
- Check ABS speed sensor signal
- Before servicing the vehicle, refer to the Precautions section.
- Remove or disconnect the following:
Rear wheel
Wheel speed sensor
Axle halfshaft
Brake caliper and rotor
Parking brake shoes
Parking brake cable
No. 1 lower suspension arm bolt
No. 2 lower suspension arm bolt
Toe control link
Upper ball joint
Axle carrier from the vehicle
- Press the hub out of the wheel bearing, then remove the backing plate.
- Remove the snapring, then press the wheel bearing out of the axle carrier.
To install:
NOTE
Use a new toe control link nut for assembly.
- Installation is the reverse of the removal procedure, while using the following torque values:
Backing plate bolts: 43 ft. lbs. (59 Nm)
No. 1 lower suspension arm bolt: 55 ft. lbs. (75 Nm)
No. 2 lower suspension arm bolt: 81 ft. lbs. (110 Nm)
Toe control link nut: 36 ft. lbs. (49 Nm)
Upper ball joint nut: 80 ft. lbs. (108 Nm)
Brake caliper support bolts: 77 ft. lbs. (104 Nm)
Rear wheel lug nuts: 76 ft. lbs. (103 Nm)
Fig. Exploded view rear Axle carrier and hub assembly-ES 330
- Before servicing the vehicle, refer to the Precautions section.
- Remove or disconnect the following:
Rear tire and wheel assembly
Brake caliper support bracket
Brake rotor
Skid control sensor wire
4 bolts and rear hub and bearing assembly
Skid control sensor
To install:
- Install or connect the following:
NOTE
Inspect bearing back lash and hub deviation
Skid control sensor
Rear axle hub and bearing assembly with 4 bolts. Tighten to 59 ft. lbs. (80 Nm)
Skid control sensor wire
Rear disc
Rear disc brake caliper assembly. Tighten to 46 ft. lbs (62 Nm)
Flexible brake hose
Rear tire and wheel
- inspect and adjust rear wheel alignment
- Check ABS speed sensor signal
Stabilizer Bar
Removal & Installation
- Remove the rear wheels.
- Remove the 2 nuts and left stabilizer bar link. If the ball joint turns together with the nut, use a hexagon wrench (5 mm) to hold the stud. Repeat for the right side.
- Remove the 8 bolts, 2 No. 1 brackets and 2 bushings. Two types of bolts are used, so make sure the correct bolts are installed.
- Remove the stabilizer bar.
To install:
- Install the stabilizer bar.
- Install the bushing and bracket with the 2 bolts and tighten to 14 ft. lbs. (19 Nm). Install the bushing to the inner side of the bushing stopper on the stabilizer bar.
- Connect the stabilizer bar links and tighten the nuts to 29 ft. lbs. (39 Nm). Repeat for the right side.
- Install the rear wheels.
- Inspect and adjust rear wheel alignment.
Strut & Coil Spring
Removal & Installation
- Before servicing the vehicle, refer to the Precautions section.
- Remove or disconnect the following:
CAUTION
Do NOT remove the center nut to the strut at this time. The spring on the strut is under high pressure and can cause serious injury.
No. 2 luggage compartment trim cover
Left and right deck side trim box
Rear luggage compartment trim cover
Front luggage compartment trim cover
Left and right side luggage compartment trim covers
Rear wheel
Rear wheel fender liner
No. 2 differential support protector
Rear suspension member brace
Rear No. 2 lower control arm
Mounting bolts and strut assembly
- Secure the strut in a vise.
- Compress the coil spring
- Remove or disconnect the following:
Upper strut retaining nut
Suspension support
Upper insulator
Bumper
Coil spring
Insulator
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