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Front Suspension: Removal & Installation Scion xA I

Suspension Front 8 illustrations ~1188 words

REMOVAL & INSTALLATION

Note. For view of Special Tools referred to throughout the following procedures, see SPECIAL TOOLS .

Removal

  1. Remove front wheel. Check wheel bearing backlash and deviation (rotational free play). See «WHEEL BEARING INSPECTION»(ref-164981-S39135413842004081900000) under ADJUSTMENTS & INSPECTION.
  2. Unstake lock nut. Hold drive shaft from turning by applying brakes and remove drive shaft lock nut. Remove brake caliper and disc and support caliper out of way. Remove disc.
  3. Remove ABS speed sensor and wire harness clamp. Remove brake hose from shock absorber clamp. Remove nut from front stabilizer bar link assembly.
  4. Remove cotter pin and nut from tie rod end. Use separator tool to disconnect tie rod end from steering knuckle. Using Special Tool (09628-00011), separate lower ball joint from steering knuckle.
  5. Using a plastic hammer, separate the front drive shaft assembly from the axle hub. Remove 2 nuts and bolts from lower end of shock absorber. Remove steering knuckle and axle hub from vehicle. see scheme 1
  6. Remove inner snap ring. (Scheme 8)
  7. Mount assembly in vise. Use slide hammer and attaching plate to remove axle hub. (Scheme 8) Using Special Tool (09950-40011, 09951-04020, 09952-04010, 09953-04030, 09954-04010, 09955-04061, 09957-04010, 09958-04011, 09950-60010, 09951-00370), remove the inner race of hub bearing from the hub sub-assembly. (Scheme 8) Remove 3 bolts and remove dust cover.
  8. Place the inner race of hub bearing on the outer race of hub bearing. Using Special Tool (09527-17011, 09950-60010, 09951-00640, 09950-70010, 09951-07100) and a press, remove the hub bearing from the steering knuckle. (Scheme 8)

Installation

  1. Using Special Tool (09950-60020, 09951-00720, 09950-70010, 09951-07100) and a press, install a new hub bearing to the steering knuckle. (Scheme 8) Install the dust cover with the 3 bolts. Tighten bolts to specifications. See «TORQUE SPECIFICATIONS»(ref-164981-S00735659102004081900000).
  2. Using Special Tool (09608-32010, 09950-60010, 09951-00600, 09950-70010, 09951-07100) and a press, install the hub sub-assembly. (Scheme 9) Using snap ring pliers, install a NEW hole snap ring.
  3. To complete installation, reverse removal procedure. Use NEW cotter pins. Tighten bolts to specifications. See «TORQUE SPECIFICATIONS»(ref-164981-S00735659102004081900000).

Scheme 8

Scheme 8
Scheme 8

Scheme 9

Scheme 9
Scheme 9
  1. Remove front wheel. Disconnect brake hose and ABS speed sensor clamp from shock absorber. Remove both wiper arms. (Scheme 10)and (Scheme 11). Disengage 8 clips and remove the hood to cowl top seal. Disengage 5 clips and remove the cowl top left side ventilator louver. Disengage 5 clips and remove the cowl top right side ventilator louver. Disconnect electrical connector. Remove 2 bolts. Slide the wiper link assembly to vehicle passenger side. Disengage the meshing of the rubber pin and remove the windshield wiper motor and link assembly. Using a screwdriver, disengage the meshing of 2 rods at the crank arm pivot of the windshield wiper motor assembly. Remove the 2 torx bolts and windshield wiper motor assembly. Remove cowl top panel sub-assembly outer side to reveal top of strut tower.
  2. Remove 2 lower shock absorber nuts and bolts and disconnect shock absorber from steering knuckle. (Scheme 12) Remove 3 upper shock absorber mounting nuts from inside engine compartment and remove shock absorber with coil spring.

Scheme 10

Scheme 10
Scheme 10

Scheme 11

Scheme 11
Scheme 11

Scheme 12

Scheme 12
Scheme 12

To install, reverse removal procedure. Tighten bolts and nuts to specification. See TORQUE SPECIFICATIONS . Inspect and adjust front wheel alignment. See WHEEL ALIGNMENT SPECIFICATIONS & PROCEDURES .

Removal & Installation (Left Side A/T Model)

Note. On the A/T model, the removal and installation of the lower No. 1 right side control arm can be performed without removing the power steering link assembly and front suspension cross member. see scheme 13- see scheme 15.

  1. Remove front wheels. Remove hood. Attach an engine chain hoist and suspend engine assembly. See REMOVAL & INSTALLATION in appropriate article ENGINE MECHANICAL article in ENGINES.
  2. Using Special Tool, separate both lower ball joints from steering knuckles, (Special Tool 09628-00011). (Scheme 13) While holding the front stabilizer link bolt with the spanner remove the nut. Remove the 2 retainers and cushion, and then remove the front stabilizer bolt. Perform the procedure above on the other side.
  3. Remove the 4 bolts and the 4 nuts, and separate the power steering link assembly. (Scheme 13) Suspend the power steering link assembly with safety wire. Remove the bolt and separate the pressure feed tube assembly. (Scheme 14)
  4. Remove the 2 bolts and both front suspension member reinforcement. see scheme 13 Remove the bolt and the 2 nuts and separate front suspension crossmember sub-assembly. (Scheme 14) Support the front suspension crossmember sub-assembly with the jack. Remove the 4 bolts and separate the front suspension crossmember sub-assembly. (Scheme 14)
  5. Remove the 2 bolts, nut and the front suspension arm sub-assembly lower control arm No. 1. (Scheme 14) Inspect the ball joint. See «BALL JOINT INSPECTION»(ref-164981-S31635164192004081900000).
  6. Temporarily tighten the front suspension arm sub-assembly lower No. 1 with the 2 bolts and the nut. (Scheme 15) Using Special Tool, align the holes of the suspension member and the body, (Special Tool 09670-00010). Perform the same procedure on the other side. Install the suspension member with the 4 bolts. (Scheme 15) Tighten bolts as specified: Bolt "A" - 52 ft. lbs. (70 N.m) and Bolt "B" - 86 ft. lbs. (116 N.m).
  7. Install the bolt and the 2 nuts and connect front suspension crossmember sub-assembly. (Scheme 15) Tighten bolt and 2 nuts to 59 ft. lbs. (80 N.m).
  8. To complete installation, reverse removal procedure. Tighten bolts to specifications. See «TORQUE SPECIFICATIONS»(ref-164981-S00735659102004081900000). Inspect and adjust front wheel alignment. See «WHEEL ALIGNMENT SPECIFICATIONS & PROCEDURES»(ref-164981-S41588865602004081900000).

Scheme 13

Scheme 13
Scheme 13

Scheme 14

Scheme 14
Scheme 14

Scheme 15

Scheme 15
Scheme 15

Removal & Installation (Left Side M/T Model)

Note. On the M/T model, the removal and installation of the lower No. 1 right side control arm is performed following the same procedures as for the lower No. 1 left side control arm (A/T model). See REMOVAL & INSTALLATION (LEFT SIDE A/T MODEL) and see scheme 13 - see scheme 15.

  1. Remove front wheels.
  2. Using Special Tool, separate ball joint from steering knuckle, (Special Tool 09628-00011). While holding the front stabilizer link bolt with the spanner remove the nut. Remove the 2 retainers and cushion, and then remove the front stabilizer bolt. Perform the procedure above on the other side.
  3. Remove the 2 bolts, nut and the front suspension arm sub-assembly lower control arm No. 1.
  4. For installation, reverse removal procedure. Tighten bolts to specifications. See «TORQUE SPECIFICATIONS»(ref-164981-S00735659102004081900000) . Inspect and adjust front wheel alignment. See «WHEEL ALIGNMENT SPECIFICATIONS & PROCEDURES»(ref-164981-S41588865602004081900000) .
  1. Remove lower No. 1 control arm. See «LOWER NO. 1 CONTROL ARM»(ref-164981-S03559939692004081900000) . Complete lower control arm must be removed and replaced to replace ball joint.
  2. Check ball joint turning torque. See «BALL JOINT INSPECTION»(ref-164981-S31635164192004081900000) under ADJUSTMENTS & INSPECTION.
  3. For installation, reverse removal procedure. Tighten bolts to specifications. See «TORQUE SPECIFICATIONS»(ref-164981-S00735659102004081900000) . Inspect and adjust front wheel alignment. See «WHEEL ALIGNMENT SPECIFICATIONS & PROCEDURES»(ref-164981-S41588865602004081900000) .
  1. Remove front suspension crossmember sub-assembly. See removal and installation procedure under «REMOVAL & INSTALLATION (LEFT SIDE A/T MODEL)»(ref-164981-S18429071902004081900000).
  2. Remove the 4 bolts and the 2 bushings front stabilizer bracket No. 1. see scheme 13- see scheme 15. Remove the stabilizer bar front.
  3. For installation, reverse removal procedure. Tighten bolts to specifications. See «TORQUE SPECIFICATIONS»(ref-164981-S00735659102004081900000). Inspect and adjust front wheel alignment. See «WHEEL ALIGNMENT SPECIFICATIONS & PROCEDURES»(ref-164981-S41588865602004081900000).

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