1987 MAZDA 626 Workshop Manual

9 FRONT AXLE
69G09X-011
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69G09X-012
76G09X-002
FRONT AXLE
ON-VEHICLE MAINTENANCE
Wheel Bearing Play
1. Jack up the vehicle and support it with safety
stands.
2. Check that there is no abnormal noise and that the
tire rotates smoothly when rotated by hand.
3. Remove the wheel.
4. Remove the caliper assembly and suspend it us-
ing a rope.
5. Position a dial indicator against the hub cap, then
push and pull the front wheel hub by hand in the
axial direction and measure the end play of the
wheel bearing.
If the end play exceeds specification, replace the
wheel bearing.
End play: 0.2 mm (0.0079 in) max
6. Install the caliper assembly.
Tightening torque: 78—98
N
m
(8.0—10.0 m-kg, 58—72 ft-lb)
7. Install the wheel.
Tightening torque: 88—118
N
m
(9.0—12.0 m-kg, 65—87 ft-lb)
86U09X-008
9—8

FRONT AXLE 9
REMOVAL
Removal in the sequence shown in the figure referring to the removal note for the specially marked parts.
1. Hub cap
2. Lock nut
3. Caliper assembly
4. Disc plate
5. Tie-rod end
6. Stabilizer
7. Lower arm
8. Wheel speed sensor (ABS)
9. Knuckle
86U09X-009
Removal Note
Lock nut
1. Uncrimp the tab of the lock nut.
86U09X-010
9—9

FRONT AXLE
Caliper assembly
Remove the caliper assembly and suspend it.
Tie-rod end
Disconnect the tie-rod end with the SST.
86U09X-012
Stabilizer
Remove the stabilizer bolt.
Wheel speed sensor (ABS)
Remove the speed sensor.
86U09X-014
9—10

FRONT AXLE 9
DISASSEMBLY
Disassemble in the sequence shown in the figure referring to the disassembly note for the specially
marked parts.
1. Oil seal
2. Front wheel hub
3. Retaining ring
4. Front wheel
bearing
5. Dust cover
6. Knuckle
86U09X-015
Disassembly Note
Front wheel hub
Remove the front wheel hub with the SST.
86U09X-083
—
Note
If the bearing inner race remains on the front
wheel hub, grind a section of the bearing in-
ner race to approx. 0.5 mm (0.0197 in).
Then remove it with a chisel.
86U09X-086
9—11

9 FRONT AXLE
Front wheel bearing
Remove the front wheel bearing with the STT.
86U09X-016
INSPECTION
Check as described below, replace parts if necessary.
1. Check the knuckle for cracks or damage.
2. Check the front wheel hub for seizure, cracks or
damage.
86U09X-098
3. Check the dust cover for cracks or damage.
69G09X-084
9-12
86U09X-084

FRONT AXLE 9
ASSEMBLY
1. Install new hub bolts. (If applicable)
2. Install a new dust cover with the SST.
86U09X-017
3. Install a new front wheel bearing with the SST.
86U09X-018
4. Install the retaining ring.
5. Install a new oil seal with the SST.
Note
Apply grease to the oil seal lip.
86U09X-019
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6. Install the front wheel hub with the SST.
86U09X-020
9—13

9 FRONT AXLE
INSTALLATION
Torque Specifications
11—25 N m (1.1—2.5 m-kg, 8—19 ft-lb)
8 ©
86U09X-021
1. Install the knuckle to the shock absorber.
Tightening torque: 93—117
N
m
(9.5—11.9 m-kg, 69—86 ft-lb)
2. Install the lower arm ball-joint.
Tightening torque: 43—54 N-m
(4.4—5.5 m-kg, 32—40 ft-lb)
3. Install the driveshaft.
86U09X-022
9—14

FRONT AXLE 9
86U09X-023
86U09X-024
86U09X-025
4. Install the stabilizer.
Dimension: 20.1 mm (0.79 in)
Tightening torque: 16—23 N-m
(1.6—2.3 m-kg, 12—17 ft-lb)
5. Install the wheel speed sensor. (ABS)
Tightening torque: 16—23 N-m
(1.6—2.3 m-kg, 12—17 ft-lb)
6. Install the tie-rod end.
Tightening torque: 29—44 N-m
(3.0—4.5 m-kg, 22—33 ft-lb)
86U09X-026
7. Check the end play. (Refer to page 9—8)
End play: 0.2 mm (0.0079 in) max.
8. Stake the lock nut to groove.
9. Install the caliper assembly.
Tightening torque: 78—98 N-m
(8.0—10.0 m-kg, 58—72 ft-lb)
10. Install the wheel.
Tightening torque: 88—118 N-m
(9.0—12.0 m-kg, 65—87 ft-lb)
9-15