MAZDA 626 1987 Workshop Manual

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
li s
I >M tf
49 H026 103
H
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

9 REAR AXLE
86U09X-027
69G09X-012
76G09X-003
REAR 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 or brake drum
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. (Disc)
Tightening torque: 45—67 N-m
(4.6—6.8 m-kg, 33—49 ft-lb)
7. Install the wheel.
Tightening torque: 88—118 N-m
(9.0—12.0 m-kg, 65—87 ft-lb)
86U09X-029
9—16

REAR AXLE 9
[Drum Brake]
REMOVAL
Remove in the sequence shown in the figure referring to the removal note for the specially marked parts.
86U09X-030
1. Hub cap
2. Lock nut
3. Brake drum
4. Parking brake cable
5. Brake pipe
6. Back plate
7. Trailing link
8. Lateral link
9. Shock absorber
10. Knuckle spindle
11. Brake shoe assembly
Removal Note
Disconnect the brake pipe with the SST.
86U09X-03 I
9—17

9 REAR AXLE
DISASSEMBLY
Disassemble in the sequence shown in the figure referring to the disassembly note for the specially
marked parts.
1. Oil seal
2. Retaining ring
3. Rear wheel
bearing
4. Brake drum
86U09X-032
Disassembly Note
Bearing
Remove the rear wheel bearing with the SST.
86U09X-033
9—18

REAR AXLE 9
86U09X-034
61G09X-036
86U09X-035
INSPECTION
Knuckle Spindle
1. Cracks or damage.
2. Wear or rust on the oil seal contact surface.
Brake Drum
Wear or damage to brake drum.
Note Remove minor rust with sandpaper
ASSEMBLY
1. Install a new rear wheel bearing with the SST.
2. Install the retaining ring.
3. Install a new oil seal with the SST.
Note
Apply grease to the oil seal lip.
86U09X-036
9—19

9 REAR AXLE
INSTALLATION
Install in the reverse order of removal referring to the installation note.
Torque specifications
93—117 N m (9.5—11.9 m-kg, 69—86 ft-lb)
13—22 N-m (1.3—2.2 m-kg, 9—16 ft-lb)
86—117 N-m (8.8—11.9 m-kg, 64—86 ft-lb)
45—59 N-m (4.6-6.0 m-kg, 33—44 ft-lb)
98—177 N-m (10—18m-kg, 73—131 ft-lb)
86U09X-037
installation Note
Brake pipe
1. Connect the brake pipe with the SST.
Tightening torque: 13—22 N-m
(1.3—2.2 m-kg, 9—16 ft-lb)
2. Bleed the air. (Refer to Section 11)
End play
Measure the end play. (Refer to page 9—16)
86U09X-038
9—20

REAR AXLE 9
[Disc Brake]
REMOVAL (2WS)
Remove in the sequence shown in the figure.
1. Hub cap
2. Lock nut
3. Caliper assembly
4. Disc plate
5. Wheel speed sensor (ABS)
6. Dust cover
7. Trailing link
8. Lateral link
9. Shock absorber
10. Knuckle spindle
86U09X-039
9-21