MAZDA 626 1987 Workshop Manual

9 OUTLINE
OUTLINE
STRUCTURAL VIEW
Driveshaft (MTX)
86U09X-080
1. Lock nut
2. Shaft and ball joint as-
sembly
3. Boot
4. Boot band
5. Ball joint assembly
(differential side)
6. Snap ring
7. Clip
8. Clip
9. Joint shaft assembly
10. Reamer bolt
11. Bracket mounting bolt
9—2

OUTLINE 9
Driveshaft (ATX)
86U09X-031
1. Lock nut
2. Shaft and ball joint as-
sembly
3. Boot
4. Boot band
5. Tripod joint assembly
6. Clip
7. Joint shaft assembly
9—3

9 OUTLINE
Front Axle
86U09X-002
1. Lock nut 4. Driveshaft
2. Disc plate 5. Wheel speed sensor (ABS)
3. Caliper assembly
9—4

OUTLINE 9
Rear Axle
Drum brake
Disc brake
1. Lock nut
2. Brake drum
3. Back plate
4. Parking cable
5. Brake pipe
6. Disc plate
7. Dust cover
8. Knuckle spindle
9. Wheel speed sensor (ABS)
86U09X-003
9—5

9 OUTLINE
Rear Axle (4WS)
86U09X-004
1. Lock nut 4. Knuckle spindle
2. Disc plate 5. Wheel speed sensor (ABS)
3. Dust cover 6. Shock absorber
SPECIFICATIONS
—-— Engine model
Item """ ~'
F6, F8, RF-N FE, RF-CX —-— Engine model
Item """ ~' Right Left Right Left
Length of joint mm (in)
(between centers of joints)
MTX 368.5 (14.51) 368.5 (14.51) 360.0 (14.17) 360.0 (14.17) Length of joint mm (in)
(between centers of joints) ATX 359.5 (14.15) 359.5 (14.15) 355.5 (14.00) 355.5 (14.00)
Shaft diameter mm (in) MTX 23.0 (0.91) 24.0 (0.94) Shaft diameter mm (in) ATX 23.0 (0.91) 24.0 (0.94)
76G09X-001
86U09X-082
9—6

TROUBLESHOOTING GUIDE 9
TROUBLESHOOTING GUIDE
Problem Possible Cause Remedy Page
Faulty operation of
driveshaft
Broken ball joint
Broken tri-pod joint
Worn or seized joint
Replace
Replace
Replace
9—31
9—35
9—31, 35
Abnormal noise from driveshaft Insufficient grease in joint or spline Excessive backlash on spline Worn joint
Add or replace
Replace
Replace
9—33, 36 9—31, 35 9-31, 35
Steering wheel pulls. (Steering wheel pulls toward either right or left side)
Bent steering linkage
Fatigued coil spring
Lower arm bushing worn or damaged Bent knuckle Bent lower arm or loose mounting Incorrect toe-in adjustment Improper tire air pressure Unevenly worn tires (left and right tires) Brake dragging
Refer to Section 10 Refer to Section 13 Refer to Section 13 Replace Refer to Section 13 Refer to Section 13 Refer to Section 12 Refer to Section 12 Refer to Section 11
9-11
Unstable handling Bent steering linkage
Joint in steering system worn or damaged
Incorrect steering pinion preload adjustment Fatigued coil spring
Faulty shock absorber(s) Lower arm bushing worn or damaged Incorrect toe-in adjustment (front or rear) Improper tire air pressure Wheel(s) bent or unbalanced
Refer to Section 10 Refer to Section 10 Refer to Section 10 Refer to Section 13 Refer to Section 13 Refer to Section 13 Refer to Section 13 Refer to Section 12 Refer to Section 12
—
Excessive steering wheel play Faulty front wheel bearing Incorrect steering pinion preload adjustment Rack and pinion worn Joint in steering system worn or damaged Lower arm bushing worn or damaged
Adjust Refer to Section 10 Refer to Section 10 Refer to Section 10 Refer to Section 13
9-11
Tires excessively worn or worn un-evenly
Incorrect toe-in adjustment Improper tire air pressure Unbalanced wheel(s)
Refer to Section 13 Refer to Section 12 Refer to Section 12 —
Abnormal noise
from axle
Faulty wheel bearing Replace 9-11,18,23
86U09X-006
9—7

9 FRONT AXLE
69G09X-011
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jb
rCf?^
^ T
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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