ECU MAZDA 626 1987 Repair Manual

DRIVESHAFT 9
[MTX]
DISASSEMBLY
Disassemble in the sequence shown in the figure referring to the disassembly note for specially marked
parts.
Note
a) Clamp the shaft in a vice. Use protectors in the vice to avoid damage.
b)Do not allow dirt or foreign matter in the joint during disassembly or assembly.
c) Do not disassemble the ball-joint at the wheel side. Do not wipe the grease off if there
is no problem.
d)Do not remove the clip used to secure the outer ring to the ball-joint at the differential
side if there is no problem.
If the clip is removed, replace it with a new one.
1. Boot band
2. Clip
3. Outer ring
4. Snap ring
86U09X-059
5. Ball joint
6. Boot band
7. Boot
8. Clip
9. Sensor rotor (Refer to Section 11)
Clip
1. Make matching marks on the driveshaft and out-
er ring for proper reassembly.
Note
Mark with paint, do not use a punch.
2. Remove the clip.
86U09X-091
9-31

DRIVESHAFT 9
ASSEMBLY
Boot
Wrap the shaft splines with tape before installing the
boot.
86U09X-093
Wheel side
Note
a) The wheel side arid differential side boots
are different as shown in the figure.
b) Fill the inside of the ball joint with the speci-
fied grease included in the kit.
c) Securely fit the boot to the shaft and the
outer race boot grooves.
86U09X-062
Balls, inner ring and cage
1. Align the matching marks and install the balls.
86U09X-094
2. Apply molybdenum disulfide grease to the joint.
Note
Do not use other than specified grease.
86U09X-095
9-33

9 DRIVESHAFT
INSPECTION
Check and replace any faulty parts.
1. Twisted, bent, or damaged shaft.
2. Wear or scoring of splines.
3. Wear, excessive looseness, seizure, rust, or dam-
age of bearing.
4. Checking, damage, or deterioration of boots.
5. Excessive play or heat damage of joint shaft
bearing.
86U09X-066
Wheel side Differential side
86U09X-067
ASSEMBLY
Assemble in the reverse order of disassembly, refer-
ring to assembly note.
Assembly Note
Note
a) The wheel side and differential side boots
are different as shown in the figure.
b) Fill the inside of the ball joint with the speci-
fied grease included in the kit.
c) Securely fit the boot to the shaft and the
outer race boot grooves.
Tripod joint
Install the snap ring to the joint.
86U09X-068
Clip
Install a new clip.
86U09X-069
9-36

TIE-ROD END BOOT 1 0
86U10X-030
Removal Note
Tie-rod end
Separate the tie-rod end from the knuckle using the
SST
69G10X-039
Nut
Before removing the nut from the tie-rod end, make
a mark for reference during installation.
Boot
Secure the tie-rod end in a vise. Place a chisel against
the boot and hold it at the angle shown. Remove the
boot by tapping with a hammer.
Caution
Be careful not to scar the part where the boot
is attached to the tie-rod end.
86U10X-031
10—19

MANUAL STEERING 1 0
Disassembly Note
Steering gear and linkage
Secure the gear and linkage in a vise.
Caution
Insert protective material (such as copper
plates) in the jaws of the vise.
86U10X-089
Tie-rod ends
Before removing the tie-rod ends, make a mark for
proper installation.
86U10X-090
Tie-rods
Remove the tie-rods.
1. Uncrimp the washer as shown in the figure.
86U10X-091
2. Secure the rack in a vise and remove the tie-rod.
86U10X-092
10—49

10 MANUAL STEERING
86U10X-115
86U10X-116
86U10X-117
Dust Cover
)
2
Oil seal
is Nm
sn n
12. Torque the adjust cover to 9.8 N-m (1 m-kg,
7.2 ft-lb), then loosen it 25°—45°. Secure the ad-
just cover with the locknut and the SST.
Locknut tightening torque:
39—59 N-m (4.0—6.0 m-kg, 29—43 ft-lb)
Note
Apply sealant to the threads of the adjust cov-
er before installing.
13. Measure the pinion torque with the SST.
Center position ± 90°
Pull gauge reading:
1,000—1,400 g (35—50 oz)
Any other position
Pull gauge reading:
less than 1,700 g (60 oz)
14. Mark the positions of the rack grooves of the left
tie-rod for staking.
15. Install the new washer on the left tie-rod, and in-
stall the tie-rod.
Tightening torque:
78—98 N-m (8.0—10.0 m-kg, 58—72 ft-lb)
16. Stake the washer in two places.
17. Use a pipe to press in the oil seal until it is flush
with the end of the rear cover.
18. Slide on the dust cover so that it fits into the pinion
groove.
19. Press in the boot support. Be sure that it fits tightly.
86U10X-118
10—56

ENGINE SPEED SENSING POWER STEERING 1 0
Disassembly Note
Steering gear and linkage
Secure the gear and linkage in a vise.
Caution
Insert protective material (such as copper
plates) in the jaws of the vise.
86U10X-122
Tie-rod ends
Before removing the tie-rod ends, make a mark for
proper installation.
86U10X-123
Tie-rod
1. Remove the tie-rod from rack.
2. Remove the roll pin with a pin-punch and hammer.
86U10X-124
Adjust cover
1. Remove the locknut from the adjust cover.
2. Remove the adjust cover with the SST.
3. Remove the spring and pressure pad.
86U10X-125
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ENGINE SPEED SENSING POWER STEERING 1 0
86U10X-130
86U10X-131
86U10X-132
2. Install the SST to the threaded part of the rack at
the tube side.
3. Remove the oil seal at the tube side which pulling
out the rack.
Spacer and oil seal at housing side
1. Insert the SST from the pinion housing side so that
it contacts the spacer.
2. Set the SST against the SST inserted in step 1.
3. Secure the gear housing in a vise.
4. Drive the spacer and oil seal out of the housing.
Lower bearing
Drive the lower bearing out of the housing with the
SST
86U10X-133
10-61

ENGINE SPEED SENSING POWER STEERING 1 0
Rack bushing
1. Install the rack bushing assembly in the rack
housing.
Tightening torque:
88—98 N m (9—10 m-kg, 65—72 ft-lb)
Note
The oil seal is pushed to the correct position
in the rack housing by the tightening of the
rack bushing.
86U10X-159
2. Stake the rack housing at two points approx 1.5
mm (0.06 in) from the end with a hammer and
center punch.
86U10X-160
Hermetic inspection
1. Connect the SST to the cylinder housing.
2. Connect a vacuum pump to the SST.
3. Apply 400 mmHg (15.7 inHg) vacuum.
4. Verify that vacuum is held for at least 30 sec. If
not, check the seal and assembly.
86U10X-161
Lower bearing
1. Secure the gear housing in a vise so that the low-
er bearing bore faces upward.
2. Apply ATF to the lower bearing, then install it in
the housing.
3. Press the bearing into the gear housing with the
housing cover. Tighten the cover until the tighten-
ing force suddenly increases.
86U10X-162
10—69

1 0 ENGINE SPEED SENSING POWER STEERING
Pressure pad
1. Secure the gear housing in a vise so that the pres-
sure pad position faces upward.
2. Apply grease (lithium base NLGI No. 2) to the rack
sliding surface of the pressure pad; then install it
in the housing.
3. Install the pressure pad.
86U1OX-171
Adjust cover
1. Set the rack in the center position.
2. Tighten the adjust cover to 9.8 N-m (100 cm-
kg, 7.2 ft-lb) then loosen it.
3. Tighten again to 4.9 ± 0.5 N-m (50 ± 5 cm-
kg, 3.6 ± 0.4 ft-lb), and then return it 45°.
4. Apply thread sealant to the exposed threads of ad-
just cover.
86U10X-172
5. Install and tighten the locknut.
Tightening torque:
49—59 N-m (5.0—6.0 m-kg, 36—43 ft-lb)
86U10X-173
Tie-rod
1. Secure the rack in a vise.
2. Install the tie rod on the rack.
Tightening torque:
123—143 N-m
(12.5—14.5 m-kg, 90.6—105 ft-lb)
86U10X-174
10-72