MAZDA 626 1987 Workshop Manual

ENGINE SPEED SENSING POWER STEERING 1 0
ccr
Oil pipe
Clogging or damage
86U10X-138
Tie-rod and tie-rod end
1. Tie-rod damage
2. Tie-rod ball joint damage and operation
3. Tie-rod end damage and operation
86U10X-139
Pressure pad and spring
1. Pressure pad damage
2. Spring damage
86U10X-140
I
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Rack
1. Rack cracking, damage, or wear of teeth
2. Seal ring holder wear or damage
3. Rack piston side corrosion
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1 0 ENGINE SPEED SENSING POWER STEERING
Gear housing and boots
1. Gear housing cracking or damage
2. Boot cracking or tearing
86U10X-142
ASSEMBLY
Torque Specifications
as
49—59 N m (5.0—6.0 m-kg, 36—43 ft-lb)
88—98 N m ^ (9.0—10.0 m-kg, 65—72 ft-lb)
31—36 N-m (3.2—3.7 m-kg, 23—27 ft-lb) I j 123-143 N-m / (12.5—14.5 m-kg, / 91-105 ft-lb)
69—98 Nm (7.0—10.0 m-kg, 51—72 ft-lb) 44—54 N-m (4.5—5.5 m-kg, 33—40 ft-lb)
34-44 N-m (3.5—4.5 m-kg, 25—33 ft-lb)
86U10X-251
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ENGINE SPEED SENSING POWER STEERING 1 0
Mounting bracket and rubber
1. Install the mounting rubber.
2. Tap the mounting bracket on with a plastic
hammer.
86U10X-143
O-ring and seal ring
1. Apply AFT to the O-ring and seal ring.
2. Install the O-ring in the ring groove of the rack.
3. Install the seal ring in the groove of the rack.
Note
Be careful not to cut or otherwise damage the
edge of the seal ring.
4. Compress the seal ring by hand to fit it to the
groove.
86U10X-144
Needle bearing
1. Apply grease to the end of the SST.
2. Apply ATF to the needle bearing.
3. Set the needle bearing on the SST.
Note
When installing the needle bearing to the SST,
install the embossed side first.
86U10X-145
4. Insert the needle bearing and the SST into the
housing.
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1 0 ENGINE SPEED SENSING POWER STEERING
5. Set the housing on a press and press in the
bearing.
86U10X-147
Oil seal
1. Apply grease to the end of the SST.
2. Apply ATF to the oil seal.
3. Set the oil seal on the SST.
86U10X-148
4. Insert the oil seal and the SST into the housing.
86U10X-149
Oii seal
Needle bearing
5. Set the housing on a press and press in the seal.
86U10X-150
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ENGINE SPEED SENSING POWER STEERING 1 0
Spacer and pinion housing side oil seal
1. Apply grease to flat surface of the spacer.
86U10X-151
2. Connect the oil seal to the grease coated surface
of the spacer.
3. Apply ATF to the inside and outside of the spacer
and oil seal.
86U10X-152
4. Set the spacer and oil seal on the SST.
86U10X-153
5. Insert the SST from the tube side.
86U10X-154
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1 0 ENGINE SPEED SENSING POWER STEERING
6. Install and tighten the SST nut against the tube.
7. Turn the SST shaft in as far as it will go to push
in the seal and spacer.
8. Remove the SST.
86U10X-155
Rack
1. Apply grease (lithium base, NLGI No.2) to the fric-
tion surface and teeth of the rack.
2. Slide the SST over tne rack and slide it in from the
tube side.
3. Remove the SST.
86U10X-156
Oil seal (Rack)
1. Apply ATF to the oil seal and slide it onto the rack.
76g10x-037
Set the SST on the rack.
Turn the SST as far as it will go, and push the oil
seal into the tube.
Remove the SST.
86U10X-158
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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.
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1 0 ENGINE SPEED SENSING POWER STEERING
Pinion shaft assembly
1. Apply grease (lithium base, NLGI No. 2) to the teeth
of the pinion shaft.
2. Apply ATF to the seal ring and the friction surface
of the control valve.
3. Install the pinion shaft in the housing.
Note
a) Be careful not to damage the oil seal by the
teeth of the pinion.
b) Be careful not to damage the edge of the
seal ring and control valve.
76G10X-038
76G10X-039
86U10X-165
Upper bearing
Apply ATF to the upper bearing, and then install it.
Oil seal
1. Apply ATF to the oil seal, and fill inside the lip with
grease (lithium base, NLGI No. 2).
2. Slide the SST over the serrations of the pinion shaft
assembly.
3. Slide the oil seal over the SST and position it in
the housing.
4. Tap the oil seal in with the SST until the snap ring
installation groove in the housing is just visible.
Note
Apply uniform force to the oil seal when in-
stalling.
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ENGINE SPEED SENSING POWER STEERING 1 0
86u10x-167
86u10x-168
86u10x-169
Snap ring
Install the snap ring.
Note
Verify that the snap ring is correctly seated
in the ring groove of the housing.
Locknut
1. Temporarily install the tie-rod on the tube side of
the rack.
2. Install the locknut and turn it until the tie-rod con-
tacts the tube.
3. Tighten the locknut.
Tightening torque:
39—49 N
m
(4.0—5.0 m-kg, 29—36 ft-lb)
Housing cover
1. Apply thread sealant to the housing cover threads.
2. Install the housing cover.
Tightening torque:
44—54 N-m (4.5—5.5 m-kg, 33—40 ft-lb)
3. Stake between the rack housing and housing cover
at two points with a center punch.
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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
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