1987 MAZDA 626 Workshop Manual

MANUAL STEERING 10
20. Install the boot, then wrap a new wire around it two
times and twist 4 to 4.5 times.
Install the clip.
Caution
Check that the boot is not twisted or dented.
86U10X-119
21. Install the tie-rod ends, aligning them with the marks
made before disassembly.
86U10X-120
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1 0 ENGINE SPEED SENSING POWER STEERING
ENGINE SPEED SENSING POWER STEERING
DISASSEMBLY
Disassemble in the sequence shown in the figure, referring to the disassembly note for specially marked
parts.
Caution
a) In order to prevent the entrance of dirt, all disassembly and assembly should be done
in a clean area.
b) Before disassembly, plug the openings of all pipe installation fittings, then thoroughly
clean the steering gear and linkage.
86U10X-121
1. Oil pressure switch
2. Oil pipe
3. Tie-rod end
4. Tie-rod end locknut
5. Spring clip
6. Boot wire
7. Boot
8. Tie-rod
9. Lock pin
10. Adjust cover locknut
11. Adjust cover
12. Spring
13. Pressure pad
14. Snap ring
15. Housing cover
16. Lower bearing locknut
17. Pinion shaft and control
valve assembly
18. Oil seal
19. Upper bearing
20. Rack bushing assembly
21. Rack
22. Oil seal
23. Spacer
24. Oil seal
25. Lower bearing
26. Oil seal
27. Needle bearing
28. Seal ring
29. O-ring
30. Mounting bracket
31. Mounting rubber mount
10—58

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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1 0 ENGINE SPEED SENSING POWER STEERING
Housing cover
1. Cut away the staked areas with a drill.
2. Remove the housing cover.
86U10X-126
Pinion shaft
1. Remove the locknut.
2. Set the gear housing assembly on a press and re-
move the pinion shaft assembly as shown in the
figure.
86U10X-127
Rack bushing
1. Cut away the staked areas with a drill.
2. Remove the rack bushing.
86U10X-128
Rack and oil seal at tube side
1. Slide the SST over the rack from the gear hous-
ing side.
Note
If the rack is removed without using the SST,
there is the possibility that the rack housing
may be damaged by the rack teeth.
86U10X-129
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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
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1 0 ENGINE SPEED SENSING POWER STEERING
Oil seal and needle bearing
1. Insert the SST so that it contacts the needle
bearing.
2. Drive the oil seal and needle bearing out with the
SST bar.
86U10X-134
^aFm / y^s.
INSPECTION
Check the following and replace any faulty parts.
Pinion shaft assembly
1. Pinion shaft teeth wear or damage
2. Control valve damage, clogging, and wear
86U10X-135
Rack bushing
Wear or damage
86U10X-136
Bearing
Wear, damage, and operation
86U10X-137
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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
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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
86U10X-141
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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
10-64