1987 MAZDA 626 steering

1 0 ELECTRONICALLY-CONTROLLED POWER STEERING
Disassembly Note
Steering gear and linkage
Secure the mount part of the removed gear and link-
age in a vise.
Caution
Insert protective material (such as copper
plates) in the jaws of the vise.
86U10X-181
Tie-rod ends
Before removing the tie-rod ends, make a mark for
proper installation.
86U10X-182
Oil pipe
Mark the pressure and return pipes and the valve
case for proper installation. Remove the pipes.
86U10X-183
Solenoid valve
Remove the solenoid valve.
86U10X-184
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ELECTRONICALLY-CONTROLLED POWER STEERING 1 0
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I I
86U10X-185
63U10X-127
86U10X-186
Tie-rods
1. Uncrimp the washer as shown in the figure.
2. Remove the tie-rod from the rack.
Locknut and adjust cover
Loosen the locknut and remove the adjust cover,
spring, and pressure pad.
Outer box
Protect the outer box with cloth and remove it with
a pipe wrench.
86U10X-187
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1 0 ELECTRONICALLY-CONTROLLED POWER STEERING
Oil seal
Remove the oil seal with a screwdriver.
86U10X-188
INSPECTION
Check the following and replace any faulty parts.
1. Cracked, damaged, or deteriorated boots
2. Worn pressure pad friction surface
3. Loose or sticking tie-rod ball joint
4. Bent or damaged tie-rod or tie-rod end
86U10X-189
5. Worn outer box bushing
86U10X-190
6. Cracked or damaged gear housing
7. Steering gear oil leakage
86! I10X-191
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ELECTRONICALLY-CONTROLLED POWER STEERING 1 0
ASSEMBLY
Torque Specifications
29—39 N-m (3.0-4.0 m-kg, 22-29 ft-lb)
29—39 N m
(3.0—4.0 m-kg, 22—29 ft-lb)
29—39 N m
(3.0—4.0 m-kg, 22—29 ft-lb) 29—39 N-m (3.0—4.0 m-kg, 22—29 ft-lb)
15—25 N m (1.5—2.5 m-kg
3.9—4.9 N m (0.4—0.5 m-kg,
39—49 N-m (4.0—5.0 m-kg, 29—36 ft-lb) 78—98 N-m (8.0—10.0 m-kg, 58—72 ft-lb)
34—44 N m 34—44 N-m (3.5—4.5 m-kg, 25—33 ft-lb) (3.5-4.5 m-kg, 25—33 ft-lb) (7.0—ID, 0 m-kg, 51—72 ft-lb)
86U10X-252
1. Install the outer box in the rack housing.
Note
Coat the seals and O-rings with ATF.
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1 0 ELECTRONICALLY-CONTROLLED POWER STEERING
2. Protect the outer box with cloth and tighten it with
a pipe wrench.
86U10X-193
3. Stake between the outer box and the rack hous-
ing with a center punch.
B6U10X-194
4. Install the oil seal with a suitable pipe.
86U10X-195
5. Install the pressure pad and spring in the gear
housing.
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ELECTRONICALLY-CONTROLLED POWER STEERING 1 0
86U10X-197
86U10X-198
86U10X-199
6. Apply thread sealant to the threads of the adjust
cover.
7. Install the adjust cover to the gear housing and
tighten it as specified; then loosen it 35°.
Tightening torque:
4.5—5.5 Nm
(45—55 cm-kg, 39—48 in-lb)
8. Measure the pinion torque with the SST.
Pull scale: 1,000—1,400 g (35.3—49.4 oz)
9. If the pinion torque is not within specification, read-
just the adjust cover.
10. Lock the adjust cover with the locknut.
Tightening torque:
40—50
N
m
(4—5 m-kg, 29—36 ft-lb)
11. Set the rack in a vise and install the washer. Tight-
en the tie-rod.
Tightening torque:
60—80 N-m
(6—8 m-kg, 43—58 ft-lb)
Caution
Insert protective material (such as copper
plates) in the jaws of the vise.
76G10X-040
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1 0 ELECTRONICALLY-CONTROLLED POWER STEERING
12. Stake the washer in two places with a punch.
86U10X-201
13. Install the boot. Wrap a new wire around it two
times and twist it 4 to 4.5 times.
Caution
Be sure that the boot is not twisted or dented.
86U10X-202
14. Install the tie-rod ends, aligning them with the marks
made before disassembly.
86U10X-203
15. Install the solenoid valve and pressure switch.
16. Align the oil pipes with the marks made before dis-
assembly, then tighten them.
86U10X-204
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OIL PUMP 1 0
OIL PUMP
REMOVAL AND INSTALLATION
1. Jack up the front of the vehicle, and support it with safety stands.
2. Remove in the order shown in the figure, referring to the removal note for specially marked parts.
3. Install in the reverse order of removal.
4. Tighten all nuts and bolts to the specified torque, referring to the figure.
Note
a) The power steering fluid will leak out when the return hose or the pressure hose is dis-
connected. Prepare a suitable container for it to drain into.
b) After installation, inspect the deflection of the oil pump belt and bleed the air from the
system, then check for fluid leakage. 2WS (Gasoline engine)
76G10X-041
4. Bracket
5. Oil pump
6. Oil pump pulley
1. Belt
2. Nut
3. Pipes
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