1987 MAZDA 626 torque

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

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.
86U10X-170
10—71

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

1 0 ENGINE SPEED SENSING POWER STEERING
Oil pressure switch
1. Install the pressure switch O-ring in the gear
housing.
2. Install the oil pressure switch.
Tightening torque:
31—36 N-m (3.2—3.7 m-kg, 23—27 ft-lb)
10—74

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.
86U10X-192
10—79

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
10—81

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
10—83

BRAKE HYDRAULIC LINE 1 1
REMOVAL AND INSTALLATION OF BRAKE
LINES
1. Loosen or tighten the flare nut with the SST.
Flare nut tightening torque: 13—22 N-m
(1.3—2.2 m-kg, 9—16 ft-lb)
2. When connecting the flexible hose, do not over-
tighten or twist it.
3. After installation:
(1) Check that the hose does not contact other
parts when the vehicle bounces or when the
steering wheel is turned all the way to the right
or left.
(2) Bleed the air from the brake system. (Refer to
page 11—9.)
REPLACEMENT OF BRAKE FLUID
1. Remove the brake fluid from the reservoir with a
suction pump.
2. Fill the reservoir with new, specified brake fluid.
3. Pump out the old brake fluid by loosening the
bleeder screws (one by one) and pumping the
brake pedal. (Refer to page 11—10 for details.)
AIR BLEEDING
Air Bleeding Locations
After the following parts are removed, air bleeding is necessary after installation.
Removed part
Air bleeding location
Removed part Front Rear Removed part
Right side Left side Right side Left side
Master cylinder * * * *
Wheel cylinder or caliper
Front Right side * — — —
Wheel cylinder or caliper
Front Left side — * — —
Wheel cylinder or caliper Rear disc Right side — — * — Wheel cylinder or caliper Rear disc Left side — — — * Wheel cylinder or caliper
Rear drum Right side — — * —
Wheel cylinder or caliper
Rear drum Left side — — — *
Dual proportioning valve * * * *
Hydraulic unit (ABS) * * * *
ABS: Anti-lock Brake System 76GHX-064 *: Indicates where air bleeding is necessary
11—9