1987 MAZDA 626 engine oil

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.
86U10X-166

ENGINE SPEED SENSING POWER STEERING 1 0
3. Tap in a new roll pin.
86U10X-175
i V
vlM^lPl'' \f ) j//
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Boot
1. Apply grease to the inner surface of the small end
of the boot.
2. Install the boot. Wrap a new wire around the large
end of the boot two times and then twist it 4 to 4.5
times. Bend the twisted part toward the mounting
bracket.
Note
Be careful not to break the boot wire.
3. Install the spring clip on the small end of the boot.
86U10X-176
Tie-rod end
Align with the mark made before disassembly, and
then tighten the nut.
86U10X-177
Oil pipe
Secure the mounting bracket in a vise so that the oil
pipe connections face upward.
86U10X-178
10-73

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

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

1 0 OIL PUMP
4WS
16—23 N-m (1,6-2.3 m-kg, 12-17 ft-lb)
39—59 N m (4.0—6.0 m-kg, Z9—43 ft-lb)
37—52 N-m (3.8—5.3 m-kg, 27—38 ft-lb^.
(1.6-2,3 m-kg, 12-17 lt-!b)
31—46 N-m (3.2—4.7 m-kg, 23—34 ft-lb)
88—98 N-m (9.0—10.0 m-kg, 65—72 ft-lb)
49—59 N-m (5.0—6.0 m-kg, 36—43 ft-lb)
1. Belt
2. Nut
3. Pipes
4. Bracket
5. Oil pump
6. Oil pump pulley
Removal Note
Oil pump (2WS Gasoline engine, 4WS)
1. Hold the oil pump pulley with the SST, and remove
the pulley nut.
2. Slide the pulley forward. Remove the hose, pipes,
and the pump.
3. Remove the pulley.
76G10X-016
10—84

1 0 OIL PUMP
2WS (Diesel engine, without CX)
78—11 N>m (D.e—1.1 m-kg, 5.6—8.0 ft-lb}
49-59 N-m (5.0—6.0 m-kg, 36—43 ft-lb)
76G10X-042
1. Drive belt cover
2. Belt
3. Nut
4. Oil pump pulley
5. Pipes
6. Bolt
7. Bolt
10-85

1 0 OIL PUMP
2WS (Diesel engine, with CX)
r.a-11 N-m (0-8—1.1 m-kg. 5.8—8.0 tt-lb)
7.8—11 Nm (0,8—1.1 m-kg, 5.8—8.0 ft-lb)
7.8—11 Nm (0.8-1.1 m-kg, 5.8-8.0 ft-lb)
C3DSP-J
39-59 N-m (ED (4,0—6.0 m-kg, (7) ZB—43 ft-lb)
49—59 N m (5.0—6.0 m-kg, 36—43 ft-lb)
37—62 N-m (3.8—S.3 m-kg, 27—38 ft-lb)
76G10X-017
1. Drive belt cover
2. Belt
3. Cooling fan
4. Intake air pipe
5. Nut
6. Oil pump pulley
7. Pipes
8. Bolt
9. Starter
10. Bolt
Removal Note
Oil pump (2WS Diesel engine)
1. Hold the oil pump pulley with the SST, and remove
the pulley nut.
2. Slide the pulley forward. Remove the hose, pipes,
and the pump. 3. Remove the pulley.
76G10X-018
10—86

ELECTRICAL COMPONENTS OF ELECTRONICALLY-CONTROLLED POWER STEERING (ECPS) 1 0
Diagnosis Table
Condition Output pattern Malfunction Flow chart
No.
4.4V
0V-
10 seconds Power steering sole-noid valve or wiring harness (Control unit to Solenoid valve)
P/S—1
Refer to page
10-91
4.4V
0V-
Wiring harness (Con-
trol unit to Ignition coil) P/S—2 Refer to page 10-91
Steering wheel in straight-ahead po-sition with engine idling.
4.4V
OV-
Steering wheel angle sensor or wiring har-ness (Control unit to Angle sensor)
P/S—3 Refer to page 10-92
4.4V
ov-
Normal operation
Wiring harness (Fuse box to Control unit or Control unit to Body ground)
P/S—5 Refer to page 10—93
OV
10 seconds Power steering sole-
noid valve or wiring
harness (Control unit
to Solenoid valve)
P/S—1 Refer to page 10—91
B Steering wheel turned 45° left and right from center with engine idling
4.4V
0V
Wiring harness (Con-
trol unit to Ignition coil)
P/S—2 Refer to page 10-91
4.4V
0V'
Normal operation
4.4V
0V-
Steering wheel angle
sensor or wiring har-
ness (Control unit to
Angle sensor)
P/S—3 Refer to page 10—92
76G10X-023
10-89