torque MAZDA 626 1987 Workshop Manual

1 1 REAR DISC BRAKE
86U11X-087
86U11X-088
13. Lift the caliper assembly onto the mounting
support.
14. Tighten the mounting bolt to the specified torque.
Tightening torque:
16—24 Nm (1.6—2.4 m-kg, 12—17 ft-lb)
15. Connect the parking cable end to the operating
lever; then tighten the locknut.
Tightening torque:
20—28 N-m (2.0—2.9 m-kg, 14—21 ft-lb)
Caution
There must be no clearance between the ca-
ble end and the operating lever.
16. Mount the wheels.
17. Apply the brakes a few times; then check that the
brakes do not drag excessively while the wheels
are being rotated.
18. Lower the vehicles.
19. Tighten the wheel lug nuts.
Tightening torque:
88—118
N
m (9—12 m-kg, 65—87 ft-lb)
76G11X-083
11-48

REAR DISC BRAKE 1 1
INSTALLATION
1. Install in the reverse order of removal, referring to installation note for the specially marked parts.
2. Tighten all nuts and bolts to the specified torque, referring to torque specifications.
3. After installation:
(1) Add brake fluid and bleed air. (Refer to page 11—9.)
(2) Adjust the parking brake lever stroke. (Refer to page 11 —65.)
(3) Depress the brake pedal a few times and check that the rear brakes do not drag excessively
while the wheels are being rotated.
Note
Refer to page 11—47 for pad installation.
Torque specifications
1. Parking brake cable
Installation Note
Parking brake cable
Connect the parking brake cable end onto the oper-
ating lever; then fix it to the bracket by the locknut.
Caution
There must be no clearance between the ca-
ble end and the operating lever.
86U11X-107
11-55

REAR DRUM BRAKE 1 1
5. Fit of drum and lining
(1) Apply chalk to the inside of the drum.
(2) Rub the shoe against the drum.
(3) Check lining to drum contact.
(4) After checking, remove chalk.
2. Tighten all nuts and bolts to the specified torque, referring to torque specifications.
3. After installation:
(1) Add brake fluid and bleed air. (Refer to page 11—9.)
(2) Adjust the parking brake lever stroke. (Refer page to 11—65.)
(3) Depress the brake pedal a few times and check that the rear brakes do not drag while the wheels
are being rotated.
Torque specification
86U11X-120
INSTALLATION
1. Install in the reverse order of removal.
76G11X-050
11—61

1 1 REAR DRUM BRAKE
Torque specification
1. Brake shoe 2. Brake drum
98—177 N m (10—18 m-kg, 72—130 ft-lb)
3. Locknut
86U11X-122
installation Note
Brake shoes
1. Apply grease to:
(1) Shoe and cylinder contact points
(2) Shoe anchor points
(3) Projections of backing plate
76G11X-088
11-62

1 1 REAR DRUM BRAKE
Brake drum
1. Move the quadrant against the backing plate with
a screwdriver and increase the shoe clearance.
2. Install the brake drum.
Note
The shoe clearance will be automatically ad-
justed by applying the parking brakes.
76G11X089
Locknut
Tighten the new locknut to the specified torque and
securely stake it to the spindle groove.
Tightening torque:
98—177
N
m (10—18 m-kg, 72—130 ft-lb)
Caution
Do not use a pointed tool for staking.
86U11X-129
11-64

PARKING BRAKE 1 1
INSTALLATION OF PARKING BRAKE CABLE
1. Install in the reverse order of removal, referring to installation note for specially marked parts.
2. Tighten all nuts and bolts to the specified torque, referring to torque specifications.
3. After installation:
(1) Adjust the parking brake lever stroke. (Refer to page 11—65.)
(2) Depress the brake pedal a few times and check that the rear brakes do not drag while the wheels
are being rotated.
Torque specifications
Rear drum brake
76G11X-053
11-69

1 1 PARKING BRAKE
Rear disc brake
(70—100 cm-kg, 61—87 In-lb)
86U11X-138
1. Parking brake cable (rear disc brake)
Installation Note
Parking brake cable (Rear disc brake)
Connect the cable end to the operating lever; then
tighten the locknut.
Tightening torque:
20—28 N m (2.0—2.9 m-kg, 14—21 ft-lb)
Caution
There must be no clearance between the ca-
ble end and the operating lever.
86U11X-139
11-70

1 1 ANTI-LOCK BRAKE SYSTEM (ABS)
Flow Chart (Refer to Wiring Diagram, Page 11—72.)
ABS-1
Possible failure
Right front wheel speed sensor, Harness, Hydraulic unit
Disconnect Q-01 (11-pin) connec-tor. Check continuity
at
harness side.
Q-01 (11-pin)
I
Continuity
Y (2C) Ground No

OK

Measure resistance
at
harness side.
Q-01 (11-pin) Resistance
Y (2C)
i 0
(2D) 800—1200
Q
OK
NG
Repair harness.

(Control unit — Right front sensor)
NG

Disconnect Q-03. Measure resistance
at
sensor.
Q-03 Resistance
Y
[ O
800—1200 Q

NG
Replace right front wheel speed sensor.

OK
Repair harness.

(Control unit — Right front sensor)

Check followings*
• Clearance between sensor and rotor standard: 0.3—1.1
mm
(0.012-0.043
in)
• Objects sticking
to
sensor
or
rotor
• Damaged sensor
or
rotor
• Sensor installation Tightening torque: 16-23 N-m (1.6-2.3 m-kg, 12—17 ft-lb)

OK

Connect Q-01 (11-pin) connector. Jump GB
to B at
Q-07 connector. Start engine. Check that warning light stays ON. Drive vehicle and check that warning light flashes (0.25 sec ON OFF)
at 15
km/h
(9
mph).

NG
Repair
or
replace
as
necessary
* All conditions can
be
verified
as
follows,
if an AC
voltmeter
is
available. 1. Jack
up
vehicle. 2. Measure sensor voltage while rotating right front wheel
one
revolution
per
second.
Q-01 (11-Din) Voltage (AC)
Y (2C) O (2D) More than 0.25V

NG
Check Q-01 connector,
or
Replace control unit.

OK

Replace hydraulic unit.

76G11X-055
11—76

ANTI-LOCK BRAKE SYSTEM (ABS) 1 1
ABS-2
Possible failure
Left front wheel speed sensor, Harness, Hydraulic unit
Disconnect
Q-01
(11-pin)
con-
nector.
Check continuity
at
harness side.
Q-01 (11-pin) Continuity
W (2A) Ground No

OK

Measure side.
Q-01 (11-pin) Resistance
W (2A) R (2B) 800-1200
fl
OK

Connect Q-01 (11-pin) connector. Jump GB
to B
at (Q-07) connector. Start engine.
Check that warning light stays ON. Drive vehicle and check that warn-ing light flashes (0.25 sec ON OFF) at
15
km/h
(9
mph).

NG
Repair harness (Control unit
—
Left front sensor)
resistance
at
harness

NG

Disconnect Q-02 Measure resistance
at
sensor.
Q-02 Resistance
W
| R
800-1200
0
OK

Check followings*
• Clearance between sensor and rotor standard: 0.3—1.1
mm
(0.012-0.043
in)

• Objects sticking
to
sensor
or
rotor • Damaged sensor
or
rotor
• Sensor installation Tightening torque: 16-23 N m
(1.6—2.3 m-kg, 12-17 ft-lb)

NG
OK
NG
Repair
or
replace
as
necessary

NG
Check Q-01 connector,
or
Replace control unit.

OK

Replace hydraulic unit.
Replace left front wheel speed
sensor.
Repair harness.
(Control unit
—
Left front sensor)
"All conditions can
be
verified
as
follows,
if an AC
voltmeter
is
available. 1. Jack
up
vehicle. 2. Measure sensor voltage while rotating left front wheel
one
revolution
per
second.
Q-01 (11-pin) Voltage (AC)
W (2 A)
|
R (2B) More than
0
25V

86U11X-146
11-77

1 1 ANTI-LOCK BRAKE SYSTEM (ABS)
ABS-3
Possible failure
Rear wheel speed sensor, Harness, Hydraulic unit
Disconnect
Q-01
(11-pin)
con-

nector.
Check continuity
at
harness side.
Q-01 (11-pin) Continuity
G (2H) Ground No YG (2E) Ground No
Measure side.
Q-01 (11-pin) Resistance
YG (2E) YL (2F) 800—1200
fi
G (2H)
] L
(2J) 800—1200
fi
OK

Connect Q-01 (11-pin) connector. Jump GB
to B at
Q-07 connector. Start engine.
Check that warning light stays ON. Drive vehicle and check that warn-ing light flashes (0.25 sec ON OFF) at
15
km/h
(9
mph).

NG
Repair harness (Control unit
—
Rear speed sensor)

OK

resistance
at
harness

NG

Disconnect Q-09 and Q-05 Measure resistance
at
sensor.
Q-09, Q-05 Resistance
YG YL 800-1200
0
G L 800-1200
0
OK

Check followings* • Clearance between sensor and rotor standard: 0.3—1.1
mm
(0.012-0.043
in)
• Objects sticking
to
sensor
or
rotor
• Damaged sensor
or
rotor
• Sensor installation Tightening torque: 16-23 N-m
(1.6—2.3 m-kg, 12—17 ft-lb)

NG
Repair
or
replace
as
necessary

NG
Check Q-01 connector. Replace control unit.
or

OK

Replace hydraulic unit,
Replace rear wheel speed
sensor.

OK
Repair harness.
(Control unit
—
Rear speed sensor)
* All conditions can
be
verified
as
follows,
if an AC
voltmeter
is
available. 1. Jack
up
vehicle. 2. Measure sensor voltage while rotating rear wheel
one
revolution
per
second.

fi
wheel Q-01 (11-pin) Voltaqe (AC)
Left |YG (2E) YL (2F) More than 0.25V Right G (2H) L(2J)
More than 0.25V

86U11X-147
11-78