wheel MAZDA 626 1987 Workshop Manual

1 5 AUTO ADJUSTING SUSPENSION
Inspection of circuit
OK

Check
for
continuity between
1U
(GR) terminal
of
the meter connector and
M
(GR) terminal
of
the control unit connector.
Repair the wiring harness (Control unit
to
Meter).

OK

Replace the control unit.

76G15X-081
AAS-2

Failure
of
steering wheel angle sensor
or wiring harness (Angle sensor
—

Control unit)

I

Disconnect the control unit connector, and check
the

resistance between the terminals with
an
ohmmeter
when steering wheel
in
straight ahead position.
Terminal Resistance
A(G)
-
D(GW) ADDrox.
25 kfi

A(G)
-
C(GY) Approx.
50 kfl

C(GY^
-
D(G\M ADorox.
25 kfi
OK

Replace the control unit.

76G15X-082
15-98

1 5 AUTO ADJUSTING SUSPENSION
AAS-7

Failure
of
AAS switch
or
wiring har-ness (Fuse box
to
Control unit and AAS switch, AAS switch
to
Control unit and Body ground
Check the voltage between each terminal
of
AAS switch connector and
a
body ground with ignition ON.
Terminal Voltage
F (BY) 12V
H (B) OV
NG Replace METER
10 or
15A fuse
or
repair the wiring harness (Fuse box
to
AAS switch, AAS switch
to
Body ground).

OK

Check the operation
of
the AAS switch referring
to
page 15—104.

, OK

Check
for
continuity, between
D
(LY) terminal
of
con-
trol unit and
D
(LY) terminal
of
AAS switch.

OK

Replace the control unit.

A AS-8

Failure
of
speed sensor
or
steering wheel angles sensor
or
wiring harness (Control unit
to
Meter, Control unit
to
Angle sensor).

NG
Replace the AAS switch.

NG
Repair wiring harness.
Disconnect the control unit connector, and check the resistance between the terminals with steering wheel in straight ahead position with
an
ohmmeter.
Terminal Resistance
A(G)
-
D(GW) Approx.
25
k£2
' A(G}
-
C(GY) Approx.
50 kfl

C(GY)
-
D(GW) Approx.
25
kJ2

NG
Check the steering angle sensor referring
to
page 15—16

OK

Go
to
AAS-1 routine.

OK

Repair the wiring harness (control unit
to
Angle
sensor).

76G15X-083
15-102

1 5 AUTO ADJUSTING SUSPENSION
Actuator
Inspection
1. Turn the ignition switch ON.
2. Alternately switch ON the "NORMAL" and
"SPORT" switches. Check whether the shaft of the
actuator installed on the front and rear damper
operates. (Visual inspection)
86U15X-167
86U15X-168
76G15X-095
3. If the actuator does not operate, disconnect the ac-
tuator connector and check for a few ohms resis-
tance between the terminals.
Terminal Resistance
A(WR) - D(BR)
Front B(WL) - D(BR)
C(WR) - D(BR) 2-8 (fi) A(YR) - D(BR) 2-8 (fi)
Rear B(YG) - D(BR)
C(YL)— D(BR)
AAS Switch
Inspection
1. Use an ohmmeter to check continuity of the termi-
nals of the switch.
2. If continuity is not as specified, replace the switch.
Position Terminal
SOFT

NORMAL
SPORT
O
o—o
-o
o
o
o
o
g
-o
-o -o

O
O: Indicates continuity
Steering Wheel Angle Sensor
Inspection
See page 15—16
Vehicle Speed Sensor
Inspection
See page 15—88
76G15X-085
15—104

30
TECHNICAL DATA
MEASUREMENT 30— 2
ENGINE (SOHC) 30— 2
ENGINE (DOHC) 30— 8
ENGINE (DIESEL) 30—11
LUBRICATION SYSTEM (GASOLINE) 30—14
LUBRICATION SYSTEM (DIESEL) 30—15
COOLING SYSTEM (GASOLINE) 30—16
COOLING SYSTEM (DIESEL) 30—17
FUEL AND EMISSION CONTROL SYSTEM
(CARBURETOR) 30—18
FUEL AND EMISSION CONTROL SYSTEM
(FUEL INJECTION FE) 30—20
FUEL AND EMISSION CONTROL SYSTEM
(FE DOHC) 30—21
FUEL AND EMISSION CONTROL SYSTEM
(DIESEL) 30—22
ENGINE ELECTRICAL SYSTEM 30—23
CLUTCH 30—25
MANUAL TRANSAXLE 30—26
AUTOMATIC TRANSAXLE
(ELECTRONICALLY CONTROLLED AND
4-SPEED) 30—27
AUTOMATIC TRANSAXLE (3-SPEED) 30—33
FRONT AND REAR AXLES 30—36
STEERING SYSTEM 30—36
BRAKING SYSTEM 30—37
WHEEL AND TIRE 30—38
SUSPENSION 30—38
BODY ELECTRICAL SYSTEM 30—39
STANDARD BOLT AND NUT
TIGHTENING TORQUE 30—40
76G30X-001

30 TECHNICAL DATA
0. MEASUREMENT
Item Engine model Coupe/MX-6 Sedan Hatchback

Overall length mm (in) 4,450 (175.2) 4,515 (177.8) 4,515 (177.8)
Overall width mm (in) 1,690 (66.5) 1,690 (66.5) 1,690 (66.5)
Overall height (14 inch/13 inch) mm (in) 1,360 (53.5)/1,345 (52.9) 1,410 (55 5)/1,395 (54.9) 1,375 (54.1)/1,360 (53 5)
Wheel base mm (in) 2,515 (99.0) 2,575 (101.4) 2,575 (101.4)
Tread (14 inch/13 inch)
mm (in)
Front 1,455 (57.3)/1,460 (57.5) 1,455 (57.3)/(1,460 (57.5) 1,455 (57.3)/1,460 (57.5) Tread (14 inch/13 inch)
mm (in)
Rear 1,465 (57.7)/1,455 (57.3) 1,465 (57.7)/1,455 (57.3) 1,465 (57 7)/1,455 (57 3)
1
A. ENGINE (SOHC)
12-valve
— Engine model Item FE 12-valve
~vpe
Gasoline, 4-cycle
Cylinder arrangement and number In-line, 4-cylinders
Type
of
combustion chamber Pentroof
Valve system OHC, belt-driven
Bore
x
Stroke
mm (in)
86.0
x
86.0 (3.39
x
3.39)
Total piston displacement
cc
(cu
in)
1,998 (121.9)
Compression ratio 9.5
: 1

Compression pressure
kPa (kg/cm2, psi)-rpm
Standard 1,422 (14.5, 206)—280
Compression pressure
kPa (kg/cm2, psi)-rpm
Minimum 996 (10.2, 144)—280 Compression pressure
kPa (kg/cm2, psi)-rpm Maximum difference
between cylinders 196 (2.0,
28)

Valve timing
IN
Open
BTDC 14°
Valve timing
IN Close ABDC 56° Valve timing
EX Open BBDC 69° Valve timing
EX Close ATDC 13°
Valve clearance
mm (in)
IN 0; Maintenance free Valve clearance
mm (in)
EX 0; Maintenance free

Cylinder head

Heiaht
mm (inl
91.95-92.05 (3.620-3.624)
Distortion
mm (inl
Maximum 0.15 (0.006)
Grinding limit
mm (in)
Maximum 0.20 (0.008)

Valve and valve auide

Valve head diameter
mm (in)
IN 32.4-32.6 (1.276—1.283) Valve head diameter
mm (in)
EX 33.9-34.1 (1.335-1.343)
Valve head thickness (margin)
mm (in)
IN 0.8-1.2 (0.031—0.0471 Valve head thickness (margin)
mm (in)
EX 1.3—1.7 (0.051-0.067)
Valve face angle IN 45° Valve face angle EX 45°
Valve length
mm (in)

IN Standard 115.81 (4.55941
Valve length
mm (in)

IN Minimum 115.31 (4.5398) Valve length
mm (in)
cv Standard 116.21 (4.5752)
Minimum 115.71 (4.55551
Valve stem diameter
mm (in)
IN 6.970-6.985 (0.2744-0.2750) Valve stem diameter
mm (in)
EX 6.965-6.980 (0.2742-0.27481
Guide inner diameter
mm (in)
IN 7.01-7.03 (0,2760-0.2768) Guide inner diameter
mm (in)
EX 7.01-7.03 (0.2760-0.27681
Valve stem
to
guide clearance
mm (in)

IN 0.025-0.060 (0.0010-0.0024)
Valve stem
to
guide clearance
mm (in)
EX 0.030-0.065 (0.0012—0.0026) Valve stem
to
guide clearance
mm (in)

Maximum 0.20 (0.00791
Guide projection (Height "A")
mm (in)
19.8-20.3 (0.780-0.799)

30—2

TECHNICAL DATA 30
4C. FUEL AND EMISSION CONTROL SYSTEM (FE DOHC)
Item ^Engine^model Unleaded fuel Leaded fuel

Idle speed rpm With test connector grounded 750
± 50
Throttle body

Type Horizotal draft (2-barrel)
Throat diameter mm (in) No.1 46 (1.8) Throat diameter mm (in) No.
2
40 (1.6)

Fuel pump

Type Impeller (in tank)
Output pressure kPa (kg/cm2,
psi)
Main pump: 441—588 (4.5—6.0, 64—85)
Transfer pump: 20—25 (0.20—0.25, 2.8—3.6)
Feeding capacity cc (cu in)/10 seconds Main pump: 220 (13.4) min. Transfer pump: 190 (11.6) min.

Fuel filter

Type Low-pressure side Nylon element Type High-pressure side Paper element

Pressure regulator

Type Diaphragm
Regulating pressure kPa (kg/cm2, psi) 235-275 (2.4 -2.8, 34-40)

Injector

Type High-ohmic
Type
of
drive Voltage
Resistance
ft
12--16
Injection amount cc (cu in)/15 seconds 66-91 (4.03-5.55)

Idle speed control valve

Solenoid resistance Q 6.3--9.9

Fuel tank

Capacity liters (US gal, Imp gal) 60 (15.9, 13.2) 57 (15.0, 12.5): 4-wheel steering vehicle

Air cleaner

Element type Dry

Fuel

Specification Unleaded (95 RON
or
more) i Leaded (95 RON
or
more)

30-21

TECHNICAL DATA 30
6. CLUTCH
Item Engine model F6 F8 FE FE DOHC RF-N RF-CX
Clutch control

Type Hydraulic
Master cylinder inner diameter mm (in) 15.87 (0.625)
Release cylinder inner diameter mm (in) 19.05 (0.750)
Clutch fluid type DOT-3
or
DOT-4, FMVSS 116,
or
SAE J1703

Clutch pedal

Type Suspended
Pedal ratio LHD 6.00 Pedal ratio RHD 5.96
Full stroke mm (in) 135 (5.31)
Height mm (in) 216.5-221.5 (8.524—8.720)
Free play mm (in) 5—13 (0.20—0.51)
Distance
to
floor when clutch LHD 68 (2.7)
or
more
fully disengaged mm (in) RHD 85 (3.3)
or
more

Flywheel

Deflection mm (in) 0.2 (0.008) max.
Grinding limit mm (in) 0.5 (0.020) max.

Clutch disc

Type Single
dry
plate
General 3434 (350, 770) 3846 (392, 862) 4316 (440, 968) 3846 (392, 862)
—

Set load N (kg,
lb)
ECE (Except UK)
—
4022
(410, 902) 4611 (470, 1034) 4022 (410, 902)
UK
—
3846
(392, 862)
4611
(470, 1034)
4316
(440, 968) 3846
I
4022
(392, 862)|(410, 902)
Runout mm (in) 1.0 (0.039) max.
Wear limit mm (in) 0.3 (0.012) from rivet head
Outer diameter mm (in) 200 (7.874) 215
(8.465) 225 (8.858)
Inner diameter mm (in) 130 (5.118) 150 (5.906)
Flywheel side 3.5 (0.14)
Facing thickness Pressure plate
side
General 4.1 (0.16)
-

mm (in) Pressure plate
side ECE (Except UK)
—
3.8 (0.15) Pressure plate
side UK
—
4.1
ro.16)
3.8 (0.15) 4.1 (0.16) 3.8
(0.15)
Clutch cover

Type
Diaphragm spring

Runout mm (in) 0.05 (0.0020) max.
Grindina limit mm (in) 0.5 (0.020)

30—25

30 TECHNICAL DATA
9. FRONT AND REAR AXLES
Transaxle type MTX ATX
Item Non-Turbo Turbo Non-Turbo Turbo
Driveshaft

Joint type Inside Ball joint Tripod joint Joint type Outside Ball joint Ball joint
Shaft length mm (in) Right 360.0 (14.17) 355.5 (14.00) 355.5 (14.00) 348.8 (13.73) Shaft length mm (in) Left 360.0 (14.17) 355.5 (14.00) 355.5 (14.00) 348.8 (13.73)
Shaft diameter mm (in) 24 (0.94) 26 (1.02) 24 (0.94) 26 (1.02)

Front axle

Front wheel bearing end play mm (in) 0.2 (0.0079) max.

Rear axle

Rear wheel bearing end play mm (in) 0.2 (0.0079) max.

10. STEERING SYSTEM
u _ Type Item ——- - -. Manual steering Power steering

Steering wheel Outer diameter mm (in) 380 15.0) Steering wheel Turns lock
to
lock 4.32 2.93
Steering shaft and joints
Shaft type Collapsible
Steering shaft and joints Joint type Cross joints
(2)
Steering shaft and joints
Tilt stroke mm (in) 40 (1.6)
Front steering gear Type Rack and pinion Front steering gear Gear ratio
oo
(infinite)
Power steering fluid
Capacity liter
(US quarts, Imp quarts)
2WS
—
0.9 (0.95, 0.79)
Power steering fluid
Capacity liter
(US quarts, Imp quarts) 4WS
—
1.0 (1.06, 0.88) Power steering fluid
Type 2WS 4WS
—
Dexron
II or M III
30—36

TECHNICAL DATA 30
11. BRAKING SYSTEM
Item Specifications

Brake
pedal
Height
mm
(in) LHD
&
RHD 222 (8.74 _+g2)
Brake
pedal
Free play
mm
(in) 4-7 (0.16—0.28)
Brake
pedal
Reserve travel
mm (in)

(Clearance when pedal
is
depressed
at 5S

95 (3.74) min.
39
N
(60 kg, 132 lb))
Brake
pedal
Lever ratio 4.2
Brake
pedal
Max. stroke
mm (in)
LHD: 136.5 (5.37) RHD: 135 (5.31)
Master cylinder
Type Tandem Master cylinder Bore
mm
(in) 22.22 (0.875) Master cylinder Fluid type DOT-3
or 4, or
SAE J1703
Front disc brake
Type Disc (ventilated)
Front disc brake
Thickness
of
pad
mm (in)
Standard 10.0 (0.39)
Front disc brake
Thickness
of
pad
mm (in)
Minimum 2.0 (0.08)
Front disc brake
Area
of
pad mm2 (in2) 4,800 (7.44) Front disc brake Outer diameter
of
disc plate
mm (in)
14
or 15
inch-wheel: 264 (10.39)
13
inch-wheel: 242 (9.53) Front disc brake Thickness
of
disc plate
mm (in)
Standard 14
or 15
inch-wheel: 24.0 (0.94)
13
inch-wheel: 20.0 (0.79)
Front disc brake Thickness
of
disc plate
mm (in) Minimum 14
or 15
inch-wheel: 22.0 (0.87)
13
inch-wheel: 18.0 (0.71)
Front disc brake
Disc plate runout
mm (in)
Maximum 0.1 (0.004)
Front disc brake
Wheel cylinder bore
mm (in)
53.97 (2.125)
Rear drum
brake
Type Leading-trailing
Rear drum
brake
Clearance between shoe and drum Self-adjusting
Rear drum
brake
Thickness
of
lining mm (in)
Standard (a):
4.5
(0.18) (b): 5.0 (0.20)
Rear drum
brake
Thickness
of
lining mm (in) Minimum 1.0 (0.04) Rear drum
brake Width
of
lining
mm (in)
(a):
30
(1.18)
(b)
25 (0.98) Rear drum
brake Length
of
lining
mm fin)
(a): 219.3 (8.63)
(b)
1919 (7.56)
Rear drum
brake
Inner diameter
of
drum mm (in)
Standard (a): 228.6 (9.00)
(b)
200 (7.87)
Rear drum
brake
Inner diameter
of
drum mm (in) Maximum (a): 230.1 (9.06)
(b)
201.5 (7.93)
Rear drum
brake
Wheel cylinder bore
mm (in)
17.46 (0.687)
Rear disc
brake
TvDe Disc (solid)
Rear disc
brake
Thickness
of
pad
mm (in)
Standard 8.0 (0.31)
Rear disc
brake
Thickness
of
pad
mm (in)
Minimum 1.0 (0.04)
Rear disc
brake
Area
of
pad mm2 (in2) 2,900 (4.5) Rear disc
brake Outer diameter
of
disc plate
mm (in)
259 (10.2) Rear disc
brake Thickness
of
disc plate mm (in)
Standard 10.0 (0.40)
Rear disc
brake Thickness
of
disc plate mm (in) Minimum 8.0 (0.31)
Rear disc
brake
Disc
Dlate runout mm fin)
Maximum 0.1 (0.04)
Rear disc
brake
Wheel cylinder bore
mm (in)
30.2 (1.19)
Parking
brake
TvDe Center lever Parking
brake Lever notches
(Pulled
at
98N
(10
kg,
22 lb))
5-7
Power
brake unit
Diameter
mm (in)
238 (9.37)
Power
brake unit
Clearance between master cylinder piston and push
rod mm
(in) 0(0)
Power
brake unit Fluid pressure per treading force
kPa (kg/cm
,
psi)/N (kg,
lb)

1,177 (12,171 )/196 (20,
44)
min. when
no
vacuum
is
applied 7,063 (72, 1,024)/196 (20,
44)
min.
when 500 mmHg (19.7
in
Hg) vacuum
is
applied
Rear wheel hydraulic control devise (svstem)
Type Dual proportioning valve (Non-ABS)
or
ABS Rear wheel hydraulic control devise (svstem) Switching point kPa (kg/cm2,
psi)
Except General LHD and RHD: 1,962 (20, 284) General LHD and RHD: 2,942 (30, 427)
(a): Except
13
inch-wheels
in
General LHD and RHD vehicles (b):
13
inch-wheels
in
General LHD and RHD vehicles

30—37

30 TECHNICAL DATA
12. WHEEL AND TIRE
* ~— - Type
Item ~ ———_____ Standard Temporary spare
(if equipped)

Wheel
Size
5-Jx13
4-T
x 15

Wheel
Size 5 1/2-JJx14 4-T
x 15

Wheel
Size
6JJx15
4-T
x 15

Wheel
Offset
mm (in)
42 (1.65) 53 (2.09)
Wheel Diameter
of
pitch circle
mm
(in) 114.3 (4.5) Wheel
Material Steel
or
aluminum alloy Steel
Wheel
Number
of

fixing nuts
13 inch-wheel 4
4
or 5

Wheel
Number
of

fixing nuts 14 inch-wheel 5 4
or 5

Wheel
Number
of

fixing nuts 15 inch-wheel 5 4
or 5

Tire
Size
13 inch-wheel
6.45-13-6PR 165SR13 165/80R13 82S
185/70HR13 185/70R13 85H
T125/70D15
Tire
Size
14 inch-wheel
185/70HR14 185/70R14 87H 185/70R14 88H 185/70VR14
T125/70D15
Tire
Size
15 inch-wheel 195/60R15 86H 195/60VR15
T125/70D15
Tire
Air pressure kPa (kg/cm2, psi)
Front 216 (2.2, 31)
or
196 (2.0, 28)
Refer to tire labels for applications 412 (4.2, 60)
Tire
Air pressure kPa (kg/cm2, psi) Rear 177 (1.8,
26)

412 (4.2, 60)
Wheel and tire
Runout
mm (in)
Horizontal Steel wheel: 2.5 (0.098), Alminum allov wheel: 2.0 (0.079) max.
Wheel and tire
Runout
mm (in) Vertical 2.0 (0.079) max.
Wheel and tire Unbalance

g
(oz)
13 inch-wheel 11 (0.39) max. Wheel and tire Unbalance

g
(oz) 14 inch-wheel 10 (0.35) max.
Wheel and tire Unbalance

g
(oz) 15 inch-wheel 9 (0.32) max.

13. SUSPENSION
Item Specification
Front suspension

Type Strut
Toe-in
mm
(in) 0 ±
3 (0
±
0
12)
Front wheel alignment Camber angle 0°17' ±
45'
Front wheel alignment Caster angle 1 °13' ±
45'

King pin angle 12C 47'
Maximum front Inner 36°26'33"
steering angle Outer 30°59'15"
Stabilizer Type Torsion
bar
Stabilizer Diameter
mm (in)
20.0 (0.79)
Shock absorbers Standard suspension Oil type Shock absorbers Auto adjust suspension Low-pressure gas sealed type
Identification color Orange Green Light green Pink Brown Purple Gray Blue
Wire diameter
mm (in)
12.5
(0.49)
12.6
(0.49) 12.8 (0.50) 12.9 (0.51) 13.1 (0.52) 13.3 (0.53) 13.6 (0.54) 13.7 (0.54)
Coil springs* Coil inner diameter mm (in) 147.5 (5.8)
Free length
mm
(in) 344 (13.5)

CO <35
362
(14.3)
370
(14.6)
372 (14.6) 365 (14.4) 350 (13.8) 358 (14.1)
Coil number 4.99 5.09 5.31 5.42 5.53 5.46 5.34 5.45
* Refer
to
pages 13—5,6,7
for
coil spring applications

30-38