1987 MAZDA 626 belt

30 TECHNICAL DATA
3A. COOLING SYSTEM (GASOLINE)
Engine model F6, F8, FE SOHC
Item FE DOHC ECE, Hong Kong
Singapore Middle East General

Cooling method Water-cooled, forced circulation

Water pump

Type Centrifugal, timing belt driven
Impeller diameter mm (in) 70 (2.76)
Number
of
impeller blades 6
Speed ratio 1
:
1.00 1
:
1.05
Water seal type Unified mechanical seal

Thermostat

Type Wax, 2-stage Wax
Start
to
open °C (°F) Sub: 83.5-86.5 (182-188) Main: 86.5-89.5 (188-193) 86.5-89.5 (188-193) 80.5-83.5 (177-182)
Full open °C (°F) 100 (212) 95 (203)
Lift mm (in) Sub: 1.5 (0.06) min.
Main: 8.0 (0.31) min. 8.5 (0.33) min.

Radiator

Type Corrugated
fin

Cap opening valve pressure kPa (kg/cm2,
psi)
74-103 (0.75-1.05,
11
-15)
Cooling system pressure kPa (kg/cm2,
psi)
103 (1.05,
15)
Cooling fan

Type Electric
Capacity W MTX 80 Capacity W ATX 120
Current A MTX 5
6 7.6
Current A ATX
—
8.0-11.0
Number
of
blades 4
Outer diameter mm (in) MTX 320 (12.6) Outer diameter mm (in) ATX 340 (13.4)
Switching temperature OFF -
ON
°C(°F) 97 (207) 91 (196)

Coolant

Capacity liters (US qt, Imp
qt)
With heater 7.5 (7.9, 6.6) Capacity liters (US qt, Imp
qt)
Without heater 7.0 (7.4, 6.2)
Protection Mixture percentage (volume)
%
Specific gravity
of
mixture
at
20°C (68 °F) Antifreeze solution
Protection Water Solution
Specific gravity
of
mixture
at
20°C (68 °F) Antifreeze solution Above -16°C (3°F) 65 35 1.054
Above -26°C (-15°F) 55 45 1.066
Above -40 °C (—40°F) 45 55 1.078

30-16

TECHNICAL DATA 30
3B. COOLING SYSTEM (DIESEL)
Item Engine model RF-CX, RF-N

Cooling method Water-cooled, forced circulation

Water pump

Type Centrifugal, timing belt driven
Water seal type Unified mechanical seal

Thermostat

Type Wax, two stage
Start
to
open °C (°F) Main valve:
86.5-89.5 (188-193)
78.5-
Sub valve: 81.5 (173-179)
Full open lift mm (in)/°C (°F) Main valve: 8.0 (0.31) Sub valve: 1.5 (0.06) min./100 (212) min./100 (212)

Radiator

Type Corrugated
fin

Cap opening valve pressure kPa (kg/cm2,
psi)
74—103 (0.75—1.05,
11
-15)
Cooling circuit checking pressure kPa (kg/cm2,
psi)
103 (1.05,
15)
Cooling fan

Type Electric
Number
of
blade 4
Outer diameter mm (in) 340 (13.4)
Switching temperature OFF -»
ON
°C (°F) 91 (196)
Voltage V 12
Capacity W-A 120-8.0-11.0

Coolant

Capacity liters (US qt, Imp
qt)
With heater 9.5 (10.0, 8.4) Capacity liters (US qt, Imp
qt)
Without heater 9.0 (9.5, 7.9)
Protection Mixture percentage (Volume) Specific gravity
of
mixture
at
20°C (68 °F) Antifreeze solution
Protection Water Solution
Specific gravity
of
mixture
at
20°C (68 °F) Antifreeze solution Above -16°C (3°F) 65 35 1.054
Above -26°C (-15°F) 55 45 1.066
Above -40°C (-40°F) 45 55 1.078

30-17

TECHNICAL DATA 30
5. ENGINE ELECTRICAL SYSTEM
Gasoline Engine
——— Engine
F6 F8 FE FE FE
Item ____ F6 F8 (8 VALVE) (12 VALVE) (DOHC)

Battery
Voltage
Type and capacity
12, Negative ground
(20 hour rate) 34B19L(S) (33 Ah): General 50D20L (50 Ah), 55D23L (60 Ah):
ECE

Alternator
Type A.C.
Output V-A 12-70
Regulator type Transistorized (built-in
IC
regulator)
Regulated voltage 14.1-14.7
Brush length
mm (in) Standard 16.5 (0.650)
Minimum 8.0 (0.315)
Drive belt tension
mm (in)/98
N (10
kg,
22 lb)
New:
6-8
(0.24-0.32), Used:
7-9
(0.28—0.35)
Starter
Type Coaxial reduction: Middle East
&
General (FE
•
carburetor)
Non-reduction: Others
Output V-kW 12-0.85
Brush length mm (in)
12-0.95
Standard 17.0 (0.669)
Minimum 11.5 (0.453)

Unleaded fuel

17,0 (0.669)

Others

17.5 (0.689)

Unleaded fuel
11.5 (0.453)
Others
10.0 (0.394)

12-1.4 12-0.95
17.0 (0.669)
11.5 (0.453)
Ignition timing 6
±
1
°
BTDC (Vacuum hose disconnected) 12
±
1° BTDC
(Test connector
grounded)
Distributor
Type Fully transistorized (HEI)
Electronic spark advance
Centrifugal spark advance
(crank angle/engine speed)
degree/rpm
F6
-2-2/1,000 6-10/2,100 14-18/6,100
F8 -2-2/1,000 10—14/2,100 18-22/6,100
FE
(8
VALVE)—Carburetor Unleaded fuel
(MTX)-2—2/1,760 12—16/3,360 22—26/5,320 (ATX)-2-2/1,300 12-16/3,360 22-26/5,320
Others
-2-2/1,460 10-14/2,540 22-26/5,540
FE (12 VALVE)—Carburetor -2-2/1,200 10-14/2,400 10-14/4,000 16-20/5,000
FE—Fuel injection (except
FE
DOHC)
-2-2/1,000 10-14/2,600 10-14/4,600 16-20/5,800

30—23

30 TECHNICAL DATA
Engine
Item F6 F8 FE FE FE F8 (8 VALVE) (12 VALVE) (DOHC)

Distributor
Vacuum spark advance
(Crank angle/Vacuum)
degree/mmHg (inHg)
Type
Spark plug
F6 and
F8
-2-2/100
6-10/300
FE
(8
VALVE)—Carburetor Unleade fuel -2-2/120 8-12/245
Others (MTX)-2-2/100 16-20/250
(ATX) -2-2/100 10-14/200
FE (12 VALVE)—Carburetor
-2-2/120 11-15/300
FE—Fuel injection (except
FE
DOHC) [A chamber] -2-2/125 18—22/300
[B chamber] -2-2/125
-6--10/200

FE
(8
VALVE)* NGK: BPR5ES-11, BPR6ES-11 Nippon Denso: W16EXR-U11, W20EXR-U11
Others NGK: BPR5ES, BPR6ES Nippon Denso: W16EXR-U, W20EXR-U
Plug
gap
mm (in)

Firing order

0.75-0.85 (0.030-0.033),
FE

(8 VALVE)* 1.0-1.1
(0.039-0.043)

1-3-4-2

NGK:
BCPR5E, BCPR6E Nippon Denso: Q16PR-U, Q20PR-U
0.7-0.8
(0.028-0.031)

NGK:

Unleaded fuel BCPR5E-11 BCPR6E-11 BCPR7E-11
Leaded fuel BCPR5E BCPR6E

1.0-1.1 (0.039-0.043)*1
0.7-0.8
(0.028-0 031)'2
Diesel Engine
————Engine Item " RF-N RF-CX

r5a!:ery
Voltaae
V
12, Negative around
r5a!:ery Type and capacity (20 hour rate) 80D26L (65)
50D20L, 50D20R (50)-ECE 80D26L (65) 65D23L, 65D23R (55)
Alternator

TvDe
A.C.
Alternator
Output
V—A
12-70 12-75
Alternator
Regulator tvoe Transistorized (built-in
IC
reaulator)
Alternator Regulated voltaae
V
14.1-14.7 Alternator
Brush length mm (in)
Standard 16.5 (0.650) 21.5 (0.846)
Alternator
Brush length mm (in) Minimum 8.0 (0.315) 8.0 (0.315)
Alternator
Drive belt tension
mm (in)/98
N
(10 ka,
92 lb)
New: 9-11 (0.35-0.43), Used: 12-14 (0.47-0.55)
Starter
Type Reduction
Starter Output V—kW 12-2.0, 12-2.2 (Cold area) Starter Brush length
mm (in)
Standard 2.0 kW: 17.0 (0.669),
2.2
kW: 18.0 (0.709) Starter Brush length
mm (in) Minimum 2.0 kW: 11.0 (0.453).
2.2
kW: 11.0 (0.453)
Firina order 1-3-4-2
*1 Unleaded fuel model
*2 Leaded fuel model

30-24

30 TECHNICAL DATA
Body type Specification (W) (BULB TRADE NO)
Item MX-6/Coupe Sedan Hatchback

Brake 1.4
Oil pressure 1.4
Fuel 1.4
Washer level 1.4
Rear 1.4
4WS
— —
1.4 (ECE)
Indicator and warning lights
Door 1.4 Indicator and warning lights Seat belt 1.4 Indicator and warning lights ABS 1.4
Alternator 1.4
High beam 3.4
Turn signal 3.4
O/D OFF 0.8
A/T mode 0.8 (ECE)
A/T position 0.8
Glove compartment light 3.4
Interior lights Interior light 10
Luggage compartment light 5
Motor 4.8
Hazard switch 1.4
Cigar lighter 3.4
Auto cruise main switch 0.5
Illumination lights AAS switch 1.4
Rear defroster switch 1.4
A/T switch 1.4
A/T 3.4
IG switch 1.4

STANDARD BOLT AND NUT TIGHTENING TORQUE
Diameter
mm (in)
Pitch
mm (in)
4T 6T 8T Diameter
mm (in)
Pitch
mm (in) N-m m-kg ft-lb N-m m-kg ft-lb N-m m-kg ft-lb

6 (0.236) 1 (0.039) 4.2-6.2 0.43-0.63 3.1-4.6 6.9-9.8 0.7-1.0 5.0-7.2 7.8-11.8 0.8-1.2 5.8—8.8
8 (0.315) 1.25 (0.049) 9.8—14.7 1.0-1.5 7.2-10.8 16-23 1.6-2.3 12-17 18—26 1.8-2.7 13-20
10 (0.394) 1.25 (0.049) 20-28 2.0—2.9 14-21 31-46 3.2-4.1 23—34 36-54 3.7-5.5 27-40
12 (0.472) 1.5 (0.059) 34—50 3.5-5.1 25-37 55-80 5,6-8.2 41-59 63-93 6.4-9.5 46-69
14 (0.551) 1.5 (0.059)
— — —
75-103 7.7-10.5 56-76 102—137 10-14 75-101
16 (0.630) 1.5 (0.059)
— — —
116-157 12-16 85-116 156-211 16-22 115-156
18 (0.709) 1.5 (0.059)
— — —
167-225 17-23 123-166 221-299 23-31 163—221
20 (0.787) 1.5 (0.059)
— — —
231-314 24-32 171-231 308—417 31-43 227-307
22 (0.866) 1.5 (0.059)
— — —
314—423 32-43 231-312 417—564 43-58 307-416
24 (0.945) 1.5 (0.059)
— — —
475—546 41—56 298—403 536-726 55-74 396-536

30—40

40 SPECIAL TOOLS
CHECKER AND OTHER
TOOL NUMBER & DESCRIPTION

49 F018 001
Checker lamp
49 9200
163

Adapter
harness
49 G018 902
Injector
checker
49 0187 280
Oil pressure gauge
49 0305 870A
Tool set,
window
49 0839 285
Checker, fuel
and
thermometer
49 9200
020

V-ribbed belt tension gauge
49 0242 685A
Switch starter

PRIORITY ILLUSTRATION TOOL NUMBER & DESCRIPTION

49 9200
162

Monitor, engine signal
49 U018 003
Adapter harness
49 G018 901
Adapter
harness
49 9200 010
ACC checker
49 H018 9A1
Self-diagnosis
checker
49 9200 750A
Multi-pressure
tester
49 G018 001
Adapter harness

PRIORITY ILLUSTRATION
40—10 expert22 /yia http://rutracker.org