water pump MAZDA 626 1987 User Guide

1 C ASSEMBLY (INJECTION PUMP)
INJECTION PUMP
Torque Specifications
25—29 N-m (2.5-3.0 m-kg, 18—22 ft-lb)
19—26 N-m (1.9—2.6 m-kg, 14—19 ft-lb)
31—46 N-m (3.2—4.7 m-kg, 23—34 ft-lb)
8—12 N-m (80—120 cm-kg, 69—104 in-lb)
8—11 N-m (80—110 cm-kg, 69—95 in-lb)

8—11
N.m (80—110 cm-kg, 69—95 in-lb) ^
/'/ \iiv>• r: \\c
37-52 N-m // V\ J ^ (3.8—5.3 m-kg, 27-3B ft-ib)
12—1B N-m (1.2—1.8 m-kg, 104—156 In-lb)
37-52 N-m (3.8—5.3 m-kg, 27—38 ft-lb}
12—18 N-m (1.2—1.8 m-kg, 104—156 In-lb)
76G01C-179
Water Pump
1. Remove the dirt or old gasket from the water pump
mounting surface.
2. Install the water pump and new gasket so that the
printed side of the gasket faces the water pump.
Tightening torque:
Bolt A: 31—46 N-m
(3.2—4.7 m-kg, 23—34 ft-lb)
Bolt B: 8—11 N-m
(80—110 cm-kg, 69—95 in-lb)
76G01C-180
1C—78

ASSEMBLY (INJECTION PUMP) 1 C
Water Pipe
1. Apply a coat of vegetable oil to the O-ring.
2. Install the water pipe.
Tightening torque:
8—11 Nm (80—110 cm-kg, 69—95 in-lb)
3. Connect the water hose.
76G01C-181
^OQOja^q^
cffl-.. M
Oil Pressure Switch
Install the oil pressure switch.
Tightening torque: 12—18 N-m
(1.2—1.8 m-kg, 104—156 in-lb)
76G01C-182
Fuel Feed Pipe and Oil Pipe
1. Install the fuel feed pipe and tighten bolt (A).
Tightening torque:
19—26 N-m (1.9—2.6 m-kg, 14—19 ft-lb)
2. Install the oil pipe and loosely tighten the bolts (B).
76G01C-183
"m
fa?-^ lA-f! . 11
? - ' ~" ~ -'
Oil Level Gauge
Install the oil level gauge and stay.
Tightening torque:
8—12 N-m (80—120 cm-kg, 69—104 in-lb)
76G01C-184
1C-79

1 C ASSEMBLY (INJECTION PUMP)
Injection Pump
1. Install the injection pump with the injection pump
brakcet.
Tightening torque:
37—52
N m
(3.8—5.3 m-kg, 27—38 ft-lb)
Note
If the injection pump bracket and the injection
pump are separated, injection timing adjust-
ment is necessary after installing the timing
belt.
2. Connect the CSD water hose and fuel hoses.
Injection Pipe
1. Check that no dirt or other foreign material is on
the pipe coupling.
2. Install the fuel injection pipes.
Tightening torque:
25—29 Nm (2.5—3.0 m-kg, 18—22 ft-lb)
76G01C-186
m.«JL
Qja .

^ }
No.3 Engine Mount and Idler
Install the No.3 engine mount and idler.
Tightening torque:
37—52
N
m (3.8—5.3 m-kg, 27—38 ft-lb)
76G01C-187
1C—80

1 C ASSEMBLY (AUXILIARY PARTS)
76G01C-213
76G01C-214
Comprex Supercharger Insulator
Install the comprex supercharger insulator.
Tightening torque:
8—11 N-m (80—110 cm-kg, 69—95 in-lb)
Air Funnel Assembly
1. Install the air funnel assembly.
Tightening torque:
Bolt A: 19—26
N
m
(1.9—2.6 m-kg, 14—19 ft-lb)
Bolt B: 3—4
N
m
(35—45 cm-kg, 30—39 ft-lb)
2. Connect the actuator vacuum tube.
76G01C-215
Vacuum Pump
1. Install the vacuum pump with bracket.
Tightening torque:
37—52 N-m (3.8—5.3 m-kg, 27—38 ft-lb)
2. Connect the oil pipe and hose.
Tightening torque:
12—18 N-m (1.2—1.8 m-kg, 104—156 ft-lb)
3. Install the drive belt, and adjust the belt deflection.
(Refer to page 1C—7)
PCV Hose
Install the PCV hose.
I! Jfc)' j
.CSD water hose
ilJJM: !
76G01C-216
CSD Water Hose
1. Remove the engine from the engine hanger.
2. Tighten the oil pipe mounting bolts.
Bolt A: 8—11 N-m
(80—110 cm-kg, 69—95 in-lb)
Bolt B: 12—18 N-m
(1.2—1.8 m-kg, 104—156 ft-lb)
3. Install the CSD water hose.
Tightening torque:
37—52 N-m (3.8—5.3 m-kg, 27—38 ft-lb)
1C-90

2 A TROUBLESHOOTING GUIDE
SPECIFICATIONS
Engine model Item . FEDOHC F6, F8, FE SOHC
Lubrication system Force-fed
Oil pump
Type Trochoid gear Crescent gear
Oil pump Regulated pressure kPa (kg/cm2, psi) 490 (5.0, 71) 392 (4.0, 57) Oil pump
Oil pressure kPa (kg/cm2, psi)
1,000 rpm 147-245 (1.5-2.5, 21-36) Oil pump
Oil pressure kPa (kg/cm2, psi) 3,000 rpm 343—441 (3.5-4.5, 50-64) 294-392 (3.0-4.0, 43—57)
Oil filter Type Full-flow, paper element Oil filter Relief pressure differential kPa (kg/cm2, psi) 98 (1.0, 14)
Oil cooler Type Water cooled, 6-layer Water cooled, 4-layer
Oil warning pressure kPa (kg/cm2, psi) 29 (0.3, 4.3)
Oil capacity
Total (dry engine) liters (US qt, Imp qt) 4.3 (4.5, 3.8)
Oil capacity Oil pan liters (US qt, Imp qt) 3.6 (3.8, 3.2) Oil capacity
Oil filter liters (US qt, Imp qt) 0.2 (0.21, 0.18) 0.3 (0.32, 0.26)
Engine oil (API service) SD, SE, or SF
76G02A-003
Recommended SAE Viscosity
Temperature j0pj
-30 -20 -10 0 10 20 30 40 50 I l I I 1 < ! I I Temperature j0pj i i i i I i 1 1
-20 0 20 40 60 80 100 120
Engine oil Engine oil
5W-30 X 30 >
Engine oil Engine oil
5W-20 > < 20W-20 > < 40
Engine oil < 10W-30 > Engine oil
< 10W-40 10W-50
Engine oil Engine oil
< 20W-40 20W-50
Engine oil
Temperature range anticipated before next oil change, °C(°F)
TROUBLESHOOTING GUIDE
Problem Possible Cause Remedy Page
Engine hard
starting
Improper engine oil
Insufficient engine oil
Replace
Add oil
2A— 5
2A— 5
Excessive oil con-
sumption
Oil working up or working down
Oil leakage
Refer to Section 1
Repair
Oil pressure drop Insufficient oil
Oil leakage
Worn or damaged oil pump gear
Worn plunger (inside oil pump) or weak spring
Clogged oil strainer
Excessive main bearing or connecting rod bearing
clearance
Add oil
Repair
Replace
Replace
Clean
Refer to Section 1
2A- 5
2A-11
2A-11
Warning lamp illu-
minated while en-
gine running
Oil pressure drop
Malfunction of oil pressure switch
Malfunction of electrical system
As described above
Refer to Section 15
Refer to Section 15
76G02A-004
2A—4

OUTLINE 2B
SPECIFICATIONS
Item Engine model RF-CX RF-N

Lubrication system Force-fed
Type Trochoid gear
Oil pump Gear width mm (in) 7 (0.28)
Regulated pressure kPa (kg/cm2,
psi)
510-618 (5.2 -6.3, 74—90)
Oil filter
Type Combined, paper element
Oil filter
Relief pressure differential kP (kg/cm2,
psi)
78-118 (0.8--1.2, 11-17)
Oil cooler Type Water cooled, 10 layer Water coold,
4
layer
Oil filter body
Regulated pressure kPa (kg/cm2,
psi)
402—481
(4.1
-4.9, 58—70)
Oil filter body
Oil cooler relief pressure differential kPa (kg/cm2, psi) 177-216 (1.8 -2.2, 26-31)
Oil warning lamp activation pressure kPa (kg/cm2,
psi)
29 (0.3, 4.3)
Oil capacity
Total (dry engine)
Oil pan
Oil filter
liters (US qt, Imp
qt)

liters (US qt, Imp
qt)

liters (US qt, Imp
qt)

6.1 (6.4, 5.4)
5.0 (5.3, 4.4)
0.5 (0.52, 0.44)
Engine oil type API service CD CC,
CD
76G02B-003
Recommended SAE Viscosity
CC) Temperature
—30 —20 —10 0 10 20 30 40 50 i i i i i i i ii CC) Temperature i i II i i i i —20 0 20 40 60 80 100 120
Engine oil
5W-30 >
Engine oil
< 10W-30 >
< 20W-20 >
< 15W-40 >
Engine oil
Engine oil
Temperature range anticipated before next oil change, °C(°F)
76G02B-004
2B-3

COOLING SYSTEM
(GASOLINE ENGINE)
OUTLINE 3A— 2
COOLANT FLOW CHART (DOHC) 3A— 2
COOLANT FLOW CHART (SOHC) 3A— 3
SPECIFICATIONS 3A- 4
TROUBLESHOOTING GUIDE 3A— 4
COOLANT 3A- 5
INSPECTION 3A— 5
REPLACEMENT 3A— 5
RADIATOR CAP 3A— 6
INSPECTION 3A— 6
RADIATOR 3A— 7
REMOVAL AND INSTALLATION 3A— 7
INSPECTION 3A— 7
WATER PUMP 3A— 8
REMOVAL 3A— 8
INSPECTION 3A—10
INSTALLATION 3A—10
THERMOSTAT 3A—11
REMOVAL 3A—11
INSPECTION 3A-11
INSTALLATION 3A—11
COOLING FAN 3A—12
SYSTEM CIRCUIT 3A—12
CIRCUIT INSPECTION 3A—12
FAN MOTOR 3A—13
WATER THERMO SWITCH 3A—14
76G03A-001

3A OUTLINE
OUTLINE
COOLANT FLOW CHART (DOHC)
ISC solenoid valve 2-stage thermostat
From jo heater heater Main*™, valve ^--^Sub valve
76G03A-002
1. Water pump
2. Thermostat
3. Radiator
4. Coolant reservoir
5. Oil cooler
6. Cooling fan
3A—2

OUTLINE 3A
COOLANT FLOW CHART (SOHC)
76G03A-015
1. Water pump 4. Coolant reservoir
2. Thermostat 5. Oil cooler (8-valve...only ECE, 12-valve)
3. Radiator 6. Cooling fan
3A—3

3A TROUBLESHOOTING GUIDE i
SPECIFICATIONS
^Engine model
Item ^__
FE-DOHC
FE 8-valve,
F8, F6...except
Middle East
.General
FE 12-valve
FE 8-valve F8, F6...only Middle East General

Cooling system Water cooled, forced circulation
Coolant capacity liters (US qt, Imp qt)
With heater 7.5 (7.9, 6.6) Coolant capacity liters (US qt, Imp qt) Without heater 7.0 (7.4, 6.2)
Water pump Type Centrifugal, timing belt driven Water pump
Water seal Unified seal
Thermostat
Type Wax, 2-stage Wax
Thermostat
Opening temperature °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) Thermostat
Full-open temperature °C(°F) 100 (212) 95 (203)
Thermostat
Full-open lift
mm
(in) Sub: 1.5 (0.06) min.
Main: 8.0 (0.31) min. 8.5 (0.33) min.
Radiator
Type Corrugated
Radiator Cap valve opening pressure
kPa (kg/cm2, psi) 74-103 (0.75-1.05, 11-15)
Cooling
fan

Capacity
W

MTX 80
Cooling
fan

Capacity
W
ATX 120
Cooling
fan
Number
of
blade 4 Cooling
fan

Outer diameter
of
blade
mm
(in) MTX 320 (12.6)
Cooling
fan

Outer diameter
of
blade
mm
(in)
ATX 340 (13.4)

76G03A-003
TROUBLESHOOTING GUIDE
Problem Possible Cause Remedy Page
Overheating
Insufficient coolant Add 3A—
5

Coolant leakage Repair
—

Radiator fins clogged Clean 3A—
7

Radiator cap malfunction Replace 3A-
6

Cooling fan malfunction Repair 3A-12 Thermostat malfunction Replace 3 A-11
Water passage clogged Clean 3A—
5

Water
DumD
malfunction ReDair
or
replace 3A-
8
Corrosion
Impurities
in
coolant Replace 3A-
5
76G03A-004
3A—4