water pump MAZDA PROTEGE 1992 User Guide

B2 ON-VEHICLE MAINTENANCE
HLA
Removal / Installation
1. Disconnect the negative battery cable.
2. Remove in the order shown in the figure, referring to
Removal Note.
3. install in the reverse order of removal, referring to Installation Note --- ----- -__ __-- ,‘.
11.3-14.2 N.m
(1.15-1.45 m-\g, 100-126 in-lb)
49-61
(5.0~6.2,-36-45)
4.9-6.6 N.m
(50-90 cm-kg, 43-76 in-lb)
7.6All N-m
(80-110 cm-kg, 69-95 in-lb) 1 Q’-25
(1.9-2.6, 14-19)
N.m (m-kg, ft-lb)
0311082-03
1. High-tension lead
10. Cylinder head cover
2. Distributor
Installation Note..
....................
Installation Note.. ......................
page 62-25
11. Camshaft pulley
3. P/S and/or A/C drive belt
Removal note ..........................
Removal / Installation..
.............. page E32-
6
Installation Note .......................
4. Alternator drive belt
12. Seal plate
Removal / Installation
......... . ...... page B2- 6
13. Camshaft
5. Water pump pulley
Removal Note.. ........................
6. Timing belt cover, upper
Installation Note.. .....................
7. Timing belt cover, middle
14. HLA
8. Spark plug
Removal note ..........................
9. Timing belt
Installation
Note.. .....................
Removal Note.. .........................
page B2-18 Inspection
................................
Installation Note.. ......................
page B2-20
7
page 62-19
page 82-23
page 82-24
page B2-23
page 62-23
page B2-23
page B2-23 ‘--’
page 82-60
82-22

DISASSEMBLY 82
TIMING BELT
1. Disassemble in the order shown in the figure, referring to Disassembly Note.
23UOB2-0:
1. Water pump pulley
2. Crankshaft pulley
3. Timing belt cover, upper
4. Timing belt cover, middle
5. Timing belt cover, lower
6. Pulley lock bolt
7. Pulley boss
8. Timing belt
Disassembly Note . . . . . . . . . . . . . . . . . . . . page B2-44
9. Tensioner and tensioner spring
10. Idler
Disassembly Note . . . . . . . . . . . . . . . . . . . . page B2-44
B2-43

B2 DISASSEMBLY
CYLINDER BLOCK (EXTERNAL PARTS)
1. Disassemble in the order shown in the figure, referring to Disassembly Note.
I
@ma @a% GASST, REPLACE
GASKET,
REPLACE
/
d I @REPLACE
23UOB2-0
1. Water pump
Service ..,....,..,......,.,.,,.....,,.,.......... Section E
2. Timing belt pulley and lock bolt
Disassembly Note . . . . . ..,.,........,. page 82-49
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 82-65
3. Clutch cover, clutch disc (MTX)
Service . . . , , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section H
4. Flywheel (MTX)
Disassembly Note ,.. . . . . . . . . . . . . . . . . . page 82-49
Inspect for wear or damage
5. Backing plate, drive plate, and adapter (ATX)
Disassembly Note . . . . ,., ,..... . . . . . . . page B2-49
6. End plate 7. Oil pan and gasket
Disassembly Note .,.................. page 82-49
Inspect for damage
8. Oil strainer
9. Main bearing support plate (MBSP)
Disassembly Note . . . ., . . . . . ..,.... . . . page B2-50
Inspect for damage
10. Oil pump
Service . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Section D
11. Front oil seal
Disassembly Note .,.................. page 82-50
12. Rear cover
13. Rear oil seal
Disassembly Note . . . . . . . . . . . . . . . . . . . . page B2-50
B2--48

I32 ASSEMBLY
Qill’ ’ 23UOB2-050
03UOB2-10
2. Install the timing belt pulley.
3. install the pulley Woodruff key with the tapered side toward
the oil pump body.
4. Install the pulley lock bolt.
5. Tighten the pulley lock bolt.
Tightening torque:
157-167 N#rn (16-17 m-kg, 116-123 ft-lb)
Water Pump
1. Remove all foreign material from the water pump mount-
ing surface.
2. Install the water pump and a new gasket.
Tightening torque:
19-25 N.m (1.9-2.6 m-kg, 14-19 ft-lb)
82-78

I 23UOB2-044
82 ASSEMBLY
DEFLECTION CHECKING POlNT
--; 11. Measure the timing belt deflection by applying moderate
oressure (98 N, 10 kg, 22 lb) midway between the two cam-
shaft pulleys.
If the deflection is not correct, repeat from Step 7 above.
Deflection:
9.0-11.5mm (0.35-0.45 in) at 98 N (10 kg, 22 lb)
Timing Belt Cover
1. Install the lower, middle, and upper covers.
Tightening torque:
7.8-11 N.m (80- ,110 cm-kg, 69-95 in-lb)
I 13EOB2-037
82-86
Pulley lock bolt
1. Hold the flywheel (MIX) or drive plate (ATX) with the SST
and tighten the pulley lock bolt.
Tlghtening torque:
157-167 N.m (16-17 m-kg, 116-123 ft-lb)
Cankshaft pully
1. Install the crankshaft pulley.
2. Install the plate.
3. Tighten the pulley bolts.
Tightening torque:
12-17 N-m (1.25-l -75 m-kg, 9-13 ft-lb)
Water Pump Pulley
1. Install the water pump pulley.
Tightening torque:
7.8-11 N*m (80-110 cm-kg, 69-95 in-lb)

E
COOLING SYSTEM
INDEX ...................................................... E- 2
OUTLINE .................................................. E- 4
SPECIFICATIONS .................................... E- 4
TROUBLESHOOTING GUIDE ...................... E- 4
ENGINE COOLANT .................................... E- 5
PREPARATION ....................................... E- 5
INSPECTION ..........................................
REPLACEMENT ...................................... :z ;
RADIATOR CAP ........................................
PREPARATION ....................................... ;I ;
INSPECTION .......................................... E- 7
RADIATOR ............................................... E- 8
REMOVAL / INSTALLATION ...................... E- 8
INSPECTION .......................................... E- 9
THERMOSTAT .......................................... E- 9
REMOVAL / INSTALLATION ...................... E- 9
INSPECTION .......................................... E- 9
WATER PUMP .......................................... E-l 1
REMOVAL / INSTALLATION ...................... E-l 1
ELECTRIC COOLING FAN SYSTEM ............ E-13
SYSTEM CIRCUIT .................................... E-l 3
SYSTEM INSPECTION .............................. E-14
FAN MOTOR ............................................. E-14
INSPECTION .......................................... E-l 4
REPLACEMENT ...................................... E-l 5
WATER THERMOSWITCH .......................... E-l 8
REMOVAL / INSTALLATION ...................... E-18
INSPECTION .......................................... E-l 8
RADIATOR THERMOSWITCH ..................... E-l 7
REMOVAL I INSTALLATION ...................... E-17
INSPECTION .......................................... E-l 7
FAN RELAY .............................................. E-l 8
REMOVAL I INSPECTION .......................... E-l 8
INSPECTION .......................................... E-l 8
23UOEX-001

INDEX
B6 SOHC AND BP SOHC
COOLANT RESERVOIR
@ ENGINE COOLANT
TOTAL CAPACITY
MTX: 5.0 liters (5.3 US qt, 4.4 Imp qt)
ATX: 6.0 liters (6.3 US qt, 5.3 Imp qt)
1. Engine coolant 6. Electric cooling fan system
23UOEX-00
inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page E- 5
Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page E-
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
page E- 2. Radiator cap
7
3. Radiator
Removal I Installation . . . . . . . ,.......... page E- 8
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page E- 9
4. Thermostat
Removal / Installation . . . . . . . . . . . . . . . . . . page E- 9
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page E- 9
5. Water pump
Removal / Installation ....t___.......... page E-i 1
System
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8. Water thermoswitch
Removal / Installation . . . . . . . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9. Radiator thermoswitch (BP ATX) System
Removal I Installation . . . . . . . . . . . . . . . . . inspection . . . . . . . . . . . . . . . . . . . . . .
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IO. Fan relay
7. Fan motor
Removal / Inspection . . . . . . . . . . . . . . . . . page E-13
page E-14
page E-14
page E-15
page E-16
page E-16
page E-17
page E-l 7
page E-18 ..--’
E-2

E
BP DOHC
-a TO HEATER
&$ No.1 RELAY
COOLANT ~~ESERVOI~~
@ ENGINE COOLANT
TOTAL CAPACITY
MTX: 5.0
liters (5.3 US qt, 4.4 Imp qt)
ATX: 6.0 liters (6.3 US qt, 5.3 Imp qt)
23UOEX-00
1. Engine coolant
6. Electric cooling fan system
Inspection ...................................
page E- 5 System circuit
.............................
page E-l 3
Replacement ...............................
page E-
6 System inspection
....................... page E-14
2. Radiator cap
7. Fan motor
Inspection ................................... page E- 7
Inspection ...................................
page E-14
3. Radiator
Replacement..
............................. page E-i 5
Removal / Installation..
................
page E-
8 8. Water thermoswitch
Inspection
.................. ................................... page E- 9 Removal / Installation
page E-16
4. Thermostat
Inspection ...................................
page E-l 6
Removal I Installation
.................. page E- 9 9. Radiator thermoswitch (ATX)
Inspection
.................. ...................................
page E- 9 Removal I Installation
page E-l 7
5. Water pump
Inspection
...................................
page E-l 7
Removal / Installation ..................
page E-i 1 10. Fan relay
Inspection ...................................
page E-l 8
E-3

E OUTLINE, TROUBLESHOOTING GUIDE
OUTLINE
SPECIFICATIONS
B6 SOHC
BP SOHC BP DOHC
MTX
1 ATX 1 MTX ATX 1 MTX
ATX
Cooling system
Water-cooled, forced circulation
Coolant capacity liters (US qt, Imp qt) 5.0 6.0
5.0
(5.3, 4.4) (6.3, 5.3)
(5.35.04.4) (6.zi.3) (5.3, 4.4) (6.::.3)
Water
pump
Thermostat
Radiator
Cooling fan
L Type
Water seal Centrifugal
Unified mechanical seal
Type Opening temperature
‘C (OF’) Wax, two-stage
Main: 86.5-89.5 (188-193)
Sub : 83.5-86.5 (182-188)
Full-open temperature
OC (OF)
Full-open lift mm (in)
Type
Cap valve opening
pressure 100 (212)
Main: 8.0 (0.31) min.
Sub : 1.5 (0.06) min.
Corrugated fin
74-103 (0.75-1.05, 11-15)
kPa (kg/cm2, psi)
Width
Core size Height
mm (in)
Depth
Fin pitch
mm (in) 647 (25.47)
390 (15.35)
16 (0.63) 1 25 (0.98) 1 16 (0.63) 1 25 (0.98) 1 16 (0.63) 1 25 (0.98)
1.3 (0.051)
Heat dissipation capacity
kcallh 1 38,800 [ 43,800 ( 38,800 1 43,800 1 38,800 1 43,800 1
Type
Transaxle Heat
oil cooler dissipation
capacity
kcallh
Tvoe
- Laminated - Laminated -
Laminated
1,700
I .I -?nn
- -
I,,“”
I
I - I 4 Ye,-. I,IVV 1
, a-
- Electric
Number of blades 4
Outer diameter mm (in)
320 (12.6)
Capacity w-v 80-12 1 160-12 ) 80-12 ) 160-12 1 80-12 1 160-12
1 Hi: 13.3+ 1 1 Hi: 13.3+ 1 1 Hi: 13.3+
Current
TROUBLESHOOTING GUIDE I I I I
Problem Possible Cause
Overheating
Coolant level insufficient
Coolant leakage
Radiator fins clogged
Radiator cap malfunction
Cooling fan malfunction
Thermostat malfunction
Water passage clogged
Water puma malfunction .- Remedy Page
Add
Repair
Clean
Replace
Replace
Replace
Clean
Reolace E- 6
E-9
E- 7
E-13
E- 9
E- 6
E-11
I Corrosion
1 Impurities in coolant 1 Replace
I E-6 I
03UOEX-005

WATER PUMP WATER PUMP
E
REMOVAL / INSTALLATION
Caution
l Do not disassemble the water pump. If a problem is found, replace the pump as a Unit.
1. Disconnect the negative battery cable.
2. Drain the engine coolant.
3. Remove in the order shown in the figure, referring to
Removal Note.
4. Install in the reverse order of removal.
B6 SOHC AND BP SOHC
83, t B6, BP SOHC
I
I
L-----------------_-- ------- -1
/ \/
19-26 (1.9-2.6, 14-19) LVVVLI. YY,
1. Timing belt 4. Water pump assembly
Service ., . . .., ,, ., . . . . . ,. ,.,. ., ,., . . ,,.... . . . . , Section Bl Inspect for cracks, damaged mounting
2. Water inlet pipe
and gasket surface, bearing condition, and leakage
3. Water bypass pipe and O-ring 5. Water pump gasket
E-l 1