1989 MAZDA 323 cooling system

1992
Mazda
CONTENTS
Protege
Workshop
Manual
FOREWORD
This workshop manual is intended for use
by service technicians of Authorized Mazda
Dealers to help them service Mazda vehicles.
For proper repair and maintenance, a
thorough familiarization with this manual is im-
portant, and it should always be kept in a han-
dy place for quick and easy reference.
All the contents of this manual, including
drawings and specifications, are the latest avail-
able at the time of printing. As modifications
affecting repair or maintenance occur, relevant
information supplementary to this volume will
be made available at Mazda dealers. This
manual should be kept up-to-date.
Mazda Motor Corporation reserves the right
to alter the specifications and contents of this
manual without obligation or advance notice.
All rights reserved. No part of this book may
be reproduced or used in any form or by any
means, electronic or mechanical-including
photocopying and recording and the use of
any kind of information storage and retrieval
system-without permission in writing.
Mazda Motor Corporation
HIROSHIMA, JAPAN
APPLICATION:
This manual is applicable to vehicles beginning
with the Vehicle Identification Numbers (VIN)
shown on the following page.
Title
General Information Section
Pre-Delivery Inspection and
Scheduled Maintenance Services
SOHC
Engine
DOHC
Lubrication System
Cooling System
Fuel and Emission Control System
Engine Electrical System
Clutch
FSM-R
Manual Transaxle
GSM-R
Automatic Transaxle
Front and Rear Axles
Steering System
Braking System
Wheels and Tires
Suspension
Body
--
Body Electrical System
Heater and Air Conditioner Systems
Technical Data
Special Tools
Parts Index
Wiring DNvam
I Part No. 5209-10-91 F)
9999~95-019(3-92)
o 1991 Mazda Motor Corporation
PRINTED IN USA, JUL. ‘91
1270-l O-91 G
(9999-95-0178-92)

y Schedule 2 (Unique Driving Conditions)
OPERATION
Drive belts MAINTENANCE / Number of months or miles (kilometers), whichever comes first
INTERVALS Months
5 IO 15 20 25 30 35 40 45 50 55 60
x 1,000 milea i 5 10 15 20 25 30 35 40 45 50 55 60
x 1,000 km 8 16 24 32 40 48 56 64 72
80 88 96
I I Service data and inspection points Page
l Cracks or damage Bl-5 l Tension B2-5
l Oil pan capacity
B6 SOHC: 3.0 liters (3.2 US qt, 2.6 Imp qt)
All BP : 3.6 liters (3.8 US qt, 3.2 Imp qt)
l Oil filter capacity: D-5
I I I I I I I I I I I
RRRRRRR R R R R R
Replace every 3,000 miles (4,800 km) or every 3 months
R R R R R RRRRRRR
0.17 liter (0.18 US qt, 0.15 Imp qt) Engine oil
Engine oil (For Puer-to-Rico)
Oil filter D-5
81-12
82-12
F-79
G-18 Replace every 60,000 miles (96,000 km)
Engine timing belt*’
Air cleaner element -
-
-
-
-
-
-
-
- -
-
-
-
-
-
-
-
-
FL
-
R
-
I
-
R
-
4 *;
-
-
*3
T
- -
-
-
-
-
-
-
-
- -
-
-
-
-
-
-
-
-
*2 -
-
-
-
-
-
-
-
- - R -
l Plug gap: l.O--l.lmm (0.039-0.043 in)
l Recommended spark plugs
Engine NGK NIPPONDENSO
B6 SOHC BKR5E-11
KlGPR-Ull
BKRGE-I 1 K20PR-U 11
BP SOHC BKR5E-I 1 KlGPR-Ull
BKRGE-11 K20PR-U 11
BKRSE-I 1 Kl GPR-Ul 1
BP DOHC BKRGE-11 K20PRUll
BKR7E-11 K22PR-U 11 R
Spark plugs
I
l Hoses for cracks or wear l Coolant level E-5
Cooling system
R
l Coolant capacity:
5.0 liters (5.3 US qt, 4.4 Imp qt) MTX
6.0 liters (6.3 US qt, 5.3 Imp qt) ...,,,,,. ATX
l ATX: P range, MTX: Neutral E-6
Engine coolant
A
-
R
-
I
-
I Idle speed , F-80
F-124 / 700-800 rbrn (with parkina brake applied) -
- -
- , , I .I
-
Fuel filter
l Fittings, connections, and components for
leaks
l Prooer attachment and connections F-120
- Fuel lines
Brake lines. hoses and connections

SCHEDULED MAINTENANCE SERVICES (CANADA)
Schedule
2 1,000 km
x 1,000 mile! Number of months or kilometers (miles), whichever comes first
Months 5 10 15 20 25 30 35 40 45 50 55 60
8 16 24
32 40 40 56 64 72 80 88 96
s 5 10 15 20 25 30 35 40 45 50 55 60
I I I Service data and inspection points Page
MAINTENANCE
OPERATION
l Cracks or damage Bl-5 l Tension 82-5
l Oil pan capacity
B6 SOHC: 3.0 liters (3.2 US qt, 2.6 Imp qt)
All BP : 3.6 liters (3.8 US qt, 3.2 Imp qt)
l Oil filter capacity: D-5
0.17 liter (0.18 US qt, 0.15 Imp qt) Drive belts I I I I I I I I I I I I
Engine oil RRRRRRR R R R R R
Oil filter R R R R R R R R R R R R D-5
81-12
82-12
F-79 Replace every 96,000 km (60,000 miles)
Engine timing belt*’
Air cleaner element
T
-
-
I
-
-i
-
I
-
-
-
-
-
-i-
- -
R -
-
-
-
T
-
-
-
-
-
-
-7
- -
-
-
-
T
-
-
-
-
-
-
T
- -r
-
-
I
-
T
-
I
-
-
-
-
-
-i
-
-
-
-
-
T
-
-
-
-
-
-
T
- -
-
-
-
T
-
-
-
-
-
-
T
- i?-
-
R
-
I
-
R
-i
-
I
F
T
T
-
I
-i
-i
-
-
-
-
-
T
-
-
-
-
-
-
-i
- -
l Plug gap: 1.0-l .l mm (0.039-0.043 in)
l Recommended spark plugs .-
Engine NGK NIPPONDENSO
86 SOHC BKR5E-11 KlGPR-Ull
BKRGE-11 K20PR-U 11
BP SOHC BKR5E-11 KlGPR-Ull
BKRGE-11 K20PR-U
11
BKRSE-11 KlGPR-Ull
BP DOHC BKRGE-11 K20PR-U 11
BKR7E-11 K22PRU 11 G-18
R
-
I
-
R
-i- Spark plugs -
-
-
-
I
-
-
E-5
Cooling system l Hoses for cracks or wear
l Coolant level
0 Coolant capacity: 5.0
liters (5.3 US qt, 4.4 imp qt) ..,.,..,,. MTX
6.0 liters (6.3 US qt, 5.3 Imp qt) . . . . . . . . . . ATX
l Level and condition
l ATX: P range, MTX: Neutral
700-800 rpm (with parking brake applied) E-6
Engine coolant
E-5
F-80
F-124 I
- I
Idle speed
Fuel filter
PCV valve *’
Emission hoses and tubes
Fuel lines
Brake lines, hoses and connections
Automatic transaxle fluid (ATF) -
-
-
I *2
l Operation - F-138
F-6 -
-
- -
-
-
l Fittings and connections
l Fittings, connections, and components for
leaks
l Proper attachment and connections
l Level and conditinn F-l 20 - K-l 35
I I
- I
- I

Bl TROUBLESHOOTING GUIDE
Problem
Insufficient power
Abnormal
combustion
Engine noise Possible Cause
Insufficient compression
Malfunction of HLA*
Compression leakage from valve seat
Seized valve stem
Weak or broken valve spring
Failed cylinder head gasket
Cracked or distorted cylinder head
Sticking, damaged, or worn piston ring
Cracked or worn piston Malfunction of fuel system
Malfunction of ignition system
Others
Slipping clutch
Dragging brakes
Wrong size tires Malfunction of engine-related components
Malfunction of HLA’
Sticking or burned valve
Weak or broken valve spring
Carbon accumulation in combustion chamber Malfunction of fuel system
Malfunction of ignition system
Crankshaft- or bearing-related parts
Excessive main bearing oil clearance
Main bearing seized or heat-damaged
Excessive crankshaft end play
Excessive connecting rod bearing oil clearance
Connecting rod bearing seized or heat-damaged Piston-related parts
Worn cylinder
Worn piston or piston pin
Seized piston
Damaged piston ring
Bent connecting rod Valves or timing-related parts
Malfunction of HLA*
Broken valve spring
Excessive valve guide clearance Malfunction of cooling system
Malfunction of fuel system
Others
Malfunction of water pump bearing
Improper drive belt tension
Malfunction of alternator bearing
Exhaust gas leakage
Malfunction of timing belt tensioner Action
Replace
Repair
Replace
Replace
Replace
Replace
Replace
Replace
Refer to Section F
Refer to Section G
Refer to Section H
Refer to Section P
Refer to Section Q
Replace
Replace
Replace
Eliminate carbon
Refer to Section F
Refer to Section G
Replace or repair
Replace
Replace or repair
Replace or repair
Replace
Replace or repair
Replace
Replace
Replace
Replace
Replace
Replace
Replace
Refer to Section E
Refer to Section F
Refer to Section E
Adjust
Refer to Section G
Refer to Section F
Replace Page 81-20
Bl-57
81-55
81-58
81-16
81-54
81-62
al-62
81-20
81-55
81-58
-
61-71
Bl-64
81-72
81-73 8-i-64
Bl-60
81-63
81-62
81-62
El-63
Bl-20
El-58
81-55
Bl- 5
81-12
911 IORI .N)J LI.,“l. --
* Tappet noise may occur if the engine has set idle for an extended period. The noise should
normal operating temperature. (HLA troubleshooting: Refer to page Bl-7) dissipate after the engine has reached
81-4

B2 TROUBLESHOOTING GUIDE
Problem
Insufficient power
Abnormal
combustion
Engine noise -
I
I
f
,
I
I
,
I
I Possible Cause Action Page
Insufficient compression
Malfunction of HLA*
Compression leakage from valve seat
Seized valve stem
Ueak or broken valve spring
Failed cylinder head
gasket Cracked or distorted cylinder head
Sticking, damaged, or worn piston ring
Cracked or worn piston Replace
Repair
Replace
Replace
Replace
Replace
Replace
Replace
Refer to Section F 82-22
82-57
02-55
B2-58
82-16
82-54
82-62
82-62 Malfunction of fuel system
Malfunction of ianition svstem
Others
Slipping clutch
Dragging brakes
Wrong size tires Malfunction of engine-related components
Malfunction of HLA*
Sticking or burned valve
Weak or broken valve spring
Carbon accumulation in combustion chamber Malfunction of fuel system
Malfunction of ignition system
Crankshaft- or bearing-related parts
Excessive main bearing oil clearance
Main bearing seized or heat-damaged
Excessive crankshaft end play
Excessive connecting rod bearing oil clearance
Connecting rod bearing seized or heat-damaged Piston-related parts
Worn cylinder
Worn piston or piston pin
Seized piston
Damaged piston ring
Bent connecting rod Valves or timing-related parts
Malfunction of HLA*
Broken valve spring
Excessive valve guide clearance Malfunction of cooling system
Malfunction of fuel svstem
Others
Malfunction of water pump bearing Refer to Section E
Improper drive belt tension Adjust
Malfunction of alternator bearing Refer to Section G
Exhaust gas leakage Refer to Section F
Malfunction of timing belt tensioner Replace Refer to Section G
Refer to Section H
Refer to Section P
Refer to Section C!
Replace B2-22
Replace 82-55
Replace 82-58
Eliminate carbon -
Refer to Section F
Refer to Section G
Replace or repair B2-70
Replace 82-64
Replace or repair 82-7 1
Replace or repair B2-72
Replace B2-64
Replace or repair
82-60
Replace 82-63
Replace 82-62
Replace 82-62
Replace 82-63
Replace
Replace
Replace
Refer to Section E
Refer to Section F 82-22
82-58
82-55
B2- 6
82-12
23UOB2-00,
..J
.-,
l
Tappet noise may occur if the engine has set idle for an extended period. The noise should dissipate after the engine has reached
normal operating temperature. (HLA troubleshooting: Refer to page 82-7.)
82-4

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