1989 MAZDA 323 dohc

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)

GI IDENTIFICATION NUMBER LOCATIONS/UNITS/ABBREVlATlONS
VEHICLE IDENTIFICATION NUMBER (VIN) AUTOMATIC TRANSAXLE MODEL AND NUMBER
ENGINE MODEL AND NUMBER
B6 ENGINE
IDENTIFICATION NUMBER LOCATIONS
UNITS
I
N.m (m-kg or cm-kg,
ft-lb or in-lb) . . . . . . . . . . . . . . . . . . Torque
rpm ._..,,,.............,.......... Revolutions per minute
A . . . . . . . . . . . . . . . . . Ampere(s)
v, . . . . . . . . . . . . . .
Volt(s)
$2 _....._..,......................... Ohm(s) (resistance)
kPa (kg/cm2,
psi) . . . . . . . . . . Pressure
(usually positive)
mmHg (inHg) . . . . . . . . . . . . . . . Pressure
(usually negative)
W.. . . . . . . . . . . .
Watt
liters (US qt, Imp qt) ,... Volume
mm (in) ..,......,...,........... Length
89UOGX-00
ABBREVIATIONS
ABDC . . . . . . . . . . . . . . . . . . . . .
After bottom dead
center
A/C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air conditioner
ACC ..,.,...... 3 . . . . . . . . . . . . . . . . . Accessories
ATX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Automatic transaxle
ATDC ..,,...,...,............... After top dead center
ATF . . . . . . . . . . . . . . . . . Automatic transaxle
fluid
BBDC ,,..,.......,...,......,... Before bottom dead
center
BTDC .,......,...............,.. Before top dead center
CPU ..,,.......,...,..........,.. Central processing unit
DOHC ..,...,..,............,,.. Double overhead
camshaft
DRL ____.......................... Daytime running lights
EC-AT .,_.......,............,,.. Electronically-controlled
automatic transaxle
L
GI-10
ECU ............................. Engine control unit
EGI ............................... Electronic gasoline
injection
E/L.. .............................. Electrical load
EX ................................ Exhaust
GND.. ........................... Ground
HLA.. ............................ Hydraulic lash adjuster
IGN ............................... Ignition
IN ................................. Intake
INT ............................... Intermittent
ISC
............................... idle speed control
LH ................................ Left hand
M..
................................ Motor
MIL..
............................. Malfunction indicator
lamp
M/S..
............................. Manual steering
MTX.. ............................ Manual transaxle
OD ................................ Overdrive
OFF.. ............................ Switch off
ON.. .............................. Switch on
PCV.. ............................ Positive crankcase
ventilation
PRC..
............................ Pressure regulator
control
PIS ................................ Power steering
RH..
.............................. Right hand
SOHC.. .........................
z;;kiprhead
SST ............................... Special service tool
SW.. .............................. Switch
TNS
.............................. Tail number side
VICS
............................. Variable inertia charging
system
23UGIX-00

SCHEDULED MAINTENANCE SERVICES (EXCEPT CANADA)
Follow Schedule 1 (Normal Driving Conditions) if the vehicle is mainly operated where none of the following conditions apply.
Follow Schedule 2 (Unique Driving Conditions) if any of the conditions below apply:
l Repeated short-distance driving.
l Driving in dusty conditions.
* Driving with extended use of brakes.
* Driving in areas where road salt or other corrosive materials are used.
l Driving on rough and/or muddy roads.
l Extended periods of idling and/or low-speed operation.
l Driving for prolonged periods in cold temperatures and/or extremely humid climates.
Schedule 1 (Normal Driving Conditions)
Number of months or miles (kilometers), whichever comes first
Months 7.5 15 22.5 30 37.5 45 52.5 60
7.5 15 22.5 30 37.5 45 52.5 60
12 24 36 46 60 72 64 96 Service data and inspection points Page
Bl-5
B2-5
D-5
D-5
Bl-12
B2-12
F-79
G-18 MAINTENANCE
OPERATION
m Cracks or damage
B Tension
m 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:
0.17 liter (0.18 US qt, 0.15 Imp qt)
-
l Plug gap: 1.0-l .l mm (0.039-0.043 in)
l Recommended spark plugs
Engine NGK NIPPONDENSO
B6 SOHC BKR5E-11 KIGPR-Ull
BKRGE-11 K20PR-U 11
BP SOHC BKR5E-11 KlGPR-Ull
BKRGE-11 K20PR-U 11
BKR5E-11 KlGPR-Ull
BP DOHC BKRGE-11 K20PR-U 11
BKR7E-11 K22PR-Ull I I
R R R R R R R R
R R R R R R R R Drive belts
Engine oil
Oil filter
Engine timing belt*’
Air cleaner element Replace every 60,000 miles (96,000 km)
I
Spark plugs

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

7 Schedule (Cont’d)
rile
iii
48
30
-
R
I
R !rs
25
40
25
-
-i- , whichever comes first
OPERATION MAINTENANCE Number of m
INTERVALS Months
x 1,000 km
x 1,000 miles
ii
is
G
-
i-
-
-
I
5-
T
-
-
-
-
-
-
- ii
z
ro
-
I-
-
-
I
- 45
72
45
-
-i-
-
-
I
-
ry 15 month:
I I I
A
t
A
j
milt Service data and inspection points Page
l Capacity
MTX B6, BP SOHC:
2.68 liters (2.83 US qt, 2.36 Imp qt)
BP DOHC
3.35 liters (3.55 US qt, 2.96 Imp qt)
ATX: 6.3 liters (6.7 US qt, 5.5 Imp qt)
l Level and condition
- Jl-7
J2-7
- Transaxle oil
l Wear and damaae -i- -i- -i- -
Brake fluid, clutch fluid
Brake fluid*3 -
Q-3, 5
Q-6
N-27
P-28
P-29 I I
- I
1,oo
-i
-
-
-
-
-
-
- I
G
T
-
-
-
-
-
-
- I
15,(
I Tire inflation pressure and wear l Proper pressure-
-
l Level and condition
l Wheel cylinder operation and leakage l Lining for wear or damage l Lining thickness:
Minimum 1 .Omm (0.04 in)
l Drum inner diameter. 3s) or f
I I
I
:t r
- Rotate tires
Power steering fluid
Drum brake ? every
I I
Disc brake I I
Maximum 201mm (7.91 in)
l Caliper operation l Disd plate thickness:
Minimum Front.... 20mm (0.79 in)
Rear . . . . . 7.0mm (0.28 in)
l Pad thickness:
Minimum Front.... 2.0mm (0.08 in) P-20
P-25
P-l 8
P-25
N-27
N-8 Rear . . . . . 1 .Omm (0.04 in)
l Operation and looseness l Fluid leakage or oozina
l Free play.... O--3OmmjO-1.18 in)
l Damage looseness and grease leakage
l Cracking and damage
l Insulator clearawp .-v
-
Steering operation and linkage
I
-i-
-I-
-i- Front suspension ball joint
Drive shaft dust boots
Exhaust system heat shield
Air conditioner system (if equipped) Refrigerant
Compressor
Suspension components (front and rear)
All chassis and body nuts and bolts
All locks and hinaes
Washer fluid -
M-21
F-136
u-35
u-39
-
- IY efrigerant amount ann
*. I# mspec
Inspect operation annualry -
l Damaae
l Retighten all loose nuts and bolts
l Lubricate all locks and hinges
l Level
l ODeration - Function of all lights l !%t and damage -

82
ENGINE
m :
(DOHC)
INDEX .......................................... B2- 2
OUTLINE ...................................... B2- 3
SPECIFICATIONS ........................ B2- 3
TROUBLESHOOTING GUIDE .......... B2- 3
ENGINE TUNE-UP PROCEDURE ......
B2- 5
PREPARATION ............................
B2- 5
ENGINE OIL ............................... B2- 5
ENGINE COOLANT.. ....................
B2- 5
DRIVE BELT ............................... B2- 5
HLA .......................................... B2- 7
IGNITION TIMING, IDLE SPEED ..... B2- 8
COMPRESSION ............................. 82-l 0
INSPECTION ...............................
82-l 0
ON-VEHICLE MAINTENANCE.. ........ 82-l 1
PREPARATION ............................
B2-11
TIMING BELT .............................. 82-l 2
CYLINDER HEAD GASKET ...........
82-16
HLA .......................................... 82-22
FRONT OIL SEAL.. ......................
62-26
REAR OIL SEAL .......................... 82-28
REMOVAL ..................................... 82-31
PROCEDURE .............................. 82-31
ENGINE STAND MOUNTING.. .........
82-38
PREPARATION ............................ 82-38
PROCEDURE ..............................
82-39
DISASSEMBLY .............................. 82-41
PREPARATION ............................ B2-41
AUXILIARY PARTS.. ..................... 82-42
TIMING BELT ..............................
82-43
CYLINDER HEAD.. ...................... 82-45
CYLINDER BLOCK
(EXTERNAL PARTS) ...................
B2-48
CYLINDER BLOCK
(INTERNAL PARTS). ................... 82-51 INSPECTION / REPAIR.. ................. 82-54
PREPARATION ............................ 82-54
CYLINDER HEAD.. ...................... B2-54
VALVE MECHANISM.. .................. 82-55
CAMSHAFT ................................ B2-58
HLA .......................................... 82-80
CYLINDER BLOCK ...................... 82-60
OIL JET ..................................... B2-61
PISTON, PISTON RING, AND
PISTON PIN .............................. 82-62
CONNECTING ROD.. ...................
82-63
CRANKSHAFT ............................ B2-64
BEARING ................................... 82-64
TIMING BELT ..............................
82-65
TENSIONER, IDLER.. ................... 82-65
TENSIONER SPRING ................... 82-65
PULLEY ..................................... 82-65
ASSEMBLY ................................... B2-66
PREPARATION ............................ B2-66
CYLINDER BLOCK
(INTERNAL PARTS). ................... 82-68
CYLINDER BLOCK
(EXTERNAL PARTS) ................... 82-73
CYLINDER HEAD.. ...................... 82-79
TIMING BELT .............................. 82-84
AUXILIARY PARTS.. .....................
B2-87
ENGINE STAND DISMOUNTING ..a” . . 82-91
PROCEDURE ..............................
82-91
INSTALLATION ............................. 82-93
PROCEDURE .............................. 82-93
23UOB2-001

OUTLINE, TROUBLESHOOTING GUIDE
OUTLINE
SPECIFICATIONS
ItC- Engine
BP DOHC
Type Gasoline, 4-cycle
Cylinder arrangement and number In-line, 4 cylinders
Combustion chamber Pentroof
Valve svstem DOHC, belt-driven 16 valves
Displacement
Bore and stroke cc (cu in) 1,839 (112.2)
mm (in) I 83.0 x 85.0 (3.27 x 3.35)
Compression ratio
Compression pressure
IN
Valve timing
EX kPa (kg/cm*, psi)-rpm
BTDC Open
Close ABDC
Open BBDC
Close ATDC 9.0
1,256 (12.8, 182)300
!zJ”
48O
56O
140
Valve clearance IN 0: Maintenance-free
mm (in)
EX 0: Marntenance-free
Idle speed *’ *’ MTX
rpm
ATX
Ignition timing*2
Firing order
::...With parking brake applied. (Canada)
. ..TEN terminal of diagnosis connector grounded BTDC 700-800
700-800 (P range)
90-l 1 O
l-3-4-2
P3UOBZ003
TROUBLESHOOTING GUIDE
Problem
Difficult starting
Poor idling
Excessive oil
consumption Possible Cause
Malfunction of engine-related components
Burned valve
Worn piston, piston ring, or cylinder
Failed cylinder head gasket
Malfunction of fuel system
Malfunction of ignition system
Malfunction of engine-related components
Malfunction of HLA*
Poor valve-to-valve seat contact
Failed cylinder head gasket
Malfunction of fuel system
Malfunction of ignition system
Oil working up
Worn piston ring groove or sticking piston ring
Worn oiston or cvlinder
Oil working down
Worn valve seal
Worn valve stem or auide
Oil leakaae i
Replace 82-55
Replace or repair 92-60, 62
Reolace B2-16
Refer to Section F
I
Replace 82-47, 79
Replace 82-55
Refer to Section 0 I
82-3