Engine & identification
Vehicle identification
| No. of cylinders Type | 4/DOHC |
|---|---|
| Capacity (Fiscal) cc | 1840 |
| Compression ratio :1 | 9,1 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 95 |
| Ignition system Make | Mazda |
| Ignition system Type | VICS |
| Ignition system Description | Map-DIS |
| Trigger location | Cam/Crankshaft |
| Fuel system Make | Mazda |
| Fuel system Type | VICS |
| Fuel system Description | MFI-s |
| Air metering Type | Mass |
| Combined ignition and fuel ECM | Yes |
| Diagnostic socket | Yes |
Ignition system
| Ignition coil supply voltage + with ballast V | 12 |
|---|
Firing order
The firing order for the Mazda Premacy 1.8 (1999–2005) is 1-3-4-2.
| Firing order | 1-3-4-2 |
|---|
Valve clearances
Valve clearances for the Mazda Premacy 1.8 (1999–2005) are 0,23-0,30 mm inlet and 0,23-0,30 mm exhaust, measured cold.
| Valve clearance - INLET mm | 0,23-0,30 cold |
|---|---|
| Valve clearance - EXHAUST mm | 0,23-0,30 cold |
Engine oil & fluids
Engine oil
The Mazda Premacy 1.8 (1999–2005) takes 3.5 litres of engine oil with the filter.
See the reference table for the complete engine oil entries and their conditions.
Manual gearbox
The manual gearbox has a listed capacity of 2.7 litres. The specified oil is SAE 75W-90, with classification GL-4/5.
Coolant
The listed total cooling-system capacity is 7.5 litres.
Grades, filling conditions and capacities
| Engine oil options | |
|---|---|
| Ambient temperature range | ➞40°C |
| Engine oil grade SAE | 5W-30 |
| Engine oil classification API/ACEA | SJ/A1, A3 |
| Ambient temperature range | -25°C➞ |
| Engine oil grade SAE | 10W-30 |
| Engine oil classification API/ACEA | SJ/A1, A3 |
| Engine with filter(s) litres | 3.5 |
| Other lubricants and capacities | |
| Manual transmission oil grade SAE | 75W-90 |
| Manual transmission oil classification | GL-4/5 |
| Manual transmission litres | 2.7 |
| Automatic transmission fluid Type | Dexron II |
| Automatic transmission (dry fill) litres | 7.2 |
| Cooling system - total capacity litres | 7.5 |
| Brake fluid Type | DOT 3/4 |
| Brake fluid litres | 1.0 |
| Power steering fluid Type | Dexron II |
| Power steering fluid litres | 1.0 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Mazda Premacy 1.8 (1999–2005) are replaced at a minimum thickness of 22 mm (ventilated) front and 8 mm rear.
| Minimum disc thickness for replacement - ventilated Front | 22 mm |
|---|---|
| Minimum disc thickness for replacement Rear | 8 mm |
| Maximum drum diameter for replacement Rear | 230,1 mm |
Brake disc and drum dimensions
| Disc thickness variation Front | 0,015 mm |
|---|---|
| Disc runout Front | 0,05 mm |
| Disc runout Rear | 0,05 mm |
| Minimum pad thickness Front | 2 mm |
| Minimum pad thickness Rear | 1 mm |
| Minimum shoe thickness Rear | 1 mm |
| Parking brake travel No. of notches | 5-7 |
Service & electrical
Spark plugs
The Mazda Premacy 1.8 (1999–2005) uses NGK BKR5E-11 spark plugs with a 1,1 mm electrode gap.
| Spark plugs Original equipment | NGK |
|---|---|
| Spark plug Type | BKR5E-11 |
| Electrode gap mm | 1,1 |
| Spark plugs Make | Champion |
| Spark plug Type | RC8YC4 |
| Electrode gap mm | 1,1 |
| Spark plugs Make | NGK |
| Spark plug Type | BKR5E-11 |
| Electrode gap mm | 1,1 |
Tuning and emissions
| Ignition timing - basic BTDC °Engine/rpm | 10±1/700 Not adjustable |
|---|---|
| Ignition advance checks °Engine/rpm | ECM Controlled |
| Idle speed rpm | 650-750 Not adjustable |
| Oil temperature °C | 80 |
| CO level at idle speed - tailpipe Vol. % CO | 0,5 Max Not adjustable |
| HC level at idle speed ppm | 100 |
| CO2 level at idle speed Vol. % CO2 | 14,5-16 |
| O2 level at idle speed Vol. % O2 | 0,1-0,5 |
| Increased idle speed for CO test rpm | 2500-2800 |
| CO content at increased idle speed Vol. % | 0,3 |
| Lambda at increased idle λ | 0,97-1,03 |
Starting and charging
| Battery V/RC(Ah) | 12 |
|---|---|
| Maximum cranking amps A | No load /90 |
| Alternator output A/V/rpm | 77/14/2000 |
Service checks and adjustments
| Compression pressure bar | 11,0-14,0 |
|---|---|
| Oil pressure bar/rpm | 4-5/3000 |
| Radiator cap bar | 0,95-1,25 |
| Thermostat opens °C | 80-84 |
| Drive belt tension - alternator/PAS/AC mm | 10/11 |
| Drive belt tension - AC mm | 11 |
Fuel system
| Fuel pump delivery pressure bar | 5-6,5 |
|---|---|
| System pressure bar | 2,1-2,6 |
| Regulated pressure with vacuum bar | 2,7-3,2 |
| Engine coolant temperature (ECT) sensor Ohm/°C | 290-400/80 |
| Injector Ohm | 14,2-14,8 |
| Lambda sensor (Oxygen) heater Ohm | 6,0 |
Tightening torques
Cylinder head bolt torque
The cylinder head bolt torque for the Mazda Premacy 1.8 (1999–2005) is 17-22 Nm.
| Cylinder head | |
|---|---|
| Maximum bolt length | 105,5 mm |
| Tighten | 17-22 Nm |
| Tighten | 85°-95° |
| Tighten | 85°-95° |
| Cylinder head instructions | — |
|---|---|
| Other engine tightening torques | |
| Main bearings Stage 1 | — |
| Main bearings | |
| Big end bearings Stage 1 | — |
| Big end bearings | |
| Oil pump to cylinder block | 19-25 Nm |
| Sump bolts | 19-25 Nm |
| Sump drain bolt | 30-40 Nm |
| Flywheel/driveplate | 97-102 Nm |
| Clutch pressure plate | 18-26 Nm |
| Crankshaft pulley/damper centre bolt | 157-166 Nm |
| Camshaft sprocket/gear | 50-60 Nm |
| Camshaft carrier/cap | 11-14 Nm |
| Camshaft/rocker cover | 7-10 Nm |
| Inlet manifold to cylinder head | 19-25 Nm |
| Exhaust manifold to cylinder head | 16-22 Nm |
| Exhaust downpipe to manifold | 38-51 Nm |
| Water pump | 19-25 Nm |
| Spark plugs | 15-22 Nm |
| Fuel rail | 19-25 Nm |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 8-11 Nm |
| Camshaft position (CMP) sensor | 8-11 Nm |
| Lambda sensor (Oxygen) | 30-49 Nm |
| Knock sensor (KS) | 20-34 Nm |
| Engine oil pressure switch | 12-17 Nm |
| Chassis tightening torques | |
| Front hub | 236-318 Nm |
| Rear hub | 177-235 Nm |
| Steering rack/box mounting | 75-104 Nm |
| Steering track rod end | 32-44 Nm |
| Brake caliper to carrier Front | 45-49 Nm |
| Brake caliper/carrier to hub Front | 79-102 Nm |
| Brake caliper to carrier Rear | 22-31 Nm |
| Brake caliper/carrier to hub Rear | 46-66 Nm |
| Back plate to hub Rear | 19-25 Nm |
| ABS sensor Rear | 19-25 Nm |
| Road wheels | 89-117 Nm |
Air conditioning
| No. of AC service connectors | 2 |
|---|---|
| Air conditioning restrictor type | Expansion valve |
| Compressor clutch/magnetic coupling | Yes |
| Compressor variable displacement solenoid | No |
| Air conditioning refrigerant Type | R134a |
| Air conditioning refrigerant quantity grams | 650 |
| Air conditioning oil group | PAG |
| Air conditioning oil Type | Atmos GU 10 |
| Air conditioning oil quantity cm³ | 150 |
| Air conditioning oil viscosity ISO | 46 |
Frequently asked questions
What is the firing order of the Mazda Premacy 1.8?
The firing order for the Mazda Premacy 1.8 (1999–2005) is 1-3-4-2.
What spark plugs does the Mazda Premacy 1.8 use?
The Mazda Premacy 1.8 (1999–2005) uses NGK BKR5E-11 spark plugs with a 1,1 mm electrode gap.
How much oil does the Mazda Premacy 1.8 take?
The Mazda Premacy 1.8 (1999–2005) takes 3.5 litres of engine oil with the filter. See the reference table for the complete engine oil entries and their conditions.
What are the valve clearances for the Mazda Premacy 1.8?
Valve clearances for the Mazda Premacy 1.8 (1999–2005) are 0,23-0,30 mm inlet and 0,23-0,30 mm exhaust, measured cold.
What is the cylinder head torque for the Mazda Premacy 1.8?
The cylinder head bolt torque for the Mazda Premacy 1.8 (1999–2005) is 17-22 Nm.
What is the minimum brake disc thickness for the Mazda Premacy 1.8?
Brake discs on the Mazda Premacy 1.8 (1999–2005) are replaced at a minimum thickness of 22 mm (ventilated) front and 8 mm rear.