Mazda2006–2009Technical specifications

3 2.0: Technical specifications

Workshop data for the 2-litre petrol (engine code LF). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Common faults & fixes

Summary

Match the engine code (LF) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make
Mazda
Model
3
Years
2006–2009
Fuel
Petrol
Engine code
LF

Performance & efficiency

Power
110 kW (150 hp)
Engine size
1,999 cc
Cylinders
4 · DOHC
Compression ratio
10.0:1
Fuel system
Mazda

Fluids & capacities

Engine oil (with the filter)
4.3 litres
All 120 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type4/DOHC
Capacity (Fiscal) cc1999
Compression ratio :110,0
Suitable for unleaded petrolYes
Minimum octane rating RON95
Ignition system MakeMazda
Ignition system DescriptionMap-DI
Trigger locationCam/Crankshaft
Fuel system MakeMazda
Fuel system DescriptionMFI-s
Air metering TypeMass
Combined ignition and fuel ECMYes
Diagnostic socketYes

Ignition system

Ignition coil supply voltage + with ballast V12,0

Firing order

The firing order for the Mazda 3 2.0 (2006–2009) is 1-3-4-2.

Firing order1-3-4-2

Valve clearances

Valve clearances for the Mazda 3 2.0 (2006–2009) are 0,22-0,28 mm inlet and 0,27-0,33 mm exhaust, measured cold.

Valve clearance - INLET mm0,22-0,28 cold
Valve clearance - EXHAUST mm0,27-0,33 cold

Engine oil & fluids

Engine oil

The Mazda 3 2.0 (2006–2009) takes 4.3 litres of engine oil with the filter.

See the reference table for the complete engine oil entries and their conditions.

Manual gearbox

See the reference table for the complete manual gearbox entries and their conditions.

Coolant

See the reference table for the complete coolant entries and their conditions.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range ➞40°C
Engine oil grade SAE 5W-20, 5W-30
Engine oil classification API/ACEA SL/A3, A5
Ambient temperature range -25°C➞45°C
Engine oil grade SAE 10W-40
Engine oil classification API/ACEA SL/A3, A5
Engine with filter(s) litres 4.3
Other lubricants and capacities
Manual transmission oil grade SAE —
Australia
Manual transmission litres 2,9 6sp=3,0
Automatic transmission fluid Type ATF M-V
Automatic transmission (drain & refill) litres 3.0
Automatic transmission (dry fill) litres 7.2
Cooling system - total capacity litres 7.5
Brake fluid Type DOT 3/4
Power steering fluid Type ATF M-III
Power steering fluid litres 0.8

Brakes & wear limits

Brake disc thickness

Brake discs on the Mazda 3 2.0 (2006–2009) are replaced at a minimum thickness of 23 mm (ventilated) front and 9 mm rear.

Minimum disc thickness for replacement - ventilated Front23 mm
Minimum disc thickness for replacement Rear9 mm

Brake disc and drum dimensions

Disc thickness variation Front0,015 mm
Disc thickness variation Rear0,015 mm
Disc runout Front0,05 mm
Disc runout Rear0,05 mm
Minimum pad thickness Front2 mm
Minimum pad thickness Rear2 mm
Parking brake travel No. of notches3-7

Service & electrical

Battery

The Mazda 3 2.0 (2006–2009) uses a 12 V, 52 Ah battery.

Battery V/RC(Ah)12 (52)

Tuning and emissions

Tuning conditions—
Idle speed and ignition timing
Ignition timing - basic BTDC °Engine/rpm8/650 Not adjustable
Ignition advance checks °Engine/rpmECM Controlled
Idle speed rpm650±50 Not adjustable
Idle speed - alternative rpmAT=700±50 Not adjustable
Oil temperature °C80
CO level at idle speed - tailpipe Vol. % CO0,3 Max Not adjustable
HC level at idle speed ppm100
CO2 level at idle speed Vol. % CO214,5-16
O2 level at idle speed Vol. % O20,1-0,5
Increased idle speed for CO test rpm2500-3000
CO content at increased idle speed Vol. %0,2
Lambda at increased idle λ0,97-1,03

Starting and charging

Alternator output A/V/rpm63/14/2500

Service checks and adjustments

Compression pressure bar9,8-14,0
Oil pressure bar/rpm2,3-5,2/3000
Radiator cap bar1,35-1,55
Thermostat opens °C80-84

Fuel system

System pressure bar3,5-4,1
Engine coolant temperature (ECT) sensor Ohm/°C3650-4020/80
Crankshaft position (CKP) sensor/engine speed (RPM) sensor Ohm400-550
Injector Ohm11,4-12,6

Spark plugs

Spark plugs Original equipmentNGK
Spark plug TypeILTR5A-13G
Electrode gap mm1,25-1,35
Spark plugs MakeNGK
Spark plug TypeILTR5A-13G
Electrode gap mm1,25-1,35

Tightening torques

Cylinder head instructions—
Cylinder head
Maximum bolt length146,5 mm
Tighten7±4 Nm
Tighten15±2 Nm
Tighten45±2 Nm
Tighten90°±2°
Tighten90°±2°
Other engine tightening torques
Main bearings Stage 1—
View more information—
Main bearings
Big end bearings Renew bolts/nutsYes
Big end bearings Stage 129±3 Nm
Big end bearings
Big end bearings Stage 290°±10°
Oil pump to cylinder block1)10±2 Nm 2)20±3 Nm
Sump bolts20±3 Nm
Sump drain bolt36±5 Nm
Flywheel/driveplate112±4 Nm
Bolts/nuts
Clutch pressure plate29±4 Nm
Crankshaft pulley/damper centre bolt100±4 Nm+90°±3°
Camshaft sprocket/gear—
Camshaft sprocket/gear
Camshaft carrier/cap1)7±2 Nm 2)16±1 Nm
Camshaft/rocker cover9±1 Nm
Inlet manifold to cylinder head18±2 Nm
Exhaust manifold to cylinder head54±10 Nm
Bolts/nuts
Exhaust downpipe to manifold45±6 Nm
Water pump10±2 Nm
Spark plugs12±2 Nm
Fuel rail23±3 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor7±1 Nm
Camshaft position (CMP) sensor7±1 Nm
Engine coolant temperature (ECT) sensor12±2 Nm
Lambda sensor (Oxygen)39±10 Nm
Knock sensor (KS)20±4 Nm
Engine oil pressure switch15±3 Nm
Oil filter—
Chassis tightening torques
Front hub255±19 Nm
Bolts/nuts
Rear hub - wheel bearing housing bolts58±8 Nm
Steering wheel48±7 Nm
Steering rack/box mounting90±15 Nm
Steering track rod end44±6 Nm
Brake caliper to carrier Front28±2 Nm
Brake caliper/carrier to hub Front91±11 Nm
Brake caliper to carrier Rear28±2 Nm
Brake caliper/carrier to hub Rear68±8 Nm
ABS sensor Front5±1 Nm
ABS sensor Rear5±1 Nm
Road wheels103±15 Nm

Air conditioning

No. of AC service connectors2
Air conditioning restrictor typeExpansion valve
Compressor clutch/magnetic couplingYes
Compressor variable displacement solenoidNo
Air conditioning refrigerant TypeR134a
Air conditioning refrigerant quantity grams500±25
Air conditioning oil groupPAG
Air conditioning oil TypeAtmos GU 10
Air conditioning oil quantity cm³155
Air conditioning oil viscosity ISO46

Frequently asked questions

What is the firing order of the Mazda 3 2.0?

The firing order for the Mazda 3 2.0 (2006–2009) is 1-3-4-2.

How much oil does the Mazda 3 2.0 take?

The Mazda 3 2.0 (2006–2009) takes 4.3 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 3 2.0?

Valve clearances for the Mazda 3 2.0 (2006–2009) are 0,22-0,28 mm inlet and 0,27-0,33 mm exhaust, measured cold.

What is the minimum brake disc thickness for the Mazda 3 2.0?

Brake discs on the Mazda 3 2.0 (2006–2009) are replaced at a minimum thickness of 23 mm (ventilated) front and 9 mm rear.

What battery does the Mazda 3 2.0 use?

The Mazda 3 2.0 (2006–2009) uses a 12 V, 52 Ah battery.

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