Workshop data for the 2.3-litre petrol (engine code L3 Turbo). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.
The firing order for the Mazda 3 2.3 MPS (2006–2009) is 1-3-4-2.
Firing order
1-3-4-2
Valve clearances
Valve clearances for the Mazda 3 2.3 MPS (2006–2009) are 0,22-0,28 mm inlet and 0,27-0,33 mm exhaust, measured cold.
Valve clearance - INLETmm
0,22-0,28 cold
Valve clearance - EXHAUSTmm
0,27-0,33 cold
02
Engine oil & fluids
Engine oil
The Mazda 3 2.3 MPS (2006–2009) takes 5.7 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 2.5 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
Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range
All temperatures
Engine oil grade SAE
5W-30
Engine oil classification API/ACEA
SL/A3, A5
Engine with filter(s) litres
5.7
Other lubricants and capacities
Manual transmission oil grade SAE
75W-90
Manual transmission oil classification
GL-4/5
Manual transmission litres
2.5
Cooling system - total capacity litres
7.5
Brake fluid Type
DOT 3/4
Power steering fluid Type
ATF M-III
Power steering fluid litres
1.1
03
Brakes & wear limits
Brake disc thickness
Brake discs on the Mazda 3 2.3 MPS (2006–2009) are replaced at a minimum thickness of 23 mm (ventilated) front and 9 mm rear.
Minimum disc thickness for replacement - ventilatedFront
23 mm
Minimum disc thickness for replacementRear
9 mm
Brake disc and drum dimensions
Disc thickness variationFront
0,015 mm
Disc thickness variationRear
0,015 mm
Disc runoutFront
0,05 mm
Disc runoutRear
0,05 mm
Minimum pad thicknessFront
2 mm
Minimum pad thicknessRear
2 mm
Parking brake travelNo. of notches
3-7
04
Service & electrical
Battery
The Mazda 3 2.3 MPS (2006–2009) uses a 12 V, 55 Ah battery.
BatteryV/RC(Ah)
12 (55)
Tuning and emissions
Tuning conditions
—
Idle speed and ignition timing
Ignition timing - basic BTDC°Engine/rpm
10/700 Not adjustable
Ignition advance checks°Engine/rpm
ECM Controlled
Idle speedrpm
700±50 Not adjustable
Idle speed - alternativerpm
AC=750±50 Not adjustable
Oil temperature°C
80
CO level at idle speed - tailpipeVol. % CO
0,2 Max Not adjustable
HC level at idle speedppm
100
CO2 level at idle speedVol. % CO2
14,5-16
O2 level at idle speedVol. % O2
0,1-0,5
Increased idle speed for CO testrpm
2500-3000
CO content at increased idle speedVol. %
0,2
Lambda at increased idleλ
0,97-1,03
Starting and charging
Alternator outputA/V/rpm
77/14/2500
Service checks and adjustments
Compression pressurebar
8,9-12,8
Oil pressurebar/rpm
3,0-5,5/3000
Radiator capbar
1,35-1,55
Thermostat opens°C
80-84
Fuel system
System pressurebar
4,1-4,9
Engine coolant temperature (ECT) sensorOhm/°C
3650-4020/80
InjectorOhm
1,0-1,2
Spark plugs
Spark plugsOriginal equipment
Mazda
Spark plugType
L3K9 18 110A
Electrode gapmm
0,7-0,8
05
Tightening torques
Cylinder head instructions
—
Cylinder head
Maximum bolt length
146 mm
Tighten
7±4 Nm
Tighten
15±2 Nm
Tighten
45±2 Nm
Tighten
90°±2°
Tighten
90°±2°
Other engine tightening torques
Main bearingsRenew bolts/nuts
No
Main bearingsStage 1
—
Main bearings
Big end bearingsRenew bolts/nuts
—
View more information
—
Big end bearings
Big end bearingsStage 1
29±3 Nm
Big end bearingsStage 2
90°±10°
Oil pump to cylinder block
1)10±2 Nm 2)20±3 Nm
Sump bolts
20±3 Nm
Sump drain bolt
36±5 Nm
Flywheel/driveplate
—
Flywheel
Clutch pressure plate
29±4 Nm
Crankshaft pulley/damper centre bolt
100±4 Nm+90°±3°
Bolts/nuts
Camshaft sprocket/gear
72±3 Nm
Camshaft carrier/cap
1)7±2 Nm 2)16±1 Nm
Camshaft/rocker cover
9±1 Nm
Inlet manifold to cylinder head
20±3 Nm
Exhaust manifold to cylinder head
54±10 Nm
Exhaust downpipe to manifold
45±6 Nm
Water pump
10±2 Nm
Spark plugs
12±2 Nm
Fuel rail
25±5 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor
7±1 Nm
Camshaft position (CMP) sensor
7±1 Nm
Engine coolant temperature (ECT) sensor
12±2 Nm
Lambda sensor (Oxygen)
39±10 Nm
Knock sensor (KS)
20±4 Nm
Engine oil pressure switch
15±3 Nm
Oil filter
—
Chassis tightening torques
Front hub
255±19 Nm
Bolts/nuts
Rear hub - wheel bearing housing bolts
58±8 Nm
Steering wheel
48±7 Nm
Steering rack/box mounting
90±15 Nm
Steering track rod end
44±6 Nm
Brake caliper to carrierFront
28±2 Nm
Brake caliper/carrier to hubFront
91±11 Nm
Brake caliper to carrierRear
28±2 Nm
Brake caliper/carrier to hubRear
68±8 Nm
ABS sensorFront
5±1 Nm
ABS sensorRear
5±1 Nm
Road wheels
103±15 Nm
06
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 refrigerantType
R134a
Air conditioning refrigerant quantitygrams
500±25
Air conditioning oil group
PAG
Air conditioning oilType
Atmos GU 10
Air conditioning oil quantitycm³
155
Air conditioning oil viscosityISO
46
Frequently asked questions
What is the firing order of the Mazda 3 2.3 MPS?
The firing order for the Mazda 3 2.3 MPS (2006–2009) is 1-3-4-2.
How much oil does the Mazda 3 2.3 MPS take?
The Mazda 3 2.3 MPS (2006–2009) takes 5.7 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 2.3 MPS?
Valve clearances for the Mazda 3 2.3 MPS (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 2.3 MPS?
Brake discs on the Mazda 3 2.3 MPS (2006–2009) are replaced at a minimum thickness of 23 mm (ventilated) front and 9 mm rear.
What battery does the Mazda 3 2.3 MPS use?
The Mazda 3 2.3 MPS (2006–2009) uses a 12 V, 55 Ah battery.