Workshop data for the 1.8-litre petrol (engine code L8). 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 6 1.8 (2007–2013) is 1-3-4-2.
Firing order
1-3-4-2
Valve clearances
Valve clearances for the Mazda 6 1.8 (2007–2013) 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 6 1.8 (2007–2013) 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
—
Manual transmission oil grade
Manual transmission litres
2.8
Coolant Type
FL22
Cooling system - total capacity litres
7.5
Brake fluid Type
DOT 3/4
03
Brakes & wear limits
Brake disc thickness
Brake discs on the Mazda 6 1.8 (2007–2013) are replaced at a minimum thickness of 23 mm (ventilated) or 23,8 mm (ventilated) front and 8 mm or 8,8 mm rear.
Minimum disc thickness for replacement - ventilatedFront
23 mm
Minimum disc thickness after refacing - ventilatedFront
23,8 mm
Minimum disc thickness for replacementRear
8 mm
Minimum disc thickness after refacingRear
8,8 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
0,14 mm
Minimum pad thicknessFront
2 mm
Minimum pad thicknessRear
2 mm
Parking brake travelNo. of notches
1-3
04
Service & electrical
Tuning and emissions
Ignition timing - basic BTDC°Engine/rpm
8/650 Not adjustable
Ignition advance checks°Engine/rpm
ECM Controlled
Idle speedrpm
650±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
BatteryV/RC(Ah)
12
Alternator outputA/V/rpm
70/12/2500
Service checks and adjustments
Compression pressurebar
12,2-17,5
Oil pressurebar/rpm
2,3-5,2/3000
Radiator capbar
1,10-1,40
Thermostat opens°C
80-84
Fuel system
System pressurebar
3,7-4,5
Engine coolant temperature (ECT) sensorOhm/°C
3650-4020/80
InjectorOhm
11,4-12,6
Lambda sensor (Oxygen) heaterOhm
—
Spark plugs
Spark plugsOriginal equipment
NGK
Spark plugType
ITR5F-13
Electrode gapmm
1,25-1,35
Spark plugsMake
NGK
Spark plugType
ITR5F-13
Electrode gapmm
1,25-1,35
05
Tightening torques
Cylinder head instructions
—
Cylinder head
Maximum bolt length
146,5 mm
Tighten
7±4 Nm
Tighten
15±2 Nm
Tighten
45±2 Nm
Tighten
90°±2°
Tighten
90°±2°
Other engine tightening torques
Main bearingsStage 1
—
View more information
—
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
—
Sump bolts
Sump drain bolt
35±5 Nm
Flywheel/driveplate
—
Flywheel/driveplate
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±2 Nm
Camshaft/rocker cover
9±1 Nm
Inlet manifold to cylinder head
18±2 Nm
Exhaust manifold to cylinder head
45±2 Nm
Exhaust downpipe to manifold
45±6 Nm
Water pump
10±2 Nm
Spark plugs
12±2 Nm
Fuel rail
23±3 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
—
Rear hub
Steering wheel
48±7 Nm
Bolts/nuts
Steering rack/box mounting
90±15 Nm
Brake disc to hubFront
12±2 Nm
Brake caliper to carrierFront
27±5 Nm
Brake caliper/carrier to hubFront
92±10 Nm
Brake caliper to carrierRear
43±6 Nm
Brake caliper/carrier to hubRear
59±8 Nm
ABS sensorFront
10±2 Nm
ABS sensorRear
9±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
ZXL 100 PG
Air conditioning oil quantitycm³
120
Air conditioning oil viscosityISO
46
Frequently asked questions
What is the firing order of the Mazda 6 1.8?
The firing order for the Mazda 6 1.8 (2007–2013) is 1-3-4-2.
How much oil does the Mazda 6 1.8 take?
The Mazda 6 1.8 (2007–2013) 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 6 1.8?
Valve clearances for the Mazda 6 1.8 (2007–2013) 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 6 1.8?
Brake discs on the Mazda 6 1.8 (2007–2013) are replaced at a minimum thickness of 23 mm (ventilated) or 23,8 mm (ventilated) front and 8 mm or 8,8 mm rear.