Engine & identification
Vehicle identification
| No. of cylinders Type | 4/DOHC |
|---|---|
| Capacity (Fiscal) cc | 2488 |
| Compression ratio :1 | 13,0 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 95 |
| Ignition system Description | Map-DI |
| Trigger location | Cam/Crankshaft |
| Fuel system Make | Mazda |
| Fuel system Description | MFI-s(d) |
| Air metering Type | Mass/MAP |
| Combined ignition and fuel ECM | Yes |
| Diagnostic socket | Yes |
Ignition system
| Ignition coil supply voltage + with ballast V | 12,0 |
|---|
Firing order
The firing order for the Mazda CX-5 2.5 (2015–2017) is 1-3-4-2.
| Firing order | 1-3-4-2 |
|---|
Valve clearances
Valve clearances on the Mazda CX-5 2.5 (2015–2017) are hydraulic — they self-adjust, so no manual clearance figure applies.
| Valve clearance - INLET mm | Hydraulic |
|---|---|
| Valve clearance - EXHAUST mm | Hydraulic |
Engine oil & fluids
Engine oil
The Mazda CX-5 2.5 (2015–2017) takes 4.5 litres of engine oil with the filter.
See the reference table for the complete engine oil entries and their conditions.
Transfer box
The transfer box has a listed capacity of 0.45 litres.
Coolant
The listed total cooling-system capacity is 7.5 litres.
See the reference table for the complete coolant entries and their conditions.
Grades, filling conditions and capacities
| Preferred engine oil | |
|---|---|
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 0W-20, 5W-30 |
| Engine oil options | |
| Ambient temperature range | -35°C➞ |
| Engine oil grade SAE | 0W-20 |
| Engine oil classification API/ACEA | SL/A3, A5 |
| Ambient temperature range | -30°C➞ |
| Engine oil grade SAE | 5W-30 |
| Engine oil classification API/ACEA | SL/A3, A5 |
| Engine with filter(s) litres | 4.5 |
| Other lubricants and capacities | |
| Automatic transmission fluid Type | ATF FZ |
| Automatic transmission (drain & refill) litres | 3.3 |
| View more information | — |
| Checking level | |
| Automatic transmission (dry fill) litres | 7.8-8.0 |
| Automatic transmission fluid (ATF) (dry fill) | |
| Differential oil grade - rear SAE | — |
| Differential oil - rear | |
| Differential rear litres | 0.35 |
| Transfer box oil grade SAE | — |
| Transfer box oil | |
| Transfer box litres | 0.45 |
| Coolant Type | FL22 |
| Coolant Colour | Green |
| Cooling system - total capacity litres | 7.5 |
| Brake fluid Type | DOT 3/4 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Mazda CX-5 2.5 (2015–2017) are replaced at a minimum thickness of 26 mm (ventilated) or 26,8 mm (ventilated) front and 8 mm or 8,8 mm rear.
| Minimum disc thickness for replacement - ventilated Front | 26 mm |
|---|---|
| Minimum disc thickness after refacing - ventilated Front | 26,8 mm |
| Minimum disc thickness for replacement Rear | 8 mm |
| Minimum disc thickness after refacing Rear | 8,8 mm |
Brake disc and drum dimensions
| Disc thickness variation Rear | 0,1 mm |
|---|---|
| Disc runout Front | 0,04 mm |
| Disc runout Rear | 0,05 mm |
| Minimum pad thickness Front | 2 mm |
| Minimum pad thickness Rear | 2 mm |
| Parking brake travel No. of notches | 2-3 |
Service & electrical
Tuning and emissions
| Tuning conditions | — |
|---|---|
| Idle speed and ignition timing | |
| Ignition timing - basic BTDC °Engine/rpm | 12/600±50 Not adjustable |
| Ignition advance checks °Engine/rpm | ECM Controlled |
| Idle speed rpm | 600±50 Not adjustable |
Service checks and adjustments
| Oil pressure bar/rpm | 1,1-1,8/1500 |
|---|---|
| Oil pressure | |
| Radiator cap bar | 0,93-1,22 |
| Thermostat opens °C | 87-90 |
Fuel system
| Fuel main pump delivery pressure bar | 4,1-4,9 |
|---|---|
| Engine coolant temperature (ECT) sensor Ohm/°C | 318/80 |
| Injector Ohm | 1,6-2,5 |
| Lambda sensor (Oxygen) heater Ohm | 2,0-50,0 |
Spark plugs
| Spark plugs Original equipment | Mazda |
|---|---|
| Spark plug Type | PE5R/S-18-110 |
| Electrode gap mm | 1,05-1,40 |
Tightening torques
| Cylinder head instructions | — |
|---|---|
| View more information | — |
| Cylinder head | |
| Tighten | 15±2 Nm |
| Tighten | 45±2 Nm |
| Tighten | 90°±5° |
| Tighten | 90°±5° |
| Other engine tightening torques | |
| Main bearings Stage 1 | — |
| View more information | — |
| Balancer shaft | |
| Big end bearings Stage 1 | 29±3 Nm |
| View more information | — |
| Big end bearings | |
| Big end bearings Stage 2 | 90°±10° |
| Oil pump to cylinder block | — |
| Oil pump to cylinder block | |
| Sump bolts | — |
| View more information | — |
| Assemble components within 10 minutes. Ensure sealant does not enter bolt holes. | |
| Sump drain bolt | 36±5 Nm |
| Flywheel/driveplate | -/1)50±4 Nm 2)80±4 Nm 3)112±4 Nm |
| Crankshaft pulley/damper centre bolt | 100±10 Nm +60°±5° |
| Camshaft sprocket/gear | — |
| Camshaft sprocket/gear | |
| Camshaft carrier/cap | 1)5±1 Nm 2)10±1 Nm |
| View more information | — |
| Camshaft carrier/cap | |
| Camshaft/rocker cover | 1)7 Nm 2)7 Nm |
| View more information | — |
| Assemble components within 10 minutes. Excess sealant can cause engine damage. | |
| Inlet manifold to cylinder head | 18±2 Nm |
| Exhaust manifold to cylinder head | — |
| View more information | — |
| Exhaust manifold to cylinder head | |
| Exhaust downpipe to manifold | 45±6 Nm |
| Water pump | 23±3 Nm |
| Spark plugs | 18±2 Nm |
| Fuel rail | 23±3 Nm |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 9±1 Nm |
| Camshaft position (CMP) sensor | 9±1 Nm |
| Engine coolant temperature (ECT) sensor | 20±3 Nm |
| Lambda sensor (Oxygen) | 42±12 Nm |
| Knock sensor (KS) | 20±3 Nm |
| Engine oil pressure switch | 15±2 Nm |
| Do NOT apply sealant to the end (1,7-2,7 mm) tip of switch. Assemble component immediately. | |
| Oil filter | 14±2 Nm |
| Chassis tightening torques | |
| Front hub | — |
| Front/rear hub | |
| Front hub - wheel bearing housing bolts | — |
| Front hub - wheel bearing housing bolts | |
| Rear hub | — |
| Front/rear hub | |
| Rear hub - wheel bearing housing bolts | — |
| Rear hub - wheel bearing housing bolts | |
| Steering wheel | 48±6 Nm |
| Steering rack/box mounting | 90±14 Nm |
| Steering track rod end | 53±6 Nm |
| Steering track rod end | |
| Brake caliper to carrier Front | 35±4 Nm |
| Brake caliper/carrier to hub Front | 101±9 Nm |
| Brake caliper to carrier Rear | 27±4 Nm |
| Brake caliper/carrier to hub Rear | M10=59±7 Nm M12=94±8 Nm |
| ABS sensor Front | 9±1 Nm |
| ABS sensor Rear | 9±1 Nm |
| Road wheels | 128±19 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/R1234yf |
| Do not mix R134a with R1234yf. | |
| Air conditioning refrigerant quantity grams | R134a=490±25 R1234yf=500±25 |
| Air conditioning oil group | PAG |
| Air conditioning oil Type | FD46XG |
| Air conditioning oil quantity cm³ | 100 |
| Air conditioning oil viscosity ISO | 46 |
Frequently asked questions
What is the firing order of the Mazda CX-5 2.5?
The firing order for the Mazda CX-5 2.5 (2015–2017) is 1-3-4-2.
How much oil does the Mazda CX-5 2.5 take?
The Mazda CX-5 2.5 (2015–2017) takes 4.5 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 CX-5 2.5?
Valve clearances on the Mazda CX-5 2.5 (2015–2017) are hydraulic — they self-adjust, so no manual clearance figure applies.
What is the minimum brake disc thickness for the Mazda CX-5 2.5?
Brake discs on the Mazda CX-5 2.5 (2015–2017) are replaced at a minimum thickness of 26 mm (ventilated) or 26,8 mm (ventilated) front and 8 mm or 8,8 mm rear.