Mazda2009–2012Technical specifications

CX-7 2.5: Technical specifications

Workshop data for the 2.5-litre petrol (engine code L5). 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 (L5) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make
Mazda
Model
CX-7
Years
2009–2012
Fuel
Petrol
Engine code
L5

Performance & efficiency

Power
120 kW (163 hp)
Engine size
2,488 cc
Cylinders
4 · DOHC
Compression ratio
9.7:1
Fuel system
Mazda

Fluids & capacities

Engine oil (with the filter)
5.0 litres
All 141 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type4/DOHC
Capacity (Fiscal) cc2488
Compression ratio :19,7
Suitable for unleaded petrolYes
Minimum octane rating RON91
Ignition system MakeMazda
Ignition system DescriptionMap-DI
Trigger locationCam/Crankshaft
Fuel system MakeMazda
Fuel system DescriptionMFI-s
Air metering TypeMass/MAP
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 CX-7 2.5 (2009–2012) is 1-3-4-2.

Firing order1-3-4-2

Valve clearances

Valve clearances for the Mazda CX-7 2.5 (2009–2012) 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 CX-7 2.5 (2009–2012) takes 5.0 litres of engine oil with the filter.

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

Transfer box

See the reference table for the complete transfer box entries and their conditions.

Coolant

The listed total cooling-system capacity is 9.0 litres.

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 ➞40°C
Engine oil grade SAE 5W-40
Engine oil classification API/ACEA SL/A3, A5
Ambient temperature range -25°C➞40°C
Engine oil grade SAE 10W-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
Ambient temperature range -25°C➞
Engine oil grade SAE 10W-50
Engine oil classification API/ACEA SL/A3, A5
Ambient temperature range -15°C➞45°C
Engine oil grade SAE 15W-40, 20W-40
Engine oil classification API/ACEA SL/A3, A5
Ambient temperature range -15°C➞
Engine oil grade SAE 15W-50, 20W-50
Engine oil classification API/ACEA SL/A3, A5
Engine with filter(s) litres 5.0
Other lubricants and capacities
Automatic transmission fluid Type ATF M-V
Automatic transmission (drain & refill) litres 3.0
View more information —
Automatic transmission fluid - drain and refill
Automatic transmission (dry fill) litres 8.1
View more information —
Differential oil grade - rear SAE 80W-90
Differential oil classification - rear GL-5
Differential rear litres 1.0
Transfer box oil grade SAE 80W-90
Transfer box oil classification GL-5
Transfer box litres 1.2
Coolant Type Ethylene glycol
Cooling system - total capacity litres 9.0
Brake fluid Type DOT 3/4
Power steering fluid Type Dexron II
Power steering fluid litres 1.0

Brakes & wear limits

Brake disc thickness

Brake discs on the Mazda CX-7 2.5 (2009–2012) are replaced at a minimum thickness of 26 mm (ventilated) front and 16 mm rear.

Minimum disc thickness for replacement - ventilated Front26 mm
Minimum disc thickness for replacement Rear16 mm
Maximum drum diameter for replacement Rear191 mm

Brake disc and drum dimensions

Disc thickness variation Front0,01 mm
Disc thickness variation Rear0,01 mm
Disc runout Front0,05 mm
Disc runout Rear0,10 mm
Minimum pad thickness Front2 mm
Minimum pad thickness Rear2 mm
Minimum shoe thickness Rear1 mm
Parking brake travel No. of notches1-3

Service & electrical

Battery

The Mazda CX-7 2.5 (2009–2012) uses a 12 V, 55 Ah battery.

Battery V/RC(Ah)12 (55)

Tuning and emissions

Ignition timing - basic BTDC °Engine/rpm12/650 Not adjustable
Ignition advance checks °Engine/rpmECM Controlled
Idle speed rpm650±50 Not adjustable
Idle speed - alternative rpmAC=700±50 Not adjustable
CO level at idle speed - tailpipe Vol. % CO0,2 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
CO content at increased idle speed Vol. %0,2
Lambda at increased idle λ0,97-1,03

Starting and charging

Maximum cranking amps A90
Alternator output A/V/rpm77/13,5/2500

Service checks and adjustments

Compression pressure bar9,2-13,2
Oil pressure bar/rpm3,9-6,4/3000
Radiator cap bar0,93-1,22
Thermostat opens °C80-84

Fuel system

System pressure bar3,7-4,5
Engine coolant temperature (ECT) sensor Ohm/°C3650-4020/80
Injector Ohm11,4-12,6

Spark plugs

Spark plugs Original equipmentMazda
Spark plug TypeLFG1 18 110
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/nuts—
View more information—
Big end bearings
Big end bearings Stage 129±3 Nm
Big end bearings Stage 290°±10°
Oil pump to cylinder block1)10±2 Nm 2)20±3 Nm
Sump bolts—
Sump bolts
Sump drain bolt35±5 Nm
Flywheel/driveplate—
Flywheel/driveplate
Clutch pressure plate29±4 Nm
Crankshaft pulley/damper centre bolt100±4 Nm+90°±3°
Bolts/nuts
Camshaft sprocket/gear72±3 Nm
Camshaft carrier/cap1)7±2 Nm 2)16±2 Nm
Camshaft/rocker cover9±1 Nm
Inlet manifold to cylinder head18±2 Nm
Exhaust manifold to cylinder head45±2 Nm
Water pump10±2 Nm
Spark plugs12±2 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±20 Nm
Bolts/nuts
Rear hub255±20 Nm
Rear hub - wheel bearing housing bolts109±11 Nm
Steering wheel44±5 Nm
Steering rack/box mounting90±15 Nm
Steering track rod end53±6 Nm
Brake disc to hub Front12±2 Nm
Brake caliper to carrier Front88±5 Nm
Brake caliper/carrier to hub Front117±10 Nm
Brake disc to hub Rear12±2 Nm
Brake caliper to carrier Rear26±5 Nm
Brake caliper/carrier to hub Rear90±11 Nm
Back plate to hub Rear109±11 Nm
ABS sensor Front11 Nm
ABS sensor Rear11 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
Refrigerant quantity
Air conditioning oil groupPAG
Air conditioning oil TypeFD46XG
Air conditioning oil quantity cm³120
Oil quantity
Air conditioning oil viscosity ISO46

Frequently asked questions

What is the firing order of the Mazda CX-7 2.5?

The firing order for the Mazda CX-7 2.5 (2009–2012) is 1-3-4-2.

How much oil does the Mazda CX-7 2.5 take?

The Mazda CX-7 2.5 (2009–2012) takes 5.0 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-7 2.5?

Valve clearances for the Mazda CX-7 2.5 (2009–2012) 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 CX-7 2.5?

Brake discs on the Mazda CX-7 2.5 (2009–2012) are replaced at a minimum thickness of 26 mm (ventilated) front and 16 mm rear.

What battery does the Mazda CX-7 2.5 use?

The Mazda CX-7 2.5 (2009–2012) uses a 12 V, 55 Ah battery.

More on the CX-7