Mazda2009–2013Technical specifications

CX-7 2.2: Technical specifications

Workshop data for the 2.2-litre diesel (engine code MZR-CD HP (R2)). 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 (MZR-CD HP (R2)) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Mazda
Model: CX-7
Years: 2009–2013
Fuel: Diesel
Engine code: MZR-CD HP (R2)

Performance & efficiency

Power: 136 kW (185 hp)
Engine size: 2,184 cc
Cylinders: 4 · DOHC
Compression ratio: 16.3:1
Fuel system: Denso

Fluids & capacities

Engine oil (with the filter): 4.7 litres

All 118 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/DOHC
Capacity cc	2184
Compression ratio :1	16,3
Fuel system Make	Denso

Injection system

Air metering Type	Mass
Pump type	Common rail
Engine coolant temperature (ECT) sensor Ohm/°C	2210-2690/20
Intake air temperature (IAT) sensor Ohm/°C	2210-2690/20

Injection sequence

The injection sequence for the Mazda CX-7 2.2 (2009–2013) is 1-3-4-2.

Injection sequence	1-3-4-2

Valve clearances

Valve clearances for the Mazda CX-7 2.2 (2009–2013) are 0,07-0,17 mm inlet and 0,12-0,22 mm exhaust, measured cold.

Valve clearance - INLET mm	0,07-0,17 cold
Valve clearance - EXHAUST mm	0,12-0,22 cold

Engine oil & fluids

Engine oil

The Mazda CX-7 2.2 (2009–2013) takes 4.7 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 2.6 litres. The specified oil is SAE 75W-80, with classification GL-4.

Transfer box

The transfer box has a listed capacity of 1.2 litres. The specified oil is SAE 80W-90, with classification GL-5.

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
Preferred engine oil
Ambient temperature range	All temperatures
Engine oil grade SAE	5W-30
Engine oil classification JASO	DL-1
Engine oil classification API/ACEA	/C1
Engine oil options
Engine with filter(s) litres	4.7
Other lubricants and capacities
Manual transmission oil grade SAE	75W-80
Manual transmission oil classification	GL-4
Manual transmission litres	2.6
Automatic transmission fluid Type	JWS 3309
Automatic transmission (dry fill) litres	7.0
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	FL22
Coolant Colour	Green
Cooling system - total capacity litres	9.0
Brake fluid Type	DOT 3/4
Power steering fluid Type	ATF M-III/M-V
Power steering fluid litres	1.0
Selective catalytic reduction (SCR) additive Type	AdBlue (AUS 32)
Selective catalytic reduction (SCR) additive litres	15.5

Brakes & wear limits

Brake disc thickness

Brake discs on the Mazda CX-7 2.2 (2009–2013) are replaced at a minimum thickness of 26 mm (ventilated) front and 16 mm or 16,8 mm rear.

Minimum disc thickness for replacement - ventilated Front	26 mm
Minimum disc thickness for replacement Rear	16 mm
Minimum disc thickness after refacing Rear	16,8 mm
Maximum drum diameter for replacement Rear	191 mm

Brake disc and drum dimensions

Disc thickness variation Front	0,01 mm
Disc thickness variation Rear	0,01 mm
Disc runout Front	0,05 mm
Disc runout Rear	0,10 mm
Minimum pad thickness Front	2 mm
Minimum pad thickness Rear	2 mm
Minimum shoe thickness Rear	1 mm
Parking brake travel No. of notches	1-3

Service & electrical

Battery

The Mazda CX-7 2.2 (2009–2013) uses a 12 V, 70 Ah battery.

Battery V/RC(Ah)	12 (70)

Tuning and emissions

Idle speed rpm	750±50
Oil temperature °C	80
Idle speed - for smoke test rpm	700-800
Test mode A/B	B
Probe type 1/2	1
Smoke opacity - EU limit m-1 (%)	1,50 (48)

Starting and charging

Maximum cranking amps A	120
Alternator output A/V/rpm	77/13,5/2500

Service checks and adjustments

Compression pressure bar	27,0-28,0
Oil pressure bar/rpm	3,0/3000
Radiator cap bar	1,10-1,40
Thermostat opens °C	80-84

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Mazda CX-7 2.2 (2009–2013) are tightened in 2 stages: 15 Nm, then a final 29 Nm.

Cylinder head
Maximum bolt length	164,7 mm
Tighten	15 Nm
Tighten	29 Nm
Tighten	98°±7°
Tighten	98°±7°
Tighten	98°±7°

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	43 Nm
Main bearings Stage 2	86±2 Nm
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	20±2 Nm
Big end bearings Stage 2	90°±8°
Sump bolts	9±1 Nm
Sump drain bolt	35±5 Nm
Flywheel/driveplate	156±5 Nm
Clutch pressure plate	29±4 Nm
Crankshaft pulley/damper centre bolt	172±4 Nm
Crankshaft pulley/damper bolts	28±4 Nm
Camshaft sprocket/gear	34±5 Nm
Camshaft carrier/cap	—
View more information	—
Camshaft/rocker cover	9±1 Nm
Inlet manifold to cylinder head	22±3 Nm
Exhaust manifold to cylinder head	24±2 Nm
Exhaust downpipe to manifold	52±8 Nm
Water pump	24±2 Nm
Injector/clamp	9 Nm
Injector pipe unions	38±2 Nm
Glow plugs	18±2 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
Nitrogen oxide (NOx) sensor	50±10 Nm
Engine oil pressure switch	15±2 Nm
Oil filter	22±2 Nm
Chassis tightening torques
Front hub	255±20 Nm
Rear hub	255±20 Nm
Rear hub - wheel bearing housing bolts	109±11 Nm
Steering wheel	44±5 Nm
Steering rack/box mounting	90±15 Nm
Steering track rod end	53±6 Nm
Brake disc to hub Front	12±2 Nm
Brake caliper to carrier Front	88±5 Nm
Brake caliper/carrier to hub Front	117±10 Nm
Brake disc to hub Rear	12±2 Nm
Brake caliper to carrier Rear	26±5 Nm
Brake caliper/carrier to hub Rear	90±11 Nm
ABS sensor Front	10 Nm
ABS sensor Rear	10 Nm
Road wheels	103±15 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
Air conditioning refrigerant quantity grams	500±25
Air conditioning oil group	PAG
Air conditioning oil Type	Atmos GU 10
Air conditioning oil quantity cm³	120
Air conditioning oil viscosity ISO	46

Frequently asked questions

What is the injection sequence of the Mazda CX-7 2.2?

The injection sequence for the Mazda CX-7 2.2 (2009–2013) is 1-3-4-2.

How much oil does the Mazda CX-7 2.2 take?

The Mazda CX-7 2.2 (2009–2013) takes 4.7 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 CX-7 2.2?

Valve clearances for the Mazda CX-7 2.2 (2009–2013) are 0,07-0,17 mm inlet and 0,12-0,22 mm exhaust, measured cold.

What is the cylinder head torque for the Mazda CX-7 2.2?

The cylinder head bolts on the Mazda CX-7 2.2 (2009–2013) are tightened in 2 stages: 15 Nm, then a final 29 Nm.

What is the minimum brake disc thickness for the Mazda CX-7 2.2?

Brake discs on the Mazda CX-7 2.2 (2009–2013) are replaced at a minimum thickness of 26 mm (ventilated) front and 16 mm or 16,8 mm rear.

What battery does the Mazda CX-7 2.2 use?

The Mazda CX-7 2.2 (2009–2013) uses a 12 V, 70 Ah battery.