Mazda CX-9 Grand Touring. Manual — part 323

2008 ENGINE

Technical Data (MZI-3.7) - Mazda CX-9

ENGINE TECHNICAL DATA [MZI-3.7]

ENGINE TECHNICAL DATA SPECIFICATION

Item

Specification

Standard valve clearance [Engine cold]

IN: 0.150-0.250 mm {0.00591-0.00984 in}

EX: 0.300-0.400 mm {0.0119-0.0157 in}

Oil control valve resistance

5-14 ohms

Ignition timing

Approx. BTDC 13°

Idle speed (P position)

No load: 570-670 rpm

Electrical load on: 630-730 rpm

Power steering oil pump operation: 600-700 rpm

A/C and heater operation: 570-850 rpm [-40-49 °C {-40-120°

F}]

Idle mixture

HC concentration: Within the regulation
CO concentration: Within the regulation

Engine oil capacity (approx. quantity)

Oil replacement: 4.7 L {5.0 US qt, 4.2 lmp qt}

Oil and oil filter replacement: 5.2 L {5.5 US qt, 4.6 lmp qt}

Total (dry engine): 5.9 L {6.2 US qt, 5.2 lmp qt}

Oil pressure (reference value) [oil
temperature: 93.3°C {200°F}]

310-621 kPa {3.17-6.33 kgf/cm

2

, 45.0-90.0 psi} [2,000 rpm]

Engine coolant capacity (approx.
quantity)

Dual fan control module: 12.2 L {12.9 US qt, 10.7 lmp qt}

Single fan control module: 11.6 L {12.3 US qt, 10.2 lmp qt}

Cooling system cap valve opening
pressure

93.2-122.6 kPa {0.95-1.25 kgf/cm

2

, 13.5-17.8 psi}

Thermostat initial-opening temperature

79.5-83.3°C {175.2-181.9°F}

Thermostat full-open temperature

94.5°C {202.1°F}

Thermostat full-open lift

More than 8.1 mm {0.32 in}

Cooling fan motor standard current
[Single fan control module]

No.1, No.2: 11.2-15.2 A

Cooling fan motor standard current
[Dual fan control module]

No.1, No.2: 17-23 A

Fuel line pressure

331-85 kPa {3.38-4.94 kgf/cm

2

, 48.1-70.3 psi}

Fuel injector resistance

11-18 ohms

Battery electrolyte specific gravity [20°
C {68°F}]

1.22-1.29

Battery load test current

80D26L (55): 195 A

Battery back-up current (When the
ignition switch is off, the ignition key is
removed, and all doors are closed.)

Vehicles with immobilizer system: 50-60 mA

Vehicles without immobilizer system: 55 mA or less

2008 Mazda CX-9 Grand Touring

2008 ENGINE Technical Data (MZI-3.7) - Mazda CX-9

2008 Mazda CX-9 Grand Touring

2008 ENGINE Technical Data (MZI-3.7) - Mazda CX-9

Microsoft

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Sunday, November 15, 2009 10:03:16 AM

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Battery slow charge current

80D26L (55): 5.5-6.5 A

Battery quick charge current [30 min]

80D26L (55): 35 A

Generator standard voltage [IG-ON]

Terminal B: B+

Terminal A: B+

Terminal RC: Approx. 1 V or less

Terminal LI: Approx. 1 V

Generator standard voltage [Idle, 20°C
{68°F}]

Terminal B: 12-16 V

Terminal A: 12-16 V

Terminal RC: 0-16 V

Terminal LI: 1-16 V

Generator generated current minimum
value

70 % of the nominal output current (nominal output current: 110

A)

[Ambient temp. 20°C {68°F}, voltage 13.0-15.0 V, both engine

and generator are hot]

Generator rotor resistance (between slip
rings) [20°C {68°F}]

1.8-2.2 ohm

Generator brush length

Standard: 22.5 mm {0.89 in}

Minimum: 5.0 mm {0.20 in}

Generator brush spring force

Standard: 4.1-5.3 N {0.42-0.54 kgf, 0.92-1.19 lbf}

Minimum: 1.7 N {0.17 kgf, 0.38 lbf}

Ignition coil secondary coil resistance

5-6 kilohms

Firing order

1-4-2-5-3-6

Spark plug type

CY01 18 110

Spark plug gap

1.29-1.45 mm {0.051-0.057 in}

Spark plug resistance

2-20 kilohms

2008 Mazda CX-9 Grand Touring

2008 ENGINE Technical Data (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:03:12 AM

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© 2005 Mitchell Repair Information Company, LLC.

Engine oil specification

ENGINE OIL SPECIFICATION

Starter no-load test voltage

11 V

Starter no-load test current

90 A or less

Starter pinion gap

0 mm {0 in}

Starter armature runout

0.1 mm {0.004 in} max.

Starter commutator diameter

Standard: 29.4 mm {1.16 in}

Minimum: 28.8 mm {1.13 in}

Segment groove depth of starter
commutator

Standard: 0.5 mm {0.02 in}

Minimum: 0.2 mm {0.008 in}

Starter brush length

Standard: 12.3 mm {0.48 in}

Minimum: 5.5 mm {0.22 in}

Starter brush spring force

Standard: 15.0-20.4 N {1.53-2.08 kgf, 3.38-4.58 lbf}

Minimum: 2.75 N {0.28 kgf, 0.62 lbf}

Item

U.S.A. and CANADA

Except U.S.A. and CANADA

Engine oil grade

Engine oil viscosity

5W-20

2008 Mazda CX-9 Grand Touring

2008 ENGINE Technical Data (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:03:12 AM

Page 3

© 2005 Mitchell Repair Information Company, LLC.

2008 ENGINE

Symptom Troubleshooting (MZI-3.7) - Mazda CX-9

SYMPTOM TROUBLESHOOTING WIRING DIAGRAM [MZI-3.7]

2008 Mazda CX-9 Grand Touring

2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9

2008 Mazda CX-9 Grand Touring

2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:10:04 AM

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© 2005 Mitchell Repair Information Company, LLC.

Microsoft

Sunday, November 15, 2009 10:10:17 AM

Page 1

© 2005 Mitchell Repair Information Company, LLC.