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2014 - Mazda6 - Engine

ENGINE TECHNICAL DATA [SKYACTIV-G 2.5]



Item

Specification

Idle speed (MTX: Neutral position, ATX: P, N position)

MTX: 560—660 rpm

ATX: 550—650 rpm

Ignition timing

Approx. BTDC 12°

CO concentration

Within the regulation

HC concentration

Within the regulation

Idle-up speed (MTX: Neutral position, ATX: P, N position)

A/C on: 650—800 rpm

Electrical loads on: 600—750 rpm

Compression

Standard: 954 kPa {9.73 kgf/cm2, 138 psi}[300 rpm]

Minimum: 763 kPa {7.78 kgf/cm2, 111 psi}[300 rpm]

Maximum difference between cylinders: 161 kPa {1.64 kgf/cm2, 23.4 psi}[300 rpm]

OCV coil resistance

6.9—7.5 ohms [20°C {68°F}]

Cylinder head bolt length L

145.2—145.8 mm {5.717—5.740 in}

Cylinder head bolt length L maximum

146.5 mm {5.767 in}

Front oil seal press on amount

0—1.0 mm {0—0.039 in}

Rear oil seal press on amount

0—0.5 mm {0—0.019 in}

Engine oil capacity (approx. quantity)

Oil replacement: 4.3 L {4.5 US qt, 3.8 lmp qt}

Oil and oil filter replacement: 4.5 L {4.8 US qt, 4.0 lmp qt}

Total (dry engine): 5.4 L {5.7 US qt, 4.8 Imp qt}

Oil pressure (reference value) [coolant temperature: 80—90 °C {176—194 °F}]

Lo : 110—175 kPa {1.13—1.78 kgf/cm2, 16.0—25.3 psi} [1,500 rpm]

Hi : 300—430 kPa {3.06—4.38 kgf/cm2, 43.6—62.3 psi} [4,500 rpm]

Engine coolant capacity (approx. quantity)

MTX: 6.9 L {7.3 US qt, 6.1 lmp qt}

ATX: 7.2 L {7.6 US qt, 6.3 Imp qt}

Cooling system cap valve opening pressure

93.2—122.6 kPa {0.951—1.250 kgf/cm2, 13.6—17.7 psi}

Thermostat initial-opening temperature

80.5—83.5 °C {177—182 °F}

Thermostat full-open temperature

95 °C {203 °F}

Thermostat full-open lift

8.5 mm {0.33 in} or more

Cooling fan motor No.1, No.2 standard current

No.1: 5.1—9.1 A [12 V]

No.2: 7.8—11.8 A [12 V]

Throttle body resistance

0.3—100 ohms [20°C {68 °F}]

Fuel pressure

405—485 kPa {4.13—4.94 kgf/cm2, 58.8—70.3 psi}

Fuel hold pressure

230 kPa {2.35 kgf/cm2, 33.4 psi} or more

Fuel injector resistance

1.74—2.04 ohms [20 °C {68 °F}]

Battery electrolyte specific gravity [20 °C {68 °F}] (without i-ELOOP)

1.22—1.29

Battery load test current (without i-ELOOP)

55D23L (60 A·h/20HR): 180 A

75D23L (65 A·h/20HR): 195 A

Parasitic draw (When the ignition is off (lock), all doors and the hood are closed.)

40—65 mA

Battery slow charge current (without i-ELOOP)

55D23L (60 A·h/20HR): 4.5—5.5 A

75D23L (65 A·h/20HR): 5.0—6.0 A

Battery quick charge current [30 min] (without i-ELOOP)

55D23L (60 A·h/20HR): 30 A

75D23L (65 A·h/20HR): 35 A

Generator standard voltage [IG-ON] (without i-ELOOP)

Terminal 1A: B+

Terminal 2A: Approx. 1 V or less

Terminal 2B: Approx. 0 V

Generator standard voltage [Idle, 20 °C {68 °F}] (without i-ELOOP)

Terminal 1A: 13—15 V

Terminal 2A: Approx. 3—8 V

Terminal 2B: Turn the electrical loads (such as headlights, blower motor, rear window defroster, brake lights) on and verify that the voltage reading increases.

Generator generated current minimum value (without i-ELOOP)

70% of the nominal output current (nominal output current: 100 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}] (without i-ELOOP)

1.8—2.1 ohms

Generator brush length (without i-ELOOP)

Standard: 22.5 mm {0.886 in}

Minimum: 5.0 mm {0.20 in}

Generator brush spring force (without i-ELOOP)

Standard: 4.1—5.3 N {0.42—0.54 kgf, 1.0—1.1 lbf}

Minimum: 1.7 N {0.17 kgf, 0.38 lbf}

Firing order

1—3—4—2 (all cylinders independent firing)

Spark plug type

PE01-18-110, PE02-18-110, PE5R-18-110, PE5S-18-110

Spark plug resistance [25°C {77 °F}]

3.0—7.5 kilohms

Starter no-load test voltage

11 V

Starter no-load test current

90 A or less

Starter pinion gap

0.5—2.0 mm {0.02—0.07 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 {0.484 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 {0.280 kgf, 0.618 lbf}


Engine oil specification

Item

U.S.A. and CANADA

Except U.S.A. and CANADA

Engine oil grade

API SM or ILSAC

Engine oil viscosity

0W-20

5W-30 (If SAE 5W-30 engine oil is not available, use SAE 5W-20 engine oil.)




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