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Mazda CX 7. Manual - part 152

TECHNICAL DATA [L3 WITH TC]

01-50–1

01-50

TECHNICAL DATA [L3 WITH TC]

ENGINE TECHNICAL DATA

[L3 WITH TC] . . . . . . . . . . . . . . . . . . . . 01-50–1

End of Toc

WM: ENGINE

ENGINE TECHNICAL DATA[L3 WITH TC]

id015039800100

Item

Specification

Standard valve clearance [Engine cold]

IN: 0.22—0.28 mm {0.0087—0.011 in}

EX: 0.27—0.33 mm {0.011—0.012 in}

Compression

Standard:1,280 kPa {13.1 kgf/cm

, 185.65 psi}[250rpm]

Minimum:896 kPa {9.14 kgf/cm

, 129.96 psi}[250rpm]

Maximum difference between cylinders:196.1 kPa {2.0 kgf/cm

, 28.5

psi}

Cylinder head bolt length

Standard

144.7—145.3 mm {5.697—5.720 in}

Maximum:

146 mm {5.74 in}

Front oil seal press-in amount

0—0.5 mm {0—0.019 in}

OCV resistance

6.9—7.9 ohms [20°C {68°F}]

Ignition timing

Approx. BTDC 10°

Idle speed (P, N position)

No load: 650—750 rpm

Electrical load on

: 650—750 rpm

P/S operation: 650—750 rpm

A/C operation: 650—750 rpm

Idle speed (D position)

No load: 575—675 rpm

Electrical load on

: 600—700 rpm

P/S operation: 650—750 rpm

A/C operation: 650—750 rpm

Idle mixture

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

Oil pressure (reference value) [oil temperature: 100 °C
{212 °F}]

297—551 kPa {3.03—5.61 kgf/cm

, 43.1—79.9 psi} [3,000 rpm]

Engine oil capacity (approx. quantity)

Oil replacement: 5.3 L {5.6 US qt, 4.7 Imp qt}

Oil and oil filter replacement: 5.7 L {6.0 US qt, 5.0 Imp qt}

Total (dry engine): 6.4 L {6.8 US qt, 5.6 Imp qt}

Engine coolant capacity (approx. quantity)

9.0 L {9.5 US qt, 7.9 Imp qt}

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

17.5—22.5 A

Cooling system cap valve opening pressure

112.8—142.2 kPa {1.15—1.45 kgf/cm

, 16.4—20.6 psi}

Thermostat initial-opening temperature

80—84 °C {176—183 °F}

Thermostat full-open temperature

97 °C {207 °F}

Thermostat full-open lift

More than 8.0 mm {0.31 in}

Fuel line pressure

410—490 kPa {4.2—4.9 kgf/cm

, 60—71 psi}

Fuel pump hold pressure

More than 230 kPa {2.3 kgf/cm

, 33 psi}

Fuel injector resistance

1.0—1.2 ohms [20 °C {68 °F}]

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

1.22—1.29

Battery load test current

55D23L (48): 180 A
80D26L (55): 195 A

Battery back-up current

Vehicles with immobilizer system: 55—65 mA

Vehicles without immobilizer system: 60 mA or less

Battery slow charge current

55D23L (48): 4.5—5.5 A
80D26L (55): 5.5—6.5 A

Battery quick charge current [30 min]

55D23L (48): 30 A
80D26L (55): 35 A

Generator standard voltage [IG-ON]

Terminal B: B+

Terminal P: Approx. 1 V or less

Terminal D: Approx. 0 V

1871-1U-06B(01-50).fm 1 ページ２００６年３月１５日　水曜日　午前１０時５５分

TECHNICAL DATA [L3 WITH TC]

01-50–2

*1 : When the following electrical loads are on: Headlights, rear defroster, cooling fan No.1, cooling fan No.2, and

the blower motor (2-step or more.)

Engine oil specification

End Of Sie

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

Terminal B: 13—15 V

Terminal P: Approx. 3—8 V

Terminal D: Turn the electrical loads (headlights, blower motor, rear

window defroster) on and verify that the voltage reading increases.

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}

Firing order

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

Spark plug type

L3K9 18 110A, L3Y3 18 110

Spark plug gap

0.7—0.8 mm {0.028—0.031 in}

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

0.05 mm {0.002 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: 0.4—0.6 mm {0.016—0.023 in}

Minimum: 0.2 mm {0.008 in}

Starter brush length

Standard: 12.3 mm {0.48 in}

Minimum: 7.0 mm {0.28 in}

Starter brush spring force

Standard: 18.3—24.9 N {1.87—2.53 kgf, 4.12—5.59 lbf}

Minimum: 5.9 N {0.6 kgf, 1.3 lbf}

Item

Specification

ENGINE

CYLINDER No.

CRANKSHAFT
PULLEY

Item

U.S.A. and CANADA

Except U.S.A. and CANADA

Engine oil grade

API SL or ILSAC

Engine oil viscosity

5W-30

(ILSAC)

1871-1U-06B(01-50).fm 2 ページ２００６年３月１５日　水曜日　午前１０時５５分

SERVICE TOOLS [L3 WITH TC]

01-60–1

01-60

2007 Mazda CX-7 Workshop Manual (1871–1U–06B)

Revised 11/2006 (Ref. No. R172/06)

01-60

SERVICE TOOLS [L3 WITH TC]

ENGINE SST[L3 WITH TC]. . . . . . . . . . . 01-60–1

End of Toc

WM: ENGINE

ENGINE SST[L3 WITH TC]

id016039800100

1: Mazda SST number
2: Global SST number
Example

1:49 UN01 052
2:310–D005

Spring lock
coupler tool
(green)

1:49 UN30 3328
2:303–328

Rear oil seal
replacer

1:–
2:303–507

Crankshaft TDC
timing peg

1:–
2:205-126

Holding tool

1:–
2:205–072–02

Crankshaft
holding tool pins

1:49 UN30
310610
2:303–1061

Camshaft
alignment
timing tool

1:49 H010 401
2:–

Oil seal installer

1:49 G013 101
2:–

Remover

1:49 C017 5A0
2: –

Engine support
set

1:49 9200 145
2:–

Radiator cap
tester adapter
set

1:49 N013 101A
2:–

Body
(Components
part of 49 N013
1A0D)

1:49 0187 280A
2:–

Oil pressure
gauge

1:49 E019 001
2:–

Adapter

1:49 E042 001
2:–

Remover

1: –
2:134-01049

Evaporative
emission
system tester

1:49 H080 740A
2: –

Pressure tester

SERVICE TOOLS [L3 WITH TC]

01-60–2

2007 Mazda CX-7 Workshop Manual (1871–1U–06B)

Revised 11/2006 (Ref. No. R172/06)

End Of Sie

1:49 L018 001
2:–

O2 sensor
wrench

1:49 N013 102A
2:–

Adapter Hose
(Components
part of 49 N013
1A0D)

1:49 B019 901B
2:–

Gauge
(Components
part of 49 N013
1A0D)

1:49 G040 001
2:–

Handle

1:49 G040 002
2:–

Installer

—

Content .. 150 151 152 153 ..