Mazda CX-9 Grand Touring. Manual — part 452

Block joint type

1. Disconnect the block joint type pipes by grasping the female side of the block with pliers or similar tool

and holding firmly, and then remove the connection bolt or nut.

Fig. 34: Disconnecting Block Joint Type Pipes By Grasping Female Side Of Block

REFRIGERANT LINE INSTALLATION NOTE

1. Temporarily tighten the joint bolt by hand.

2. Connect the block joint type pipes by grasping the female side of the block with pliers or similar tool and

holding firmly, and then tighten the connection bolt or nut with a torque wrench.

Fig. 35: Connecting Block Joint Type

2008 Mazda CX-9 Grand Touring

2008 HVAC Basic System - Mazda CX-9

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2008 ENGINE PERFORMANCE

Ignition System (MZI-3.7) - Mazda CX-9

IGNITION SYSTEM LOCATION INDEX [MZI-3.7]

Fig. 1: Identifying Ignition Coil And Spark Plug
Courtesy of MAZDA MOTORS CORP.

IGNITION COIL REMOVAL/INSTALLATION [MZI-3.7]

1. Disconnect the negative battery cable.

2. Remove the engine cover.

3. Remove the dynamic chamber. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-

3.7] .)

4. Remove in the order indicated in the table.

5. Install in the reverse order of removal.

CAUTION:



Apply small amount of the specified dielectric grease to the
inside of the ignition coils, then install the ignition coils to the
spark plugs.



Specified grease: Motorcraft XG-3A

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE Ignition System (MZI-3.7) - Mazda CX-9

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE Ignition System (MZI-3.7) - Mazda CX-9

Microsoft

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© 2005 Mitchell Repair Information Company, LLC.

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Fig. 2: Identifying Connector, Ignition Coil & Torque Specifications
Courtesy of MAZDA MOTORS CORP.

IGNITION COIL INSPECTION [MZI-3.7]

SECONDARY COIL RESISTANCE INSPECTION

1. Remove the ignition coils. (See IGNITION COIL INSPECTION [MZI-3.7].)

2. Using a tester, measure the resistance between the ignition coil terminal A and ignition coil boot socket.



If not within the specification, replace the ignition coil.

Ignition coil secondary coil resistance 5-6 kilohms

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE Ignition System (MZI-3.7) - Mazda CX-9

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© 2005 Mitchell Repair Information Company, LLC.

Fig. 3: Measuring Resistance Between Ignition Coil Terminal A And Ignition Coil Boot Socket
Courtesy of MAZDA MOTORS CORP.

SPARK PLUG REMOVAL/INSTALLATION [MZI-3.7]

1. Disconnect the negative battery cable.

2. Remove the engine cover. |j]

3. Remove the dynamic chamber. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-

3.7] .)

4. Remove the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION [MZI-3.7].)

5. Remove the spark plugs using a plug-wrench.

6. Install in the reverse order of removal.

Tightening torque

9-20 N.m {91-204 kgf.cm, 79-177 in.lbf}

SPARK PLUG INSPECTION [MZI-3.7]

SPECIFICATION

Spark plug type

CY01 18110

SPARK PLUG GAP INSPECTION

1. Measure the spark plug gap using a wire type plug gap gauge.



If not within the specification, replace the spark plug.

CAUTION:



If a spark plug that is not as specified is installed, engine
performance will be deteriorated. Install only the specified spark plug
when replacing.

CAUTION:



Apply small amount of the specified dielectric grease to the
inside of the ignition coils, then install the ignition coils to the
spark plugs.



Specified grease: Motorcraft XG-3A

CAUTION:



To avoid possible damage to the tip, do not adjust the plug gap.



To prevent damaging the tip, use a wire type plug gap gauge when
inspecting the plug gap.

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE Ignition System (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:00:40 AM

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© 2005 Mitchell Repair Information Company, LLC.