Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMAZDA2008CX-7 GRAND TOURING, 2.3 L, FWDREPAIR AND DIAGNOSISENGINE PERFORMANCETUNE-UPIGNITION SYSTEMSPARK PLUG REMOVAL/INSTALLATION[L3 WITH TC]
2008 Mazda CX-7 Grand Touring, 2.3 L, FWD
Spark Plug Removal/Installation[L3 With TC]
2008 Mazda CX-7 Grand Touring, 2.3 L, FWDSECTION Spark Plug Removal/Installation[L3 With TC]
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.
- Disconnect the negative battery cable.
- Remove the charge air cooler. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION[L3 WITH TC] ).
- Remove the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION[L3 WITH TC] .)
- Remove the spark plugs using a plug-wrench.
- Install in the reverse order of removal.
Tightening torque
10-14 N.m {1.1-1.4 kgf.m, 8.0-10 ft.lbf}
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.