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 MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 502 (ENGINE CONTROL SYSTEM)PCM REMOVAL/INSTALLATION
2008 Mazda 6 s Sport, 4D Hatchback, Standard
Pcm Removal/Installation
2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Pcm Removal/Installation
WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the negative battery cable.
- Disconnect the connector from the PCM installed on the upper part of the brake pedal.
- Remove the bolt and nut holding the PCM.
- Push the harness (PCM harness) installed to the brake pedal bracket in the opposite direction of the brake pedal bracket.
- While pushing the harness, push the stay until it comes apart from the stud with the PCM installation nut.
- Remove the PCM installation nut.
- Install in the reverse order of removal.
Tightening torque
- Bolt, nut: 7.9-10.7 N.m {80-110 kgf.cm, 70-95.4 in.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.