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.
Active Control Engine Mount (ACM) System (J35Z1 Engine): Notes
The active control engine mount (ACM) system decreases engine-to-chassis vibration at low RPM and when the engine is in cylinder pause mode. The system includes conventional, liquid-filled engine mounts that absorb vibration. In addition, the front and rear engine mounts contain an actuator that cancels engine vibration by producing a counter, or reverse vibration. The transmission has standard rubber mounts.
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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.