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 MANUALSFORD2010EDGE FWD V6-3.5LREPAIR AND DIAGNOSISTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESFREQUENCY CALCULATIONSCALCULATING ENGINE FREQUENCY
2010 Ford Edge FWD V6-3.5L
Calculating Engine Frequency
2010 Ford Edge FWD V6-3.5LSECTION Calculating Engine Frequency
Noise, Vibration and Harshness (NVH)
Frequency Calculations
Calculating Engine Frequency
Use the engine rpm where the vibration symptom occurs to determine engine frequency. Calculate engine frequency by dividing the engine rpm by 60 (the number of seconds in a minute). For example, if the corresponding engine rpm of a vibration concern on a vehicle is 2,400 rpm, the resulting engine frequency is 40 Hz. Therefore, a 40 Hz vibration is a first order engine vibration. For purposes of vibration diagnosis, the engine also includes the torque converter and exhaust system.
RENDER: 1.0x
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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.