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 MANUALSFORD2012EXPLORER AWD V6-3.5LREPAIR AND DIAGNOSISTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESSYMPTOM CHART(S)CLASSIFY NVH SYMPTOMS
2012 Ford Explorer AWD V6-3.5L
Classify NVH Symptoms
2012 Ford Explorer AWD V6-3.5LSECTION Classify NVH Symptoms
Symptom Chart(s)
Classify NVH Symptoms
For NVH (Noise, Vibration, or Harshness) concerns, it is necessary to classify the customer's concern into one of the 3 categories: noise, vibration or harshness. The reason for this is that a customer concern may consist of a combination of symptoms involving noise and vibration, or vibration and harshness. In cases where there are combination symptoms, determine which diagnostic path to follow: noise, vibration or harshness. For example, if a customer has a concern involving a noise and a vibration, and it is determined that it is vehicle speed-related, follow the vibration diagnostic path.
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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.