Symptom Chart - Noise, Vibration, and Harshness (NVH)
WARNING: This page is about a different car, the 2018 Ford EcoSport. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. For information about these practices, REFER to: Diagnostic Methods .
| Condition | Possible Sources | Actions |
|---|---|---|
| Noisy A/C compressor | A/C compressor bearing worn | INSPECT the A/C compressor pulley bearing for roughness. If bearing roughness is found, INSTALL a new A/C Clutch and A/C Field Coil. REFER to: Air Conditioning (A/C) Clutch and Air Conditioning (A/C) Clutch Field Coil . |
| Excessive hissing from the plenum when the A/C is on | Low refrigerant charge | INSPECT the A/C system for a low refrigerant charge. REFER to: Electronic Leak Detection - Vehicles With: R134A Refrigerant . REFER to: Fluorescent Dye Leak Detection - Vehicles With: R134A Refrigerant . REFER to: Air Conditioning (A/C) System Recovery, Evacuation and Charging - Vehicles With: R134A Refrigerant . |