LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> General Information >> OEM General Information >> Noise, Vibration & Harshness >> Diagnosis And Testing >> Noise, Vibration and Harshness (NVH) >> Symptom Chart - Driveshaft-Speed Related Vibrations

Symptom Chart - Driveshaft-Speed Related Vibrations

NOTE: Any assembly that is out of balance will only cause a first order vibration, it will not cause a higher order vibration.
DRIVESHAFT-SPEED RELATED VIBRATIONS - SYMPTOM CHART

Condition Possible Sources Action
  • First order driveshaft vibration
  • Driveshaft
  • Rear drive axle/differential
  • Second order driveshaft vibration
  • U-joint
  • Output shaft bushing in transmission/transaxle the procedure.
  • Refer to appropriate Automatic Transmission article for the procedure. Refer to appropriate Manual Transmission, Clutch And Transfer Case article for the procedure. GO to the Symptom Chart in the appropriate information.
  • Third order driveshaft vibration
  • Rear drive axle/differential