Symptom Table - Driveshaft-Speed Related Vibrations

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Any assembly that is out of balance will only cause a first order vibration, it will not cause a higher order vibration.

SYMPTOM TABLE - DRIVESHAFT-SPEED RELATED VIBRATIONS

Condition	Possible Sources	Action
First order driveshaft vibration	Driveshaft	REFER to DRIVELING SYSTEM - GENERAL INFORMATION article.
First order driveshaft vibration	Rear drive axle/differential	REFER to DRIVELING SYSTEM - GENERAL INFORMATION article.
Second order driveshaft vibration	U-joint	REFER to DRIVELING SYSTEM - GENERAL INFORMATION article.
Second order driveshaft vibration	Output shaft bushing in transmission/transaxle	Refer to the appropriate article in AUTOMATIC TRANSAXLE/TRANSMISSION - 6F35 , AUTOMATIC TRANSAXLE/TRANSMISSION - AISIN AW21 , AUTOMATIC TRANSMISSION - AUTOMATIC TRANSAXLE/TRANSMISSION - ELECTRONICALLY CONTROLLED CONTINUOUSLY VARIABLE TRANSMISSION (ECVT) - FUSION, MILAN & MKZ (HYBRID) for the procedure. Refer to the appropriate article in MANUAL TRANSMISSION - MANUAL TRANSAXLE/TRANSMISSION & CLUTCH - GENERAL INFORMATION for the procedure. GO to the SYMPTOM TABLE in the appropriate service information.
Third order driveshaft vibration	Rear drive axle/differential	REFER to DRIVELING SYSTEM - GENERAL INFORMATION article.