Symptom Chart - Driveshaft-Speed Related Vibrations

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. 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 CHART - DRIVESHAFT-SPEED RELATED VIBRATIONS

Condition	Possible Sources	Action
First order driveshaft vibration	Driveshaft	REFER to DRIVELINE SYSTEM - GENERAL INFORMATION article.
	Pinion gear	REFER to DRIVELINE SYSTEM - GENERAL INFORMATION article.
	Pinion bearing	REFER to DRIVELINE SYSTEM - GENERAL INFORMATION article.
Second order driveshaft vibration	U-joint	REFER to DRIVELINE SYSTEM - GENERAL INFORMATION article.
	Output shaft bushing in transmission	Refer to the appropriate Automatic Transmission article for the procedure.
Third order driveshaft vibration	Axle shaft	REFER to DRIVELINE SYSTEM - GENERAL INFORMATION article.
	Ring gear	REFER to DRIVELINE SYSTEM - GENERAL INFORMATION article.