Symptom Chart - Engine-Speed Related Vibrations

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Condition	Possible Sources	Action
NOTE: When an engine-speed related vibration is present, engine, engine accessory and engine firing calculations should be carried out.
NOTE: Any assembly that is out of balance will only cause a first order vibration, it will not cause a higher order vibration.
NOTE: Some engine-speed related vibrations are normal though they should not be felt in the passenger compartment.
0.5 order engine vibration	Engine	REFER to Engine System General Information .
First through sixth order engine vibration	Engine	REFER to Engine System General Information .
Transmission/transaxle		REFER to Four Wheel Drive (4WD) Systems . Refer to the appropriate Automatic Transmission article for the procedure.
Engine mounts		REFER to Engine System General Information .
Transmission/transaxle mounts		REFER to Four Wheel Drive (4WD) Systems . Refer to the appropriate Automatic Transmission article for the procedure.
Exhaust system		REFER to Exhaust System .
Belt driven accessory speed vibration	Engine pulley	REFER to Engine System General Information .
Coolant pump		REFER to Engine System General Information .
Generator		REFER to Charging System .
A/C compressor		REFER to Climate Control System General Information .
Power steering pump		REFER to Power Steering .
Vacuum pump		REFER to Engine System General Information .
Accessory drive belt		REFER to Engine System General Information .