Symptom Chart: NVH

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

Condition	Possible Sources	Actions
Driveline clunk - loud clunk when shifting from REVERSE to DRIVE	Damaged or worn driveshaft U-joint	INSPECT the driveshaft U-joints for wear or damage. INSTALL a new driveshaft U-joint or driveshaft as necessary. REFER to: Driveshaft Universal Joint .
Driveline clunk -- occurs as the vehicle starts to move forward following a stop	Worn driveshaft U-joint with excessive play	INSPECT the driveshaft U-joint for a worn condition. INSTALL a new driveshaft U-joint if necessary. REFER to: Driveshaft Universal Joint .
Buzz - buzzing noise is the same at cruise or coast/deceleration	Incorrect driveline angles	CHECK for correct driveline angles. REFER to: Driveshaft Angle Measurement . REPAIR as necessary.
Rumble or Boom - noise occurs at coast/ deceleration, usually driveshaft speed-related and noticeable over a wide range of speeds	Driveshaft out of balance	CHECK the driveshaft for damage, missing weights or undercoating. CHECK the driveshaft balance. REFER to: Driveshaft Runout and Balancing . INSTALL a new driveshaft as necessary. REFER to: Rear Driveshaft .
Grunting -- normally associated with a shudder experienced during acceleration from a complete stop	Driveshaft CV joint and/or U-joint binding	INSTALL a new driveshaft as necessary. REFER to: Rear Driveshaft . REFER to: Front Driveshaft .
Driveline shudder - occurs during acceleration from a slow speed or stop	Driveline angles out of specification	CHECK for correct driveline angles. REFER to: Driveshaft Angle Measurement .
	Binding or damaged driveshaft CV joint and/or U-joint	INSPECT the driveshaft CV joint and/or U-joint and coupling shaft for wear or damage. INSTALL a new driveshaft as necessary. REFER to: Rear Driveshaft . REFER to: Front Driveshaft .
Driveline vibration - occurs at cruising speeds	Worn or damaged driveshaft center bearing support	CHECK the insulator for damage or wear. ROTATE the driveshaft and CHECK for rough operation. INSTALL a new driveshaft as necessary. REFER to: Rear Driveshaft .
	Center bearing bolts not properly seated	REPLACE and TORQUE the center bearing bolts.
	Loose axle pinion flange bolts	INSPECT the axle pinion flange. REPLACE the pinion flange bolts to specification. REFER to: Rear Driveshaft .
	Excessive axle pinion flange runout	CARRY OUT a runout check. REPAIR as necessary. REFER to: Specifications .
	Driveshaft is out of balance	CHECK the driveshaft for damage, missing balance weights or undercoating. CHECK the driveshaft balance. REFER to: Driveshaft Runout and Balancing .
	Binding or damaged driveshaft CV joint and/or U-joint	INSPECT the driveshaft CV joint and/or U-joint for wear or damage. INSTALL a new driveshaft as necessary. REFER to: Rear Driveshaft . REFER to: Front Driveshaft .
	Excessive driveshaft runout	CARRY OUT a runout check. REFER to: Driveshaft Runout and Balancing .
	Driveline angles out of specification	CHECK for correct driveline angles. REFER to: Driveshaft Angle Measurement . REPAIR as necessary.