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Clunking noise when I drive over bumps Inspection Service

Clunking noises are annoying and potentially dangerous, and should always be investigated. They vary from relatively harmless hubcap rattles to more serious issues with suspension and steering components. Unfortunately, there are many possible sources, and some are hard to locate with the vehicle stationary. A test drive is nearly always required.

Worn shocks and struts often produce noises, and their state of wear should be obvious from a profound lack of damping, allowing noticeable rocking and bouncing motions when the car is moving or a pronounced clunk whenever going over bumps.

Engine mounts can wear and allow engine movement – and noise – during power off and on transitions; but not so much over bumps. Steering components, however, can produce noise over bumps, and these can be checked by turning the wheel vigorously from side to side while the car is stationary.

There are rubber bushings fitted at sway-bar and control arm mounts, and these can wear and allow slop and noise to develop. One way of finding control-arm bushing wear is to apply the car’s brakes firmly with the engine idling, then cycle the transmission from Park through Drive to reverse repeatedly while listening for noises.

Common reasons for this to happen:

  • Worn out struts
  • Worn out strut mounts
  • Worn out control-arm bushing

How it's done:

The mechanic will inspect the entire front suspension system and likely test drive the car.

How important is this service?

Since the causes of undercarriage noises are many and varied, and because there may be rust or mechanical damage at the root of this problem, we strongly suggest that you have the car inspected by an expert technician as soon as possible.


Recent Clunking noise when I drive over bumps Inspection reviews

Excellent Rating

(51)

Rating Summary
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William

34 years of experience
523 reviews
William
34 years of experience
Ford Ranger V6-3.0L - Clunking noise when I drive over bumps Inspection - Peoria, Arizona
William is by far, the best mechanic out of all the different mechanics we have used. I will only schedule services with him. He is knowledgeable and very competent. I trust his recommendations. Can't say enough good things about him.

Greg

22 years of experience
342 reviews
Greg
22 years of experience
Jeep Grand Cherokee L6-4.0L - Clunking noise when I drive over bumps - Tempe, Arizona
Greg, is very detailed orientated, patient and really takes the time to diagnosis and resolve mechanical problems. He is trustworthy and reliable.

Joel

21 years of experience
987 reviews
Joel
21 years of experience
Ford F-250 Super Duty V8-5.4L - Clunking noise when I drive over bumps Inspection - Jacksonville, Florida
Joel has worked on my truck for different issues and does great work. I will use him again for my next issue.

Peter

43 years of experience
1321 reviews
Peter
43 years of experience
Honda Pilot V6-3.5L - Clunking noise when I drive over bumps - Gilbert, Arizona
Showed up on time and took the time to figure out the issue. Very personable and was not rushed and felt I got my moneys worth of his time. Very very happy with his knowledge and skills. Would highly recommend!

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