Q: Thunking noise in rear of the car.

asked by on September 15, 2016

From a dead stop, when initially accelerating, there is a thunking noise in the rear of the vehicle. It is not the brake calipers, rotors, or brake pads. Could this be the load-leveling shocks deteriorating? This only happens from a dead stop. It does not happen when accelerating while in motion.

My car has 36000 miles.
My car has an automatic transmission.

Hi there, thanks for writing in. This thunking noise is a common problem when U-joints (driveshaft) are worn out. I would recommend having them inspected to be sure they do not have too much play in them. When there is too much clearance in these, they will cause the thunking sound you are describing, especially when accelerating. If there is something wrong with these U-joints, you may need to replace them. If you’d like help investigating the noise or U-joints, have a certified automotive technician come to your home or office to diagnose and repair the issue for you.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

How do I use the passenger airbag sensor?

The passenger airbag sensor is located on the overhead console. The sensor detects when a person is sitting in the passenger seat, and turns on the passenger airbag. If the passenger airbag sensor says ON, or displays an airbag, then...

Is there a known fix for the mazdaspeed3 pcv problem?

For vehicles produced prior to 2008, Mazda published a Technical Service Bulletin (TSB) referring to a redesign to resolve the excess pressure issue. As far as the 2012 model though, I do not see a comparable published TSB dealing with...

Jeep wont go past 45mph

Hi There, What you are describing sounds like you may have a clogged catalytic converter. The catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere. When the catalytic converter is...

Related articles

A Buyer’s Guide to the 2012 Lexus ES
The The 2012 Lexus ES is a luxury sedan that successfully competes with the Audi A6 and Acura TL. This front-wheel drive sedan has driving comfort while providing a spacious interior whether you are carrying kids or cargo. It offers...
2012 Ford Mustang vs. 2012 Dodge Charger: Which One Should I Buy?
Technically these two vehicles have wildly different classifications: compact for the Ford Mustang and large car for the Dodge Charger. However, who would consider either one anything other than a muscle car? These cars are meant for speed, fun, and...
A Buyer’s Guide to the 2012 Volkswagen Touareg Hybrid
Whether Whether you’re new to the hybrid wave or an old hat, the 2012 Volkswagen Touareg Hybrid gives you exactly what you’re looking for – a comfortable, luxurious ride that provides decent fuel economy. Key Features This hybrid option...