Skip the auto shop - Our mechanics make house calls

Q: Car makes a single loud pop when first backing up or pulling foward. Sounds like s hammer.

asked by on

What can it be?

My car has 128800 miles.
My car has an automatic transmission.

  • You should have the lower control arm ball joints checked to see if they are loose.

  • Also, check the sway bar link arms and sway bar bushings for wear or damage.

An inspection of your suspension system by a qualified mechanic may be in order.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  • Home
  • Questions
  • Car makes a single loud pop when first backing up or pulling foward. Sounds like s hammer.

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

Q: Catcleaner

I am not aware of any evidence that proves any degree of efficacy of catalytic converter "cleaning" products. Unless such evidence exists, and you have the evidence in hand, it would be exceptionally unwise to purchase such a product. Furthermore,...

Q: Front blower motor barely blows - 2012 Chrysler Town and Country

Check to be sure the cabin air filter is not blocked with dirt and debris. This is often an electrical issue, but there is always a possibility that the blower wheel has filled with debris if the filter is missing...

Q: Parasitic drain on battery.

Hello, it sounds like you are really close to a solution since you know what is causing the draw. I would check with the relay that powers up the PCM. Locate the PCM relay in your owner's manual or fuse...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...