2009 kia Borrego, low pitched humming noise when i reach ...

Q: 2009 kia Borrego, low pitched humming noise when i reach 40 mph

asked by on July 09, 2017

Had the transmission replaced after i bought the car, worked great untill about 20k miles. Right as i accelerate to 40mph i hear kind of a humming/vibrating coming from the front end and the rpms kinda go up and down a little, like the engine is trying to push but cant, i can let off the gas and push it lightlyand it will stop, but when going back up to 40 mph the humming/vibrating starts again, what could this be?

My car has 146000 miles.
My car has an automatic transmission.

It sounds like you may have a failing or worn out wheel bearing. A wheel bearing will usually fail due to pitting or small damage on the surface of the rollers or the bearing race. Both the surface of the rollers and the race is precision machined to tight tolerances and highly polished to allow the rollers to pass easily over the race with the addition of bearing grease for lubrication and cooling. Over time the bearing will wear slightly, allowing microscopic pieces of metal into the grease. Bearing noise can sound a lot like a brake pad dragging or grinding. It can also sound like whirring, whining or humming depending on how much sound deadening material your vehicle has in it. Bearing noise will always be dependent on vehicle speed meaning as you speed up or slow down the noise should change frequency or loudness. Cornering may affect the noise from a damaged front wheel bearing and is usually more pronounced as you make turns. I would suggest having a professional from Your Mechanic come to your location to diagnose and inspect your vehicle.

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

Front right passenger side Shaking

If you have frame damage on the right side that did not get fixed or was hidden from you when you bought it, then your vehicle may not be repairable. I suggest having a body shop check the frame damage...

My key is stuck in ignition starts but won't turn back into lock position to remove the key.

The problem is most likely caused by a bad shift cable end not getting it all the way to the park position to allow key to turn all the way off. Have this cable checked at the transmission shift lever...

I have replaced fuel pump 4 times in 3 years

The OEM pump, that is AC DelCo, might give longer service life. Pump life would be degraded if there is a poor ground connection or a voltage drop on the electric supply line to the pump and/or pump output restrictions...

Related articles

2010 Hyundai Santa Fe vs. 2010 Kia Rondo: Which One Should I Buy?
There are two different classes of vehicle represented here: the 2WD SUV in the Santa Fe and the mid-size station wagon or crossover SUV in the Kia Rondo. The difference between these two classes may seem slight, but the crossover...
2012 Kia Soul vs. 2012 Nissan Cube: Which One Should I Buy?
While technically these two vehicles fall into the “small wagon” classification, they look like nothing more than boxes on wheels. Some people are really into this design, while others are completely opposed to it. If you’re in the former camp,...
2005 Kia Sorento vs. 2005 Chevrolet Blazer: Which One Should I Buy?
SUVs are great for playing out in the mud, taking kids and friends around to different places, as well as just running errands around town. While they are not known to be terrific for gas mileage, that problem is negated...