What is the whining noise when I accelerate?
Car Makes Whining Noise When Accelerating While the transmission is the most likely cause, whining while accelerating can also be caused by low power steering fluid or more serious damage like faulty alternator bearings, a malfunctioning water pump, a broken piston or a bad AC compressor.
What can cause a whining noise?
Common Causes of Whining Noise When Accelerating
- Internal transmission issues.
- Worn alternator bearings.
- Damaged water pump bearings.
- Low power steering fluid.
- Faulty A/C compressor.
- Tensioner/idler pulley issues.
- Dry, cracked, or slipping serpentine belt.
- Worn wheel bearings.
Why does my Subaru Outback make a whining sound?
Regular differentials make a whining sound when the bearings go bad. Your sound could be from the center coupler and that would be from driving on tires that had more than 2/32″ difference in the tread depth front to back, common if you don’t rotate the tires.
Why does my alternator make a whining noise?
Alternator whine is a product of a drop in voltage between the radio and the alternator itself. It is usually way more noticeable on the A.M band of the radio. You’ll hear it match the acceleration of the vehicle.
How often do tires rotate on a Subaru Outback?
Subarus, like most AWD vehicles, do not take well to failure to rotate tires, and big repair expenses can be the result. Subaru specifies tire rotation every 7,500 miles. How many miles did the OP go w/o rotating his/her tires? I’ve heard the differential noise described as a whine, and this is definitely a low buzz/hum.
What’s the name of the tires on a Subaru Outback?
On Dec. 30, 2013 I took it in for the next oil change and bought brand new tires – Bridgestone Turanza Serenity designed for quietness – and had them do an alignment, and drove away only to find that the noise is still there and I still have lousy gas mileage.