Q: My alternator was just replaced. Now it's whining and locking on me! Why?

asked by on

After it was replaced, now the mph shots to 110 mph when im barely pushing on the gas. It also has a loud whining/whistling noise and if i go over, what i assume is 40mph, it starts to shake and jump. What do you think?

My car has 169000 miles.
My car has an automatic transmission.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. My alternator was just replaced. Now it's whining and locking on me! Why?

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: Speedometer not working in a 2004 Chrysler PT Cruiser

There may be a wiring issue in the speedometer circuit, or the gauge in the instrument cluster may be bad. I would ask for help from one of the mechanics at YourMechanic to help diagnose and repair your speedometer concern....

Q: Whining noise, parts keep going out

Hello. If the air compressor is faulty this will cause the engine to work harder and that may result in lower mpg. The whining noise could be caused by a bad serpentine belt, pulley, or a bad serpentine belt tensioner....

Q: car wont start after changing crank shaft pulley

This sounds like potentially either a loose crankshaft pulley bolt or potentially stripped threads on this bolt. Either way, this has likely caused a problem with timing and potentially a variety of other issues. Since you can't get the car...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...