Skip the auto shop - Our mechanics make house calls

Q: Engine knocking constantly.

asked by on

There is a knocking in the engine that gets louder when the engine is revved, even while stationary. I did find metal fragments in the oil pan.

A: Hi. From you initial description of the noi...

Hi. From you initial description of the noise and what you found in the oil pan it is safe to say that you have a serious internal engine problem. It sounds like you have a rod or crankshaft bearing that has failed and it causing the metal and the noise. This means that the engine will need to be replaced or rebuilt.

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!

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: Engine making high-pitched noise

Hi, this typically points to an issue with one of your serpentine belts. These belts drive different components on the vehicle such as the water pump, alternator, and A/C compressor. Over time, they will begin to lose their grip which...

Q: Loss of Power

It sounds like your transmission fluid is burnt from the slipping and you may need to have the transmission rebuilt or replaced. I recommend having a mechanic come to your car's location to test the transmission to pinpoint why it...

Q: oil leak

I can't really give you a positive yes or no answer as to whether stop-leak products will cure the problem. From experience however, I have seen them work for a time, I have seen them not work at all, and...

Related articles

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...
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...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.