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

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: I have a severe engine coolant leak

Hello, the overheating issue needs to be fix as soon as possible, the vehicle should not be operated or you can damage the engine. An overall inspection of coolant system components needs to be done. Some visuals may have to...

Q: Squeaking on car starting

You need to check the belt and tensioner to make sure it is tight. The belt may be stretched to its limit. It would need to be replaced if this is the case. If you'd like to get this fixed,...

Q: My oil pressure switch went out and haven't been able to start it since, what could be the issue? I have since replaced the part.

Hi, thanks for writing in. I recommend checking the fuel pump fuse and especially the fuel pump relay. Make sure you are getting power from the ignition switch to trigger the fuel pump relay. On newer (incl. 2000) GM vehicles,...

Related articles

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...
How to Renew Your Car Registration in Oklahoma(DELETED)
Having your car registered with the Oklahoma Tax Commission is an important part of driving legally in this state. You will need to do this within 30 days of moving to Oklahoma...
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...