Skip the auto shop - Our mechanics make house calls

Q: Engine has a knocking sound, and temperature gauge overheating...BUT I can touch the radiator and engine is NOT hot

asked by on

Engine has a knocking sound, and temperature gauge over heating...BUT I can touch the radiator and engine is NOT hot

My car has 143000 miles.
My car has an automatic transmission.

A: From what you've described, this is due...

From what you've described, this is due to a stuck thermostat most likely. This is why the radiator is not getting a warm flow of coolant.

I'd suggest having this looked at by a certified technician, like one from YourMechanic. One of our mobile experts will be able to diagnose the sounds and overheating symptoms.

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・Save up to 30%

Get a quote

What others are asking

Q: My 2006 GTP will not start with its key but with power to the starter will crank and run for a short period then stop

There are still problems with the Passlock security system, as evidenced by the Security Symbol appearing on your instrument cluster. This will require a GM Tec II tool to read the security code(s). An OBD-only tool will not "see" those...

Q: Gas gauge not working

Hello, the operation of the fuel gauge is like this. The fuel level sensor receives a steady voltage input, and as the level changes the voltage output of the fuel level sensor change. The fuel gauge in the dash receives...

Q: My car is not starting

Hello there, thank you for asking about your 2000 Mitsubishi Montero Sport. You may have a defective start relay or start interrupt switch on the transmission. Have a mechanic come and diagnose the problem for you if these items check...

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...
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.