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

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: Battery is not charging properly

This may be a sign of a weak battery, a failing voltage regulator or failing alternator. The alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while the engine turns the...

Q: No dash lights or gauges

Hello. The existence of so many non-functioning items would seem to indicate that a main control fuse, and junction box, are not working. Check to see if there are any electrical components that may have been disturbed during the timing...

Q: Automatic transmission problem

Hi, thanks for writing in. This is likely related to the transmission control module which directs the transmission to shift up and down at specific points relative to engine RPMs. If you would like, consider having an expert automotive technician...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
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...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...