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.
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.
Have a car question? Get free advice from our top-rated mechanics.
Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%