Car is overheating?

Tiny
NAKOBAM
  • MEMBER
  • 2001 AUDI A6
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 94,000 MILES
I just bought a car from the auction and the car is over heating
Tuesday, December 18th, 2007 AT 7:11 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

There are several reason for an engine to overheat.

https://www.2carpros.com/articles/symptoms-of-an-overheating-engine

First of all you need to make sure the coolant level is correct.
If the engine overheats with the correct level of coolant, it can be for a faulty water pump, a stuck closed thermostat, bad radiator, inoperative radiator fan or could be from a clog in the cooling system.
With the engine running at operating temperature check to see if the cooling fans are coming on.

https://www.2carpros.com/articles/how-an-electric-cooling-fan-works
https://www.2carpros.com/articles/how-a-radiator-works

A stuck thermostat can overheat an engine in a short period of time. Check for noticeable temperature difference between the upper and lower radiator hose. A stuck thermostat will prevent coolant from flowing and you will have one of the hose significantly warm and over one relatively cool.

https://www.2carpros.com/articles/how-an-engine-thermostat-works

A defective water pump will not circulate the coolant thru the engine properly and will over heat the engine.

https://www.2carpros.com/articles/symptoms-of-a-bad-water-pump

Please let me know of any questions.

Thank you.
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Thursday, August 19th, 2021 AT 1:55 PM

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