car overheats then goes back to normal

Sometimes when it creeps up towards hot it only stays there for a few seconds and then back down. Questions Chevrolet Chevrolet Monte Carlo.

What Happens When Your Engine Overheats Rick Hendrick Chevrolet Duluth

The radiator or block may be clogged.

. New thermostat installed rad flushed new cooling fan relayand new rad cap. 2001 Chevrolet Monte Carlo. Ben Davis February 23 2021 If the thermostat fails to open the coolant does not flow to the radiator where it would under normal circumstances be cooled and drawn back into the engine to absorb more heat get pumped back into the radiator to be cooled and drawn back into the engine again.

Overheats then goes back to normal in 20 seconds. The most likely cause for a car to overheat and then go back to normal is a faulty thermostat thats not exchanging heat within the engine very well. When the engine begins overheating the car temperature gauge can go hot then return to normal.

Temp guage will rise to 34 or higher then fall then rise then fall and so on. Even though it was never really over heating. Air bubbles in the cooling system can also cause issues.

Lighten the load and back off the gas. You stated that the car overheats when stopped and goes back to normal once you get moving. But then i was driving on highway and needle suddenly past the middle on temp gauge up to 3 quarters then went back to normal and i drove after that couple month after that with no problem.

1 week later car overheats. That crack would expand and allow air bubbles in. Why does my car overheat then go back to normal.

No antifreeze leeaks nothing. If the belt is loose frayed or missing replace it. Ok for a few days then interior engine guage gets to red then gets back to normal both farily quickly.

Overheating overheats then drops back to normalthen overheats againthen back to normal. After the 1980s most cars that have been manufactured have a closed-circuit type of cooling system with a reservoir tank that features a visible marking to. If I put strain on the engine like go up a big hill it starts to overh.

Reverse flush the cooling system and fill with fresh coolant. If I go over 50 it overheats. Had mechanic change thermostate.

Yesterday same thing. Jump to Latest Follow 1 - 10 of 10 Posts. So rocker screw broke 6 wks ago repaired.

Up to 20 cash back my 2003 jetta wagon has 74000 miles. By accident I had someone start the car while I was watching and woosh a blast of coolant. Low coolant can cause overheating.

A loose fan belt can result in overheating. The heat stops working and car overheats then goes back to normal etc. Car will run perfectly for a day or two then will decide to overheat.

Replacing the thermostat should solve this problem. It just started to overheat. Only use the specified type of antifreeze to top off the system.

So after about 20 minutes of normal city driving my car will start to make a bit of a low humming sound Nothing that would concern me on its own as it does this the thermostat starts to creep up and then it goes back down to a normal position. Thats what would cause the car to go from normal temperature to overheating. Ok so my temp gauge is fluctuating sometimes alot more then some it goes all the way up to overheat then goes back down to normal i just replaced thermo stat burped the radiator then a little bit ago it started fluctuating alot more and now when i get done driving it theres alot of antifreeze in the overflow tank and i can see that it comes out.

190 is normal temp for driving. That points to a lack of airflow through the rad when the car is hot take a look at the main cooling fan. Car overheats for like 20 sec then goes back to normal.

Any of the above causes for overheating on short trips. The car is overloaded or being driven too hard. If the fan is driven by a belt check the belt.

It should be spinning so fast that you can clearly feel the breeze from it standing on the drivers side of the engine compartment.

How To Troubleshoot Car Overheating Causes Yourmechanic Advice

Car Overheating Then Going Back To Normal Solved