over heating

Asked by Apr 09, 2017 at 05:53 PM about the 2004 Chevrolet Monte Carlo LS FWD

Question type: Maintenance & Repair

Car over heats n sometimes shutoff when it's cold
replaced thermostat n head gaskets runs good
except I have to pull over n put more anti freeze bc
it over heats to the red I use 4 gallons a weak it's
leaking from the top by the thermostat

14 Answers

87,075

You may need a new thermostat housing. Got to stop the leak. Also you probably didn't purge the cooling system from the air pockets. Cooling system needs to be purged. Check this sight out on how to do this... www.youtube.com/watch?v=xeTgmdRkQtY

2 people found this helpful.

Is it expensive?

87,075

No it is not expensive.

1 people found this helpful.

OK I'm a woman and don't want to be taken advantage of I appreciate your help it's so weird my car ran fine until I let a mechanic do the spark plugs n he never did the wires so it reads misfire 1

And my car is cold the heater doesn't work

87,075

The thermostat would take care of the heat. But there are a lot of other reasons for a miss fire, was that taken care of? If you had brought it to a shop for a tune up, depending on what caused the miss, if it was not hard to define, they should have only charged you for the parts. But that is my practice to do.

So the misfire is the reason why my car was shaking in the begging then it started blowing cold when it got cold so I'm just confused bc the prices are outrages

120,085

You are risking ruining your engine so I recommend spending the money to have a pro fix the problem.

87,075

Yes the miss fire was the cause of the engine shaking. The thermostat would be the problem for heat if you notice the engine not getting to operating temperature.

OK ty so much going to a chevy dealership mechanic

can i use water not anti freeze since its leaking n found out its the coolant temp sensor ordered the part

87,075

Yes, just drain it down to get a 50/50 mix back into it once the leak is fixed.

wait what???? lol drain it 50/50?

87,075

Your putting water into the cooling system. So when you fix the leak drain the system down so you have anti freeze back in it. A 50/50 mix. 1/2 water, 1/2 anti freeze. This raises the boiling point of the coolant, and prevents rust build up in the cooling system.

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