Overheating

Tiny
300CHRYSLER
  • MEMBER
  • 2005 CHRYSLER 300
  • 3.5L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 209,312 MILES
So, I came across a problem that the water pump was leaking. So, my husband changed the water pump, thermostat, timing belt, and we did a motor flush and used Blue Devil head sealer just in case. One week worked fine, never overheated, not even before the water pump issue. Never marked on the gauge overheating, but today one week after working fine my car gauge went more than halfway up and fast. So, I pulled over letting the engine cool down. I added water and I heard a gurgling sound and water from the radiator drain plug was leaking. I bought the cap I haven't put it on yet. Should I buy a radiator or what can you recommend me? I know it's an old car but I'm trying to save my car a little longer.
Sunday, January 9th, 2022 AT 10:44 AM

15 Replies

Tiny
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  • MECHANIC
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Hello,

So, was the engine low on coolant?

If you have a leak and the coolant gets low, it will overheat.

https://www.2carpros.com/articles/engine-overheating-or-running-hot

You said the radiator is leaking, right? Where is it leaking from? Or was the coolant coming out of the radiator cap?

If the coolant was coming out of the cap, then replacing the cap should take care of the issue. As it is possible that the old cap just malfunctions and is not able to hold pressure.

The radiator drain plug is at the bottom of the radiator. Is what is leaking or is it the cap?

Please clarify this for me and we will see what should be done.
Thank you.

https://www.2carpros.com/articles/vehicle-bubbling-noise
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Sunday, January 9th, 2022 AT 2:39 PM
Tiny
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  • 41 POSTS
Well, I see water coming out from the front bottom passenger side but towards the radiator the drain plug and also the water reservoir tank.
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Sunday, January 9th, 2022 AT 2:45 PM
Tiny
300CHRYSLER
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  • 41 POSTS
If you like I can take pictures of my car.
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Sunday, January 9th, 2022 AT 2:46 PM
Tiny
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Yes, upload some pictures. That will be helpful.
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Sunday, January 9th, 2022 AT 5:22 PM
Tiny
300CHRYSLER
  • MEMBER
  • 41 POSTS
I did my best to take the pictures but maybe you can get an idea where the leak is coming from. If you can see the white stuff splashed on the water tank, I do not know what that is.
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Monday, January 10th, 2022 AT 2:13 AM
Tiny
300CHRYSLER
  • MEMBER
  • 41 POSTS
Can I just run the car with no thermostat or must I keep on my car?
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Monday, January 10th, 2022 AT 2:18 AM
Tiny
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So, did you put a new cap on the overflow tank?
The white residue is likely just coolant.

If you run with no thermostat the engine will not get warm enough to have the heater work properly.
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Monday, January 10th, 2022 AT 9:39 AM
Tiny
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  • MEMBER
  • 41 POSTS
Okay, so I did a radiator flush and I put a new cap on. I'm on the drive test right now hopefully no overheating, but I did tighten the draincock. It was a little loose and the upper radiator hose was kind of loose. So, I tightened them and will see right now. I will keep you posted.
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Monday, January 10th, 2022 AT 10:26 AM
Tiny
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Let me know how it goes with the 300.

As for the Acura I would be happy to assist.
But since this is a different vehicle please open a new thread.

Just go to this link and open the new question:

https://www.2carpros.com/questions/new

Thank you.
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Monday, January 10th, 2022 AT 11:41 AM
Tiny
300CHRYSLER
  • MEMBER
  • 41 POSTS
So, my car started to do this it wasn't overheating, it was half ways the normal I popped the hood and this was the best I could get. So please try to watch it and hope fully you can tell me I'm thinking maybe the upper radiator hose and the radiator itself.
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Monday, January 10th, 2022 AT 7:04 PM
Tiny
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From the video it does appear to be leaking from the upper radiator hose.
So, the first step would be to remove the hose and inspect that end. It could have a split or hole on the end there.
Keep in mind to only work on it when the engine is cool.

https://www.2carpros.com/articles/replace-radiator-hoses
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Monday, January 10th, 2022 AT 9:35 PM
Tiny
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So, I did check the hose and I didn't see no damage but I did felt the radiator with 2 little holes I can't see it but I felt it so I am going to have to buy a new radiator and hose and hopefully that can solve my problems.
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Wednesday, January 12th, 2022 AT 9:42 AM
Tiny
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Yes, from the video it appears either from the base of the hose or just below. Small hole that coolant comes out.
Let me know how it goes or if you have any questions.
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Wednesday, January 12th, 2022 AT 10:16 AM
Tiny
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Thanks, to your guidance I was able to confirm the problem I bought the radiator installed and so far, my car feels back to normal. Thanks
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Wednesday, January 12th, 2022 AT 2:57 PM
Tiny
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You are welcome.
That is great news. Glad that it is normal.
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Wednesday, January 12th, 2022 AT 5:29 PM

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