The car is overheating?

CHRISTIAN JORDAN

MEMBER
2010 DODGE CHARGER
5.7L
V8
2WD
AUTOMATIC
197,000 MILES

The car start overheating a couple days ago, I changed the thermostat and did some bleed on it since it was still overheating. The water pump is also not that old I’ll say probably like 4-5 months old and same thing with the radiator is probably around 1 year old, also no leaks anywhere.

3 Replies

KEN L

MASTER CERTIFIED MECHANIC
47,643 POSTS

When the engine is overheating are the radiator cooling fans on? If not, most of the time the radiator fan motor will be bad, but we should check the fuses that power the fan, here is a guide on overheating so you can see what's going on:

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

We need to check fuse #12 and #15 in the IPM. Also, the radiator fan relay is integrated into the IPM. Here are the wiring diagrams for how the cooling fan works. Check out the images (below). Please upload pictures or videos in your response of any problems so we can see what to help you with.

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Monday, September 23rd, 2024 AT 11:28 AM

CHRISTIAN JORDAN

MEMBER
2 POSTS

Yeah, the fans work fine and is also a new fan that I put on yesterday, but it still overheats also I did check the relays, and they seem fine. I don’t see them burn or crack or anything like that.

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Monday, September 23rd, 2024 AT 2:21 PM

KEN L

MASTER CERTIFIED MECHANIC
47,643 POSTS

That leaves the radiator or a blown head gasket. I would check for the blown head gasket first and if it is okay pull the radiator for inspection. Chances are it will need to be replaced, please go over the guide above for more information here is how to check the head gasket.

https://www.2carpros.com/articles/head-gasket-blown-test

There is a chance the water pump impeller has fallen off but it is rare. Here is how to replace the radiator. Check out the images (below). Please let us know what happens.

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