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Overheating


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mrovet
New User

Sep 3, 2017, 3:14 PM

Post #1 of 6 (209 views)
Overheating Sign In

My 2012 Dodge Journey (2.4 L engine, approx 90000 KM) overheated yesterday just as I was getting close to home. I had topped off the coolant earlier in the day as I knew I had a minor leak and the temperature gauge was getting high. The car was driving fine for 30 minutes after that and then got hot pretty quickly.

This morning I opened my radiator cap and did a cold start. I let the car heat up. I didn't see any bubbling in the radiator. There is no milky substance on the oil cap or dipstick and no white smoke coming out of the exhaust.

What is happening is that the engine light is on and the car isn't blowing hot air even with the heat on.

Coolant levels look ok.

Just wondering if my problem might be the leak getting worse than I thought, a faulty radiator cap or is it something else?

Thank you


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Sep 3, 2017, 3:31 PM

Post #2 of 6 (203 views)
Re: Overheating Sign In

Your coolant is still low and you have air pockets in the system. That's why you have no heat.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



mrovet
New User

Sep 3, 2017, 3:56 PM

Post #3 of 6 (193 views)
Re: Overheating Sign In

Thank you.

How would air have gotten into the system? Through the leak? Could it have happened when I was topping off the coolant?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Sep 3, 2017, 4:02 PM

Post #4 of 6 (189 views)
Re: Overheating Sign In

Air is merely the absence of coolant. You lost it through leaks and over heating. You just haven't gotten it completely full yet.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



mrovet
New User

Sep 3, 2017, 5:23 PM

Post #5 of 6 (183 views)
Re: Overheating Sign In

So if I find and repair the leak and top off the coolant more, it should be good?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Sep 3, 2017, 5:26 PM

Post #6 of 6 (181 views)
Re: Overheating Sign In

Topping off the system is more than just filling it. You have to burp the air out somehow. We use a vacuum fill system to do that.

That's not saying you don't have internal damage either. Time will tell on that.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.







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