Verifying heater core

[yippee]

I'm wanting to run some symptoms past you guys and try to verify it is my heater core before ordering a new heater core and tearing the dash apart.

The heater is still working as far as I can tell (I don't use it much).
I have not noticed any wet or soggy carpet in the passenger floorboard.
I have not noticed any coolant dripping or running down the inside of the firewall.
(I need to check any hoses or connections on the outside of the firewall).

When I first turn the heater on I get a definite whiff of antifreeze.
I have heard what I would describe as "running water" in the dash.
I would say there is a "film" or "fog" on the windshield.
I have been having to top off the coolant level on a fairly regular basis.
(I have looked for coolant leaks (haven't seen any), but haven't thoroughly searched them out yet. Haven't noticed any signs of a head gasket at this point).

I just wanted to see if this sounded like a heater core to you, or not.

 

[teeje]

Sounds like it's clogged. You can flush it relatively easy but you have to be careful. Too much pressure and she'll pop. Either that or you have air in the system...lots of air

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[tommudd]

Sounds like heater core if getting a film on the windshield , and some antifreeze smell

 

[yippee]

Can you flush it with it still on the Jeep or do I still need to remove it for that?

How do you bleed the system on these? I don't think I have air in the system, but it never hurts to check.

I'm pretty sure there is a film on the windshield. When i put a new sticker on the window i cleaned the window where the sticker goes so it would stick properly. There was a definite film, and you can see the clean spot. I suppose I need to clean the whole windshield and see if it comes back.

 

[rjkj2005]

Sounds like it's time for a heater core. Get it before it makes a mess

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