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Old 01-23-2023, 07:27 PM   #1
vpctec
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Heater Core

Good evening,

I've owned five Jeep Wranglers over the past thirty years. My last two recent Jeep Wrangler Sahara's - 2010 & 2012, both heater cores went out on me. Same exact issue with both - only blows luke warm air to the passenger side and cold air to the driver's side.

I've tried to do some research, but unable to really track down.

Is this a known issue with Jeep Wranglers through certain years?

Your feedback is greatly appreciated.

Thank you,
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Old 01-23-2023, 07:57 PM   #2
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Re: Heater Core

Have you tried back flushing the heater core?
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Old 01-23-2023, 08:25 PM   #3
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Re: Heater Core

Hi Aleekat,

Unfortunately, I don't have a Mechanic's skillset and or the knowledge to answer your question with much confidence.

From what I remember, the dealership did try a back flushing on the 2010, but that didn't help.

I ended up trading it in(not because of the heater core) for the 2012 that we currently have.

Was hoping not to run into the same issue, but unfortunately we have.

I don't know what the general life expectency of a heater core is and maybe it's just that - end of life.

I've just never ran into this issue with any other vehicle.

Thanks,
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Old 01-24-2023, 03:59 AM   #4
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Re: Heater Core

Heatertreater.net

they show you how to fix blend doors yourself
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Old 01-28-2023, 11:17 PM   #5
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Re: Heater Core

As brcidd mentioned it likely isn't heater core but blend doors.

There is a box underneath the dash that controls how much heat and where it goes; on our 2011-ish liberty, we had similar issues.

Replacing requires removal of the dash so it's not cheap; the unscrupulous dealer we took it to said they replaced the unit but they did not... so if it is not a DIY item for you, make sure to find a trustworthy repair shop to do the work.
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Old 01-30-2023, 09:49 PM   #6
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Re: Heater Core

Quote:
Originally Posted by fredjacksonsan View Post
As brcidd mentioned it likely isn't heater core but blend doors.

There is a box underneath the dash that controls how much heat and where it goes; on our 2011-ish liberty, we had similar issues.

Replacing requires removal of the dash so it's not cheap; the unscrupulous dealer we took it to said they replaced the unit but they did not... so if it is not a DIY item for you, make sure to find a trustworthy repair shop to do the work.
Thank you sir. I will definitley keep these mind. Appreciate.
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