No heat, blend door not moving - JeepForum.com
 
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post #1 of 8 Old 12-06-2018, 11:55 AM Thread Starter
Jleal
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2010 Liberty Sport. I went to use the heater the other day and only got cold air. I jumped on this forum and found a library of no heat posts, read a handful and decided to check out the blend door actuator. I quickly confirmed that the heat blend door actuator wasn't moving when heat was adjusted. So I peeled the tape back on the wiring harness and was able to swap the plug for the vent for actuator with that for the heat blend actuator. After doing so I adjusted both knobs and while under the control of the vent knob, the heat blend door actuator works. Under heat knob control the vent selector door now doesn't work. This leads me to believe that the heat control knob or something in the hvac control unit is bad. It's there any way to test the hvac controls? Does anybody have a pinout for the controller? Any help/advice is appreciated.
Thanks

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post #2 of 8 Old 12-12-2018, 05:22 PM
Chereveco
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This is what you need....

Regards,

Sent from my VTR-L09 using Tapatalk

Neil Cordoba de Jongh
Costa Rica
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post #3 of 8 Old 12-15-2018, 05:51 PM Thread Starter
Jleal
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Quote:
Originally Posted by Chereveco View Post
This is what you need....

Regards,

Sent from my VTR-L09 using Tapatalk

Is this the blend door actuator?

I ended up ordering a replacement climate control off of ebay. It came today and I tried it out. After I plugged it in and tried to adjust the heat, it opened the blend door to full heat but then wouldn't adjust back. I unplugged the unit and plugged in my original unit to see if I could get it off of full heat. It adjusted back to full cool and now it is working properly allowing me to adjust the temp, weird.
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post #4 of 8 Old 12-15-2018, 08:08 PM
Chereveco
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Yeap, it is...

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Neil Cordoba de Jongh
Costa Rica
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post #5 of 8 Old 12-19-2018, 10:36 AM
brian-mcBride
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Hi!
i have also place a order at eBay for the same and received on time but after all i am not happy coz couldn't adjust properly.

if anyone fro you have suggestion please share with me. thanks...........
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post #6 of 8 Old 08-11-2019, 01:42 AM
DragoneFire
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I am looking for detailed instructions on how to change these parts out. There are 3 of them, 2 near the driver, one near the HVAC unit behind glovebox. Mine is the same, all cold, no heat. Parts are $40 a pop, so $120 of course to change the 3 which is what i want to do so i get the right one change out, Jeep has 130K on it anyway, might as well change them all. If you find instructions on how to get access to them, please let me know.
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post #7 of 8 Old 08-12-2019, 05:56 AM
lfhoward
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Read through this thread for instructions on how to change out the mode door and blend door.
http://www.lostjeeps.com/forum/phpBB...?f=104&t=82363

2008 Liberty Sport 4x4 Automatic
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post #8 of 8 Old 08-12-2019, 10:30 AM
Chereveco
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Hi, there,

I replaced the actuator, just because I had a new OEM, in my hand, but I didn't feel any difference; Only a little warm output, and only after a while driving the Jeep, so I still, no resolution on that one, I have to confess that in Costa Rica where I live not having heater of full heater, is not a big deal. The drive on the higher slopes is easy, just turn A/C button off, and the heat that comes irradiated from the engine bay keeps the cockpit somewhat warm, ( last time it was at 11 Fahrenheit over "El Cerro de la muerte" or Dead man peak ); some times to the needing of some cold air coming from the outside, to refresh the interior....

Regards,
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