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#4609489 - 12/20/17 05:06 PM 2006 Chrysler 300 Limited
jeep58 Offline

Registered: 02/06/09
Posts: 42
Loc: ny
I have this car with dual climate control, Today turn on the heat heat and one side is ice cold other side is hot both temp control knobs are on high. Look on the internet some say its the heat blend door actuator but the sir comes out where ever you point the knob too ie: floor defrost etc. any ideas ?

#4609506 - 12/20/17 05:30 PM Re: 2006 Chrysler 300 Limited [Re: jeep58]
Dave9 Offline

Registered: 08/28/17
Posts: 171
Loc: Cincinnati, USA
Don't know about a Chrysler 300 specifically, but on many vehicles the blend door is an electric motor while the vent selection is vac based. This means where the air comes out doesn't necessarily mean anything. Again none of my info is Chrysler 300 specific.

I'd tear the dash down to the blend door for the side that isn't working right, pull the electrical plug and confirm it's getting power when it should change state with the dash controls. Could be wiring, more likely motor, or the door shaft could have broken off. Doorman makes replacement doors for some vehicles and depending on how it needs to be pulled out, might have a repair kit that's usually just including some foil tape to hold it together if it has to be cut to pull the blend door out.

#4609574 - 12/20/17 06:47 PM Re: 2006 Chrysler 300 Limited [Re: jeep58]
mk378 Offline

Registered: 09/27/15
Posts: 1414
Loc: USA
First confirm that the cooling system is full before tearing anything down.

The control panel and motor system should have a self test mode.

#4609605 - 12/20/17 07:12 PM Re: 2006 Chrysler 300 Limited [Re: jeep58]
Nick1994 Offline

Registered: 02/19/13
Posts: 10097
Loc: Phoenix, AZ
There's likely multiple electric motors, and the temperature one for the cold side is bad.

My grandparent's Trailblazer basically does the same thing. But when we need heat I just turn off the drivers side vents manually and point the passenger ones over toward the drivers side. Works good enough.
2015 Hyundai Sonata 2.4L 79k PU 5w30 & OEM
2000 Toyota Camry 2.2L 228k M1 AFE 0w30 & Wix
1996 Jeep Cherokee 4.0L 146k M1 HM 10w40 & Fram Ultra

#4609669 - 12/20/17 08:10 PM Re: 2006 Chrysler 300 Limited [Re: jeep58]
jeep58 Offline

Registered: 02/06/09
Posts: 42
Loc: ny
Thanks thinking yes it may be a bad motor,and yes it is full of antifreeze.

#4610671 - 12/21/17 09:19 PM Re: 2006 Chrysler 300 Limited [Re: jeep58]
jeep58 Offline

Registered: 02/06/09
Posts: 42
Loc: ny
Problem solved Had to re calibrate the climate control unit, took it out and unplugged the unit wait 30 seconds and plug back in worked, dealer will do it for you with a star scan tool, reading on internet found a way around it one win for consumer!