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HVAC Temperature Knob Hard to Turn on Mitsubishi Outlander

Problem Description and Possible Solution

The heating, ventilation and AC (HVAC) temperature control knob may be hard to turn. Mitsubishi Motors has released a service bulletin out outlining the necessary repairs. Repairs involve installing a new air blend door lever and link, lubing the blend door track, and installing a filter on top of the blower motor housing to prevent entry of dirt and debris. If the temperature control assembly has been damaged it will require replacement also.

Problem Data
RepairPal Verified
Average mileage: 99,688 (10,000–185,000)
5 model years affected: 2003, 2004, 2005, 2006, more2007
105 people reported this problem
Viewing 1 - 20 of 67 comments
Same problem.

Here is the service bulletin with instructions to fix it and parts needed.

http://ww2.justanswer.com/uploads/superbovine/2011-06-04_225851_52004549.pdf
Heater/AC temperature control knob has always been hard to turn, and progressed to the point I broke the knob shaft when trying to adjust the AC temperature setting. Thus I'm now unable to change the temp from AC to heater. I tried pliers but couldn't grip the remaining shaft tight enough to adjust the setting. I'm open to any suggestions on how to fix this problem.
Broken temp knob like everyone else. You think Mitsubishi would take care of this being such a common problem. But that would be the right thing to do and NONE of the auto makers can seem to do the right thnig!!!
broke knob right off when trying to turn
knob broke off always hard to turn. looking for used unit but its $1000 bucks used and not installed.Mitsubishi needs to come clean on this.
was always hard to turn but now can not switch from ac to heat
my ac / heater blend knob was hard to turn and I ended up breaking the shaft the knob connects to. I was able to find thru searching the web a fix I found out Mitsubishi has replacement gears to replace on the heater blend door. I was able to buy form my Mitsubishi dealer the replacement gears for $28 and todo the repair my self was super easy. the gear are located on the drivers side under the dash next to the gas pedal to small screws and two wire connections. I need to replace my controller but haven't found it cheap enough in a self serve auto yard yet. but I highly recommend to pull out you controller and lube the gears on the controller too. again another easy fix just pull all three knobs and to small scews
The A/C control it's hard to turn on, the ventilation come in out very warm, and in a few second feel the ac works good but sudenly stop the fresh air,and start to feel hot again and again. I need to know what's the problem with mi car. The a/c fan some time works and somet time it doesn.t but the temperature indicator les than an half. The temperature I have no problem. Only in A/C on.
temperature knob hard to turn in shop now hope he can fix it
Bulletin Number: 455003 Bulletin Date: 20040301 Category: 138130 VISIBILITY:DEFROSTER/DEFOGGER SYSTEM:WINDSHIELD:CONTROLS/WIRING
Summary: HEATER TEMPERATURE DIAL HARD TO TURN. *TT

Hav had no repairs done at this time.
hvac knob difficult to turn
You need the strength of Hercules to turn the dial. I swear I'm going to break my fingers every time I try to turn it. We bought the car used in April 2011 & hadn't needed to use the heat before the 5 month extended warranty that we paid for at the car dealership was up.
Same Exact problem as this post. Could not have written any different than is explained as follows:
Running heater or AC would erratically produce a horrible loud noise from the glove compartment area. I removed the glove compartment and surrounding containment parts and found the blower and filter assembly. I removed the blower motor (easy) and the fan from the motor and found a fine layer of black dust. My first thought was bad bearings (BTW I know nothing about cars). I sprayed some WD-40 in the moving parts of the motor and replaced the fan. I reinstalled the blower motor and we had not noise for 2-3 months. Now making noise again so I'm shopping for a blower motor for a 2007 Mitsubishi Outlander but all websites showing pictures show a different blower motor than the one I'm replacing. I can't find the one that was in my care anywhere, nor can I find any info advising of a change or model number. The model number from the sticker on the motor is CSA431D214A and Made in Japan by Mitsubishi Heavy Industries, LTD. A Google search for that model number only returns a few hits and they are all European. My car was manufactured in March of 2007 and the blower motor shows a manufacture date of February 2007. I don't want to pay a dealer for such an easy part to replace but I'm not sure how to find the right motor.
The search continues

ME:Going to dealer Will follow up on results
Replaced with after-market control knob.
Could not turn the temperature knob. When pressure was applied to twist it, it then felt like it gave way. I have not had heat since.
Well the temperature knob on my control panel broke off because it was so hard to turn 3 years ago I had the same problem it broke off and I had to put a whole new control panel in and a new wiring harness cost me hundreds of dollars and it did it again not even a year later and now I've got to pay to go have it fixed again I think miss you be she should be paying to have this fixed my problem was not fix it still happened and that if I pay again I've got to get it done again and it'll do the same thing again I have no heat in my car its cold my window doesn't go up all the way and miss you be she wants to charge me like $307 to fix it and I think that since they have all these problems they need to be the one fixing it so my problem was not fixed
The knob for heat got stuck and when I forced it it broke off
the knob u have to push in as u turn from air conditioner and as it was being turned, the knob piece broke off so there inside u see a 4 sided little white tried to move with screw driver.it worked last yr ,then worked again turning to air conditioner now as i try to once again turn with screw driver it wont budge costs was told for new knob would betore placed whole unit 500 bucks !!!! it works .. heat works just need new knob for turning it what suggestions do u have please ??
Need immense hand strength to turn temp control knob
I have bought the heater control assembly, and the whole time the problem was the gears.