Description: This is how to find and fix a common AC. I have lots of cold air comming out of the passenger side vents on my 98 STS. I could understand the dual climate theory of a flapper door being stuck or something. I have a 2002 745i with about 150K miles. Hey guys this is strange but I noticed today that my ac is blowing really cold air only out of the passenger side vents and semi cool air to room temp out of the driver side vents. Search millions of jobs and get the inside scoop on companies with employee reviews, personalized salary tools, and more. They started life based on the German designed 2. The back vent and the drivers side foot vents also blow cold air. The driver side vents are blowing cool (not cold) and the passenger side is blowing HOT. ) yields the same result; much cooler air on the passenger side. This is especially the case after the truck has been sitting for several hours and more so when the truck is sitting in direct sun. The problem was Mom on the passenger side was aiming the cold air away from her and the cold air was blowing onto the temp sensor triggering it to blow warm on her side only. and will blow cold on passenger side, it does it. The thing is that I pulled out the 3 fuses related to the AC System (#1, #42 and #F5) for about an hour. a/c blowing heat on driver side and cold on pass Intrigue Car Forums a/c blowing heat on driver side and cold on pass - Car Forums and Automotive Chat Automotive Forums. Your system has two of these actuators, one for each side of your dash vents. Out of 4 vents on the front dash (1 at each window and 2 in the center console) the 2 that are on the drivers (window and one center console) side blow warm air when the air coming from the passenger side vents is cold, like it should be with the A/C running. The Actuator is usually located deep in the dash and attached to the hot/cold blend door. The potential reasons will be: 1. I had this problem 2013 Dodge caravan of AC on driver side while the passenger side blows heat. I removed the glove box and the bottom protector but when I changed from heat. Ive taken it to dodge and they flushed my coolant which did nothing. The problem I met is that only passenger side blows out cool air. The A/C in my '03 is blowing cold from the driver's side but not so cold from the passenger's side. Any ideas on what might cause this?. If you have to remove it drop glove box door and you will see it on your left. Miata Noises, Squeaks, & Sounds. I have an '06 EXL V6 6mt with a similar driver side hot air problem, but no control problems. The passenger side was not blowing consistently cold air. Squeezed trigger on can and every 3-4 seconds turned upside down and back upright. This means that the ability to write new posts and access various member features will go away. it is correct to say the diverted gets out of sync. The quantity of air varies with the fan speed, but the air is dead cold on the passenger side. Packed with the trends, news & links you need to be smart, informed, and ahead of the curve. Subject: Re: FAQ: Warm/Hot Air on Drivers Side, Cold on Passenger Side Tue Jun 19, 2012 10:19 am who knows. Heat on passenger side only-- 99 Park Ave was created by lifeinhd I have a 1999 Buick Park Avenue (Ultra if that matters), which has a completely computer controlled HVAC system. Sometimes when the vehicle is cold and warms up, the defroster stays freezing cold until I turn the heater off and turn it on again, then it will blow heat. The driver side of the vehicle got progressively hotter while the passenger side stayed much cool -- but not fully cold. Even if you do not have dual-zone controls, there still may be two separate doors and motors to control the side separately. I'm assuming that it can't really be a cooling gas issue, since I would. AC blows hot air drivers side-actuator replaced twice Anyone have any ideas, this is the 3rd time my Envoy will be going to the dealer for the AC blowing hot air on the drivers side. Hey all, I've got an 09 WRX wagon, and as of this afternoon the air conditioning is only coming out cold on the passenger side. Read more on this subject if you plan on finding a mechanic to recharge the car air-conditioning. Hello, I have got a heater problem with my 2008 dodge Avenger R/T. The drivers side still blows cold but I almost always have the kids in the back. Hiring? Post a job for free. Then when I. passenger heat vent blows cold. Only been roughly a week and now I am back to warm air on drivers side and cold air on passenger side! I personally think that my repair of the evaporator was not required, as I still had cold air on passenger side. Q: When I turn the AC on , only the passengers air vents blow cold & the drivers vents blow hot air. Extraordinarily durable Benjamin Moore paint and exterior stain ensure exactly that. A wet carpet is not the only sign of water leaking in a car. Sometimes the AC light flashes and doesn't work at all. The AC blows nice and cold on the passenger side, but no cold air blows from the driver side. AC Blows Cold on Driver Side, Warm on Passenger Side! Wife usually drives with only the kids and she mentioned our oldest was complaining about the AC not being cold. If you have an idea of where the water is getting into the car, check for water marks, stains, or even signs of rust. Once it starts blowing heat, it seems to continue until I park for a while. It's just odd cuz when I checked with my calibrated thermometer there was about a 10 to 15 degree difference between the left and right. Passenger side and back is fine. Wife was not happy sitting on 6 hours with cold air blowing during the drive with outside temps ranging from -4 to 18 degrees. In my car, the driver's side was only blowing like normal temperature air (not HOT and not COLD, while the passenger side was ice cold. 214, "Side Impact Protection. A/C Blows HOT on Passenger side, COLD on driver side, after dealer service Hello, new member, generally happy owner of early 2009 LTZ (purchased Nov 200 and based in Rabigh, Saudi Arabia (North of Jeddah on Red Sea). > the air conditioner will blow cold air on passenger side, but > blows warm air on the drivers side, what is the problem, do > i have to take the whole dash out to try and resolve. I have a 2014 explorer xlt. Re: Blowing Warm driver side, blowing cold passenger side Post by Moon_Wolf » Sat Dec 07, 2013 6:50 am Steveturbo wrote: They may mean an air bubble in the cooling system. The affected cargo and passenger vehicles have side air bag inflatable curtains that, due to an installation issue, may not deploy properly. A/C Blows Cold on Drivers Side and Hot on Passenger Side Mazda CX-9 Grand Touring 2007 My vehicle just started Blowing Cold on one side and Hot on the other, intermitten at first now it is locked into this condition. If the air conditioner unit is not running normally or is only blowing out warm air, it may be a temporary fault. I suspect the cold air coming out of the passenger side is plenty cold, which would not be possible with a freon leak. The rear vents also started blowing hot air. My husband recently changed the thermostat but that didn't fix it. 5i is having an a/c problem. For example, the reversing valve may be stuck in the wrong position. 2009 - 2014 F150 - 2010 Lariat-Blowing cold air on driver's side - Hi guys, I have a problem with my Lariat blowing cold air on the driver's side. I sometimes hear a loud thud sound when i turn my ac on when i first get in truck. Usually, you can just replace the brushes, and it will be as good as new. Haven't had any issues with air conditioning/heating and this problem just started this week when I finally needed it. it only blows hot air now. Any idea why the drivers side vents don't blow cold?. [24] [25] By 1969, 54% of domestic automobiles were equipped with air conditioning, with the feature needed not only for passenger comfort, but also to increase the. On a 2008 Mountaineer, the top bolt head was right next to another obstruction, so ended up having to use this small ratchet (Neiko Pocket Size Close-Quarters 1/4-Inch Drive Mini Ratcheting Screwdriver and Bit Set) and (TEKTON 2938 Quick-Change Power Nut Driver Bit Set with Detents, 14-Piece. Hi, my 2011 Tiguan is blowing hot air on drivers side and in back seat, but cold air on passenger side. Put new refrigerantworked for 2 weeks 2. Try pulling HVAC fuse inside car for sixty seconds with key on it then reinstall it may reset the actuator. Back seat is blowing about the same as the driver side. I have tried playing around with different settings and variations as advised by my mechanic but still the same. Then it dawned on me that it was the rocker being perfectly centered in the housing that was key, as if it were too far from one side, those contacts were not made up and no power would flow. In short, your compressor is the part that powers coolant through the other parts of your AC system. The passenger side was not blowing consistently cold air. is that the only fix?. Again, while sitting, parked or idling ice cold from both sides. The aircon on the driver side of my near COE expiry car suddenly not blowing cold air. on the front of the passenger-side. it only blows hot air now. Answer: Most common problem is a bad temperature door actuator if it does have dual zone A/C. The passenger side has lost heat, only cold air comes out of the vents. A/C Blowing Hot on Driver, Cold on Passenger Hey I have a '01 Grand Cherokee Limited and just today I tried to turn on the A/C and found that only hot air was coming out of the driver side and middle vents but cold air out of the 2 passenger side vents. This has been an issue with previous model years - if the air mix motor is the issue, it can be fixed in 15 minutes for free. passenger heat vent blows cold. Heater blows hot air from drivers side only. Trans/Air Manufacturing Corporation is an ISO 9001 registered firm, manufacturing a full line of climate control systems for the school, commercial and electric/hybrid vehicle markets. my bmw 645ci 2004 is only blowing cold air from the drivers side when on full heat, the passenger side blows hot air (but not very hot) would this just be a problem with the temperature control switch or could it be something else. I had the same issue with my '16 EX-T. If you crank the temperature knob for the passenger side to "hot" the heat flows out through the vents, but it seems it will not flow cold air from the air conditioner. By using this site, you agree to its use of cookies as provided in our policy. Moving the passenger side climate control slider does nothing also. First you should try to reset it by turning ac on and turning both dials all the way up to 90 and wait for it to get warm, should take 30 seconds and then turn them both back to 60. Turn the ignition on so it registers in the computer then turn it off. , a block heater WON'T do away with the need for antifreeze. Can the "A/C Dessicant Element" be purchased at any place other than the dealer and can it be replaced without discharging the freon?. They ran diagnostics and said all the dampers and everything are operating as they should. To me, if it had a leak, then the ac shouldn't be blowing cold AT ALL. This actuator controls the temperature door for that side. Does not have dual air control. A/C works well both side though, this appears to only be a heat issue. Same thing happened on my 04 H2. The process also reduces moisture in the evaporator’s air-side. DIAGNOSE – A/C SYSTEM DOESN’T BLOW COLD AIR. 2005 Honda Pilot Change Vehicle. Car air conditioning systems that blow warm on one side and cold on the other side usually have one of two problems. Now, like you, the AC blows cold on the passenger side and warm on the driver's side. I suspect one of my blend doors is broke. Check A/C circuit breaker on passenger side kick panel, to right of front seat passengers feet. I bypassed the hot water lines comming into the passenger compartment so that it goes right back into the engine without even entering the passenger compartment, so I know that t. It feels like the A/C is on when in fact it's not, on that side only. DIAGNOSE – A/C SYSTEM DOESN’T BLOW COLD AIR. If you have noticed that your temp controll units are on cold and it is blowing out hot air then there is a good chance that the. My top radiator hose gets hot. Tried disconnecting the battery, checking the position of the controls, fuses, etc. The A/C in my '03 is blowing cold from the driver's side but not so cold from the passenger's side. i have a 2004 gmc 2500 and my ac keeps going from hot to cold on the driver side and stays cold on the passenger side. If I change the temperature switch for driver side to hot it then blows hot lava out my driver vents. A wet carpet is not the only sign of water leaking in a car. A/C is controls are set to max air and max cold on the temp control. up vote 4 down vote favorite. it is correct to say the diverted gets out of sync. When I cycle to heat, both sides are equally hot. (And it does this even when I hit the max A/C button). The 2014 Dodge Grand Caravan has 4 problems reported for a/c blows hot air on passenger side. hot air blows out of the drivers side and cold air blows out of the passenger side. A/C not blowing cold air!!! its so hot in NY where i live right now and it only blows hot air, not getting cold at all. it's loaded car power everything ,even heated seat's. That happened the last two mornings when it was about 75 degrees out. Needless to say it is very hot inside when temps outside exceed 70 degrees. I've tried all the different temp settings and what notit still does it regardlessI thought I might be low on refrigerant so I bought some and toped it off so I know the system is full. If the door doesn't open, the cool air won't get in. How to Remove Driverside/passanger Side Temp Controll Actuators in 04 Chevy Siverado: This instructable is how to remove both driverside and passenager side temp controll actuators in a 04 Chevy Siverado. The volume of air flow is still normal on the drivers side, except it's barely cooler than the outside air (if at all). This is usually caused by a failing or failed Blend Door Actuator. We checked the actuator under the dash and it’s working properly. How to Test Your Air Conditioner Capacitor. Heater blows hot air from drivers side only You are correct in your thinking because there is only one heater core. Feels great, but when you put your hand immediately over the drivers side vent (center dash) it is warm, and it takes a while for it to get cold??? Since the car is dual climate the obvious thing is the make sure that the temps are at same temp, which it was. And the most common reason for the heater only blowing hot air from one side is a faulty actuator. Hey stolls, I just got a letter from GM regarding this very problem with my 04 Avy. In fact, the fan body itself was very cold. If it is, put your hand on the AC lines going into the firewall, one should be warm, the other ice cold, if both are warm, you are low on refrigerant. Q: When I turn the AC on , only the passengers air vents blow cold & the drivers vents blow hot air. I suspect one of my blend doors is broke. Check A/C circuit breaker on passenger side kick panel, to right of front seat passengers feet. I found my a/c only worked on the passenger side (mine was a RHD car) when the a/c gas was low. It said table 15 code A8: electrical thermostat mechanically jammed open. The AC is blowing cold air only on the driver's side. I sometimes hear a loud thud sound when i turn my ac on when i first get in truck. It blows hot on the dirvers side and cold on the passenger side. Then when I. I have a 2004 Lexus ES330 with 129k miles on it. Hiring? Post a job for free. They allow fresh air flow to keep you alert, regardless of the weather. There are two vents on the drivers side and two vents on the passenger side. up vote 4 down vote favorite. They replaced the actuator the first time 2 years ago and it worked until this summer it started blowing hot air again. My car has a manual transmission. No noticeable difference in the volume of air being blown, and all the vents are open. Sometimes the AC light flashes and doesn't work at all. However it started to deteriorate and if you manually switched vents on and off, the airflow didn't always change. But on the passenger and rear vents its blowing normal air as if just the blower was blowing with no ac compressor. what could be the problem 2 Answers. Should be under dash on passenger side. I have a 2005 LT, and the driver's side blows hot air, but the passenger side blows cold air. It usually works fine for a few minutes before it begins blowing hot air. Research the Used 2016 Chrysler Town and Country with our expert reviews and ratings. The dual climate control would both be on the coldest setting but its still blwoing hot air on the passenger side. and will blow cold on passenger side, it does it. It has the 3. 3L V8, when I am driving normally and have the A/C running the drivers side blows out ice cold air conditioning but the passenger side blows out HOT air. I tried all the recommendations through out this thread but the only thing that works was resetting the dials by moving them simultaneously from cold to hot and back again several times while the car is on. , a block heater WON'T do away with the need for antifreeze. The AC blows nice and cold on the passenger side, but no cold air blows from the driver side. it's loaded car power everything ,even heated seat's. It's a 2007 ridgeline with 50k miles. If the vehicle has a dual zone A/C, then the most common problem is a bad temperature door actuator. Even your refrigerator is, in effect, an air conditioner. Update: YA the Mtrix Has 4 vents; 1 on the left side (driverside) 2 in the middle. Drivers Side Blows Cold, Passenger Warm - Or Vise Versa Most of today's cars and trucks have the ability to blow different air temperatures form the drivers and passenger side. The drivers side puts out warm air only. ive had problems with my 1999 buick regal ls air conditioner for some time now. Basically today was a bit cold outside and I turned on the heating, the problem was that the hot air was coming only from the passenger side, while I was freezing to death on my side. Mine blows cold on driver side but warm on passenger side. Driver side was blowing hot and passenger's side was really cold, so I read up, looked up alot of different threads, alot were talking about mode door actuator and going inside the dash, I was all ready to jump in, but i decided to check the basics, I decided to recover the ac and it was low. On heat, both sides are very hot. passenger heat vent blows cold. I'm also thinking that maybe the temp gauge isn't working as well. My driver-side vents ALWAYS blow hot air and my passenger-side vents ALWAYS blow cool/cold air, depending on if I'm running the heater or the A/C. Heater turned up full blast on both sides and passenger side gets cookin and drivers side basically blow room temp vent air. I took it to a local subaru dealership and they are telling me that the evaporator core is leaking and of course this would cost an arm and a leg. The passenger side was not blowing consistently cold air. The temperature are both set to the lowest setting but for some reason on the driver side it's blowing out warm air only. I bypassed the hot water lines comming into the passenger compartment so that it goes right back into the engine without even entering the passenger compartment, so I know that t. What could this be?. when it runs warm then it blows a lil bit warmer. If you have cold air/no heat on the passenger side, the actuator that controls this side requires removal of the entire dash and HVAC assembly. Automotive AC can be one dangerous system to work on. Is you car's air conditioner blowing warm air only and no cool air? Your A/C cooling problem could be caused by any of the following: Your A/C system may have lost its charge of refrigerant. 5" in diameter, it will. I have a 2008 Impala LT and last year I replace the actuator on the passenger side in the glove box and now I have a loud ticking noise on the driver side. Fast forward to a couple of weeks ago and this terrible winter is finally letting up. My 08 Tahoe started blowing hot air from the passenger side vents. The problem is described as a faulty connector which allows moisture over time to enter the blower resitor assembly inside the AC/Heater assembly that will cause the blower to stop working or only work on certain speeds - Scary part there is also a faint burning smell sometimes associated. Fans help blow the cold air through the vents and allow the cooling of the cabin. Defroster isn't working properly either because when I have it on it just blows air out of the regular vents. AC/Heater Problemsdr side cold passenger side hot and vice versa When the A/C is on the driver side is cold, and passenger side is warmwhen the heater is on, driver side blows cool and passenger is warm. The problem I met is that only passenger side blows out cool air. ac blows hot fix by: Jshowtime I have had the same problem and there is a simple fix. The only work that has been done to the ac system was the recharge because it wasn't blowing cold. I was thinking more along the lines of it bleeding outside air in on that side, or air from the heater core from a door that's not fully closing. I had this issue on a cold morning, A/C not involved. The only problem is that since the passenger side is still blowing cold air, the drivers side starts to blow hot air in order to keep the cabin steady. is that the only fix?. Before bringing it into the shop, check out the driver's side air mix motor. was blowing cold on passenger side only and now both side's. AC not blowing cold on driver side. This means that the ability to write new posts and access various member features will go away. Drivers Side Blows Cold, Passenger Warm - Or Vise Versa Most of today's cars and trucks have the ability to blow different air temperatures form the drivers and passenger side. Vacuum Line Routing for Jeep Engines 258 I6 and 304/360/401 V8 in CJ and FSJ One of the most confusing aspects to tuning up an engine from the late 1970's and 1980's is all the early attempts manufacturers made to improve emissions with various vacuum-operated devices. 00 part, plus 10-12 hours of labor. Once exposed to the heat outdoors and started up again, only moved existing air about. Hey all! Been awhile but have an issue. The problem with one side or the other blowing hot when it should've been cold etc, only happened once a week or so. the design of the evaporator core is such that the cold liquid freon enters on the passenger side - and exits on the driver side - this isn't an issue if the freon is fully charged and remains a liquid - but - if low - the passenger side gets liquid freon - and the driver side only gets gaseous freon - -----. That means removing the dash to replace. I have a 2004 Lexus ES330 with 129k miles on it. I did so and now the drivers side blows hot all the time not random like before. Exact same thing happened to my 2011 3. I heard of this with the 04 and older models but haven't heard much about it on the newer models. AC only works on one side - Recently the AC only works on the passenger side of my truck, driver side only blows out heat, even if it's set at A/C. In addition recently my passenger side and rear air condition only blows hot air. Only the drivers side actuator can be accessed from behind the glove box. 4 » Thu Jun 30, 2011 10:15 pm sounds like it could be a blend door stuck, not 100% tho. Hooked up can of AC juice to the LOW side port (passenger side near the fire wall for HemP) 5. My Volvo S60 2006 has 2 controls for passenger and driver side. Should be under dash on passenger side. This has been an issue with previous model years - if the air mix motor is the issue, it can be fixed in 15 minutes for free. I live in Houston, so its HOT! Recently, the driver side A/C vents started blowing warm air (like would blow when the A/C is off), while the passenger side vents continue to blow cool air. what could be the problem 2 Answers it only blows hot air now. Find expert advice along with How To videos and articles, including instructions on how to make, cook, grow, or do almost anything. Thoughts or suggestions would be indeed helpful. If the door doesn't open, the cool air won't get in. Read more Ford reviews to learn about other models. The driver side blows out warm air, just like vent. Any help with this problem would be great!. I can feel a change in the hot side when moving temp to extreme hot & cold. A wet carpet is not the only sign of water leaking in a car. I took it in for an oil change (at GMC) and asked the guy to look at it. If you are getting normal cold air out of driver's side and warm air out of center and passenger vents then you most likely have a bad temperature blend door actuator for the passenger side on the A/C evaporator case. I bypassed the hot water lines comming into the passenger compartment so that it goes right back into the engine without even entering the passenger compartment, so I know that t. 2005 Equinox. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. If the heater/air conditioner fan on a VN-VS only works on some speeds ie; only high speeds, its very likely to be the resistor found under the plastic cover under the windscreen wiper arms. would this be my hvac blend actuator. I have a gen3 (2010 model) and my a/c has been playing up and only works on the passenger side too. 4 L engine (the non-SS model). I have an 03 Impala, and for some reason on the drivers side its blowing cold air while the passenger side is blowing hot air. Blows out cold air on passenger side. Since this only warms the block, and not the radiator, etc. I just can't figure out why the car would start blowing air immediately after I start it. AC blows hot on drivers side and cool on passenger side Post by NicholeRichardson80 » Thu Jun 30, 2011 2:15 am I have a 2007 F-150 Lariat and my AC blows jot on the drivers side and cool on the passengers side. Anyone know what might cause this or how. would this be my hvac blend actuator. 5 OHC (Over Head Cam) engines. With the AC off it will blow very hot air (much hotter than ambient) on the driver side and ambient air on the passenger side, or with the AC on it will blow heated air on the driver side and ice cold on the passenger side. Manufacturer-Distributor of Rugged Ridge, Outland Automotive, Alloy USA, Precision Gear, and ORV product lines. It usually works fine for a few minutes before it begins blowing hot air. They started life based on the German designed 2. When the air conditioner in your 2008 Toyota Sienna starts blowing hot air, you likely have a freon leak. in Land O Lakes, FL on May 22, 2010. Check heater relay on passenger side kick panel. and will blow cold on passenger side, it does it. The only work that has been done to the ac system was the recharge because it wasn't blowing cold. i had the problem fixed a few months ago but the problem has returned. Re: AC blows hot on drivers side and cool on passenger side Post by PointsNorth5. I suspect one of my blend doors is broke. I have a 2008 tundra crew max and my passenger side only blows hot air My driver side blows cool and hot and I've check all the actuators and they are working right and all my fuses are good anyone got ideas what could be causing the passenger to be blowing hot air. Wheel Balancing To keep the tread in constant contact with the road, the wheel and tyre have to be correctly balanced. Blend door is a flap inside the HVAC housing (there are quite a few of them) that controls the direction of air flow and whether the air goes th. I saw a letter in the spring 2011 edition of Fast Times about "A/C blows hot on one side". Put new refrigerantworked for 2 weeks 2. Only been roughly a week and now I am back to warm air on drivers side and cold air on passenger side! I personally think that my repair of the evaporator was not required, as I still had cold air on passenger side. I have a 2004 Chevrolet Tahoe LS 5. Was it blowing cold before the battery was changed? Have you moved the selector to another position (like the floor or defrost) and back again? What year Park Avenue is this? - CharlieRB Jun 30 '17 at 19:21. By Carl O'Reilly. I have seen that some had the same problem on the Discovery II but I have not seen it for the LR3, maybe I have not checked very well too. r134a is insufficient. Talked to my dad's indy friend and he said normal operating pressure for the ac system is 25-30 psi. To my dismay, I noticed my car only blows cold air from the driver's side of the vehicle. My Volvo S60 2006 has 2 controls for passenger and driver side. A leak test was performed and the only place the dye was showing was underneath the vehicle where the drain tube is. The passenger side blows cold ac air but the driver side only blows at my best estimate outside temp air which is pretty hot in phoenix. Symptoms: ac not blowing as cool as it had in the past. toyota forum at Car Dealer Forums; I recently had the dealership changed the air filter of my 2004 Sienna. Update: YA the Mtrix Has 4 vents; 1 on the left side (driverside) 2 in the middle. Hello, I have got a heater problem with my 2008 dodge Avenger R/T. Hello, I have a 2000 Chevy Impala with 76,000 miles. AC blows warm on left side The driver side a/c is blowing air only a slight bit cooler than outside temp. She drove to dinner tonight and I told her the AC wasn't working and I should throw a charge on it. I tried all the recommendations through out this thread but the only thing that works was resetting the dials by moving them simultaneously from cold to hot and back again several times while the car is on. Any ideas?. Same thing happened on my 04 H2. Car is cool in the garage in the morning and AC blows cold both left and right. Driver's side blowing max hot while the passenger side moderated. My driver-side vents ALWAYS blow hot air and my passenger-side vents ALWAYS blow cool/cold air, depending on if I'm running the heater or the A/C. ive had problems with my 1999 buick regal ls air conditioner for some time now. I had this issue on a cold morning, A/C not involved. I live in So Cal so normally this isn't an issue, but while on Christmas trip to Utah we discovered that the passenger side air temp is much much colder than driver side, regardless if running in "sync" or in manual. Only been roughly a week and now I am back to warm air on drivers side and cold air on passenger side! I personally think that my repair of the evaporator was not required, as I still had cold air on passenger side. It recently starting blowing hot air when the a/c is on but it only blows hot air on the drivers side. With the AC off it will blow very hot air (much hotter than ambient) on the driver side and ambient air on the passenger side, or with the AC on it will blow heated air on the driver side and ice cold on the passenger side. In dealing with one specific refrigerant, the enthalpy values depend on the temperatures and pressures in the warm and cold regions. The passenger side still blows cold. It's a 2007 ridgeline with 50k miles. If the air conditioner unit is not running normally or is only blowing out warm air, it may be a temporary fault. I switched the two actuators to see if one was bad, but the same thing happened. driver side vents r blowing warm air while the passenger side is cold. The passenger side blows as strong as the drivers side (in terms of air pressure), however, it's warm/hot air only. A generous 3. Your AC blow cold air out the drivers side but hot out the passengers Why? Why does your 1997 Dodge Grand Caravan blow hot air on the drivers side only and cold on the passenger side?. Get the latest headlines on Wall Street and international economies, money news, personal finance, the stock market indexes including Dow Jones, NASDAQ, and more. On the P38A Range Rovers, there is a warning symbol that may appear on your climate control display. Im having this issue as well, its ice cold on the drivers side but from the middle/passenger side to the passenger window it blows cool even warm air (depending on how hot it is outside. it only blows hot air now. i had the problem fixed a few months ago but the problem has returned. You may even have received the damage to your vehicle due to an attempted theft that went wrong or some mindless act of vandalism while your car was parked on the side of the road. I have seen that some had the same problem on the Discovery II but I have not seen it for the LR3, maybe I have not checked very well too. Compressor is kicking on like it should. For example, the reversing valve may be stuck in the wrong position. I did so and now the drivers side blows hot all the time not random like before. Why does the ac on my 2000 buick lesabre only blow cold on the passenger side? This problem is likely due to a failed part called the blend door, this door has an electric motor drive, to replace it requires the dash be removed form the car entirely. I suspect the cold air coming out of the passenger side is plenty cold, which would not be possible with a freon leak.