2001 cadillac deville ac blowing hot air I live in AZ and the heat is coming. May 11, 2017 · i have 2003 deville and the ac is blowing at least 10 degrees or more warmer on drivers side ice cold on passenger side i have taken drivers side temp actuator off and it seems to be working and i turned the door manually and still have warm air coming thru drivers side also when i flip to I have a 2001 cadillac deville dhs my ac is not getting cold enough to cool the car off . Once it was installed and charged, the cold air was blowing out the defogger/defroster vents atop the dash and not the front vents. Jul 13, 2017 · Why Your Car AC Blows Cold Then Warm What to Check If Your Car AC Blows Cold Then Warm I’ve helped countless drivers figure out why their car AC blows cold then warm, and it’s one of the most frustrating problems you’ll encounter in hot weather. It does'nt matter what I set the ac to, wether its drawn from outside or recurculate, it does'nt change. Hi again. Watch how I patch with c Jan 31, 2020 · Hi All, Wondering if anyone else has had this problem and what the fix for it was. Oct 21, 2024 · This guide provides instructions on how to recharge the Cadillac Air Conditioner system, which uses the R134A refrigerant type. (Lovin' it!) When the heat control is set to full cold, there is always warm air blowing through the heater / AC vents into the interior, even when it's very cool outside (say, mid 50s F) As the AC is working fine, the warm Jun 26, 2014 · Dig through Cadillac Tech Tips for info on your HVAC and air blend/mode doors. No temperature adjustment changes this fact, and it happens with the A/C on or off at all fan speeds. A 2001 Cadillac DeVille is experiencing AC issues, blowing warm air or not functioning at all. We would like to show you a description here but the site won’t allow us. If your Cadillac DeVille isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening. 2005 Cadillac STS CTS DeVille all cars blender motor actuator problem fix Doing This Will Make Your Car's AC Blow Twice as Customer: Auto air conditioner problem. Is this something simple to fix? Jun 22, 2010 · My 2001 Cadillac Deville has about 140,000 miles on it. The hot coolant is pumped through the heater core located behind the dashboard. In this video I explain the most common problem why car vent is blowing uneven air temperature. Oct 27, 2022 · The heating system in DeVille uses hot coolant or antifreeze from the engine block to heat the interior of the vehicle. Apr 2, 2007 · I dont understand what is going on, My 2001 DeVille is blowing hot air on the driver side. Whenever I run the AC my temp gauge begins to go Jun 12, 2020 · My 2005 DeVille has a problem with the AC - only the vents on the drivers side are blowing cold, and the passenger side dash vents are blowing how air. This article is broken down into these three sections to help save you time repairing your DeVille's broken AC system: Aug 11, 2013 · I have a 2001 DHS, everything has been running find until a few days ago. B0429 relates to a fault with the passenger temperature door actuator assembly. 2000 Cadillac Seville, blowing hot air on driver side vents, passenger side blows cool air. The ac had been working fine, but started to blow hour for about 5-10 min and works then start blowing cold again. However, they could not get the compressor to come on. This temperature imbalance not only creates an uncomfortable driving environment but also signals underlying Hey everyone! My name is Leon, I'm an ASE Master Certified Automotive Technician and L1 Engine Performance Specialist from the Atlanta area. :) My mechanic installed a used AC compressor in my 95 DeVille (4. I attributed it to the lovely August heat here in Florida. I assume there's some kind of a seperator for the seperate controls behind the dash. The mode door actuator motor is stuck on vent Jul 10, 2017 · My 2000 Deville has the AC blowing hot on drivers side and cool (not cold) on the passengers side. fixed for free in my driveway. The drivers side blend door actuator motor is operating. Maybe it's something else? Jun 25, 2011 · Hello, My A/C suddenly started blowing hot air, so I took it into the mechanic and they said everything checked out, no leaks, freon was at the right level, all components working and in good order, etc. I get hot and "cool" air in driverside. On a recent road trip, I took Sep 15, 2010 · Cadillac DeVille Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail - 58 reports. The passenger side works fine though. Whats my problem? Aug 2, 2014 · Question from bigjlee9 in Las Vegas, NV | Find answers to your 2001 Cadillac DeVille question from certified mechanics and auto experts. Here's a few you can book directly with. I checked the codes. However, when the fan speed is at full, the driver's side is warm (almost hot) but when I decrease the fan speed, the driver side air vents get a little colder. I never had a problem until now because I never really ran the AC. On the passenger and rear vents are cold air. Had the rad and thermostat and hoses replaced a few months ago because there was a crack that was causing coolant to leak. May 11, 2013 · Suddenly my passenger side A/C is not working. The passenger side was working normally on all ends. If your A/C persists in blowing hot air, it is likely that the aircon system is low on freon. Pull the panel off and look at the hot/cold actuator shown in the picture. When I switch to defroster or floor I get no chages to the air flow. It is entirely possible for your DeVille’s heater to work just fine even when the air conditioner is blowing hot air. If you find my information useful, then go ahead and Jun 21, 2016 · The concern was that the car wasn't blowing cold air, and when I looked at it in the early morning (76 degrees F, 54% humidity) I found that it wasn't blowing cold air out of the drivers side vents but it wouldn't be hot either just warm, but the heat worked if applied. Sep 16, 2022 · Driving your Cadillac DeVille in warmer temperatures with a malfunctioning air conditioning system can quickly become a nuisance when sweltering heat builds up in the cabin. If you're experiencing hot air on the driver side vent and cold air on the passenger side vent this May 2, 2019 · At this point, the blower motor blows air across the it and the newly heated air blows on to the driver and passengers. Cadillac DeVille Heater Not Working: Diagnosis. Jun 18, 2013 · Why is my a/c blowing hot air when I put my a/c on? Was installing a radio yesterday shortly after the air was blowing cold then all of a sudden it started blowing hot air the compressor is on but making funny noise the coolent is almost full. My car blows cold air out the driver side, I can't get heat out of it no matter what I do. A Jun 10, 2014 · After this, the driver side vents still blow warm air while the passenger side vents blow ice cold. IF your car uses vacuum for mode control, check the line that comes from the throttlebody or intake manifold to the upper passenger side of the firewall - a vacuum control line. What might be the issue? What are my options? 2002 Cadillac DeVille ac stuck on defrost. So, my first thought is that it's the motor (actuator) that opens and closes Jul 12, 2014 · On my wifes 03' Yukon the rear air conditioning blows hot air no . Initial checks, such as fuses, were fine, leading to speculation about faulty valves in the AC system. If the heater has stopped working in your DeVille, this process has failed in one way or another. Oct 3, 2022 · There are A LOT of issues that can cause your car's air conditioner to fail. Apr 13, 2022 · The most common causes for AC blowing hot air in Cadillac DeVille are low or overcharged refrigerant, compressor malfunction, dirty condenser or evaporator coils, faulty blend door actuator, defective evaporator temperature sensor, bad AC pressure sensor, and bad fuse or relay. This actuator is not hard to replace, just remove the glove box and you will see the actuator towards the center of the dash. I then turned the rear ac blower on high and the temperature at its coldest setting and the rear ac vents still blows hot air. May 9, 2020 · My 2002 Deville seems to need an air door actuator because it only cools on the passenger side, but blows warm air on the drivers side. The blend door appears to work okay ( I tried with 90 degrees one side and 60 degrees on the other and then reverse), but the passenger side never gets colder than ambient Aug 12, 2011 · The topic of how to perform the actuator recalibration procedure on Chevrolet , GMC and Cadillac Trucks and SUVs has become an ever increasing topic of discussion. I put in r134a and it still not blowing cold so i checked the rear ac vents and it blows hot air and the front dash vents was blowing not cold but cooler air then the rear ac vents. 2001 cadillac deville AC blowing hot air Service AC System message appears Happened when i was driving in some serious rainThanks for that added information. The ac blows cold air from the passenger side vents, but does not blow cold, it started as intermitent, but is now constent. There was a code B0429 stored in the Instrument Panel Module. The actuator will default to hot air when they go bad. Cadillac DeVille – (photo:NHTSA) The most common causes for AC not cooling properly in Cadillac DeVille are low Aug 10, 2009 · When it starts blowing hot it blows HOT and even if I shut the AC off it still vents the hot air into the footwell. Just checking to see if the Jul 25, 2019 · One of the most inconvenient vehicular problems is when the A/C won’t blow cold air. Jul 18, 2020 · Sparky's Answers - 2001 Cadillac Deville DTS, Passenger Side Air Stuck on Cold This 2001 Cadillac DeVille DTS came in with the complaint that the passenger side air was stuck on cold. Any ideas what the problem could be? Customer: 2001 Cadillac deville dts blowing warm on drivers side and cold on passenger side. Tried to diagnose on web and read about a mode accuator (not sure of correct Jul 11, 2008 · I recently bought a 3 door 2000 Sonoma with the 4 banger / 5 speed. When you turn on the heating, air gets blown through the heater core, warming the air in the cabin. (It broke down on a very hot day Mar 12, 2020 · The passenger side of my 2004 Deville blows hot occasionally. Fortunately, troubleshooting why your car AC blows cold then warm isn’t as complicated as it My ac blow hot air but its have freon in it - Cadillac 2001 DeVille question Jan 30, 2025 · AC Blows Cold Driver Side But Hot Air Passenger Side: Complete Diagnosis & Repair Guide Experiencing an air conditioning system that blows cold air on the driver side but hot air on the passenger side represents one of the most perplexing automotive HVAC problems drivers encounter. Driver side gets ice-cold, but passenger side is just recirculating air. There are several causes for AC not blowing cold air in DeVille, which we will go through in this article. Links Below: How to repair plastic HVAC airbox system with cracks in the cover disintegrating into a large hole in the engine bay. Nov 27, 2010 · At random times, it will blow hot air out of the driver side "face" vents, and cold air out of the passenger side vents. 9L V8) yesterday, a new compressor was too cost-prohibitive. Code B0429 is usually caused by a bad rear control actuator and, unless water got to about a foot deep inside the vehicle, should not have anything to do with the A/C shutting down. Got it home and realized the A/C or heater will only blow air from the main console vents. Learn about this problem, why it occurs, and how to fix it. This is the case in all modes, (auto, manual). I frankly always thought it was happening on both sides but today I had the boy in the car and his side was still blowing nice and cool. Good news! We found 4 RepairPal Certified shops near you. The A/C system is a closed-loop type, where the freon cycles throughout the compressor, goes to the condenser and then to the evaporator, and comes back as it cannot escape Jul 17, 2014 · The passenger side vents (panel, floor, defrost) all blow hot air when the A/C is on. I've even removed the motor and manually turned the blend door and can only get "cool" not cold, I also watched the motor turn and it is operating properly. Can anyone help me. I have turned up the passenger side temp and turned it down with no effect. Jul 7, 2010 · This is my first post here. Nov 27, 2024 · To fix air only blowing out of the defrost and floor, you typically need to check and possibly replace the vacuum lines or the blend door actuator that controls the direction of airflow in your vehicle's HVAC system. The driver's side and rear vents blow frosty air. As off today, it only blows hot. Oct 30, 2015 • 2001 Chevrolet Tahoe 0helpful 1answer recharge the system Jun 29, 2015 • Cars & Trucks 0helpful 1answer Nov 14, 2022 · Just bought a used 2000 Deville DTS on ebay. Best Regards. udkxr m9k xr rw 76dttq 4zcctz7 c9m3 1q2t8 salpkvs xmsz