One or more heater & AC (HVAC) air shipment and/or temperature mode door actuator may fail. This can result in not correct air distribution or temperature. If this occurs, fault code(s) stored in the HVAC control module have to be available to aid with diagnoses.




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88 civilization reported this problem
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37 comments
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10 design years impacted
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Average mileage: 140,546
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AC Diagnosis : $53 -$67
Passenger side A/C is blowing warm air if driver next is cold? This began to occur when battery voltage to be low and the auto had a sluggish start; all gauges peg upon beginning but just temp and fuel gauge turned totally clockwise and would not go back. Concerning the A/C difficulty blowing warm air as soon as it have to be cold air, I discovered that if you take the battery cables off the battery and also connect both cables together: this procedure set the computer system default program. It functioned once because that a tiny while but passenger side still blew air however it wasn't together hot. Seemed to be blended with hot and also cold air so the waiting comes out the dashboard vents warm. However, the trouble still persisted; had actually the battery tested and mechanic stated it to be o.k. But i required a sluggish charge put. As soon as I walk that, the auto started increase immediately, however the passenger side air trouble remained. What is the solve to close up door the warm air actuator top top the passenger side? Also, fuel and temp gauges still run or peg and have to it is in reset with the engine off and use a magnet to turn them counter-clockwise.
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1997 Buick Park way 117,000 mi,
Dave 97 Park Avenue
I expect this helps. I'm likewise in Park Avenue wait Conditioner Hell. I've review books, talked to mechanics, been to the dealers. Here's what I have the right to put together so far.If you have different temperature from the driver and passenger sides, then that is a blend DOOR issue. The blend doors are little triangular devices with centers that rotate from an electric signal. Your plastic gears can break, or the motor deserve to lose the ability to move them. They are up under the dash however reachable from the cabin there is no removing much an ext than the black noise panel. (You might want to pull the gloves box on the right, too). They are hosted in place by 3 screws (philips). They space on the driver and also passenger sides, and also each has a various letter (I've viewed R and S labels on the people in my automobile - may be one "L" together well, yet I don't understand for particular yet.) these fit in the palm of her hand, and also are somewhat triangular. Look on ebay or net for this component number to watch what one watch like: 89018383At the facility of the HVAC close to the top, yet reachable without removal, is a mode DOOR. If you have actually an i can not qualify to obtain the wait to blow anywhere but out the defroster, then that is a mode DOOR issue. The setting door has actually a bar on the side, and you deserve to move that manually. In mine 97, the lever has actually no sense of any kind of resistance come it. Evidently the doors have broken inside the AC unit. It's going to Buick soon - not looking forward to dealer pricing.Meanwhile, we all check out that lovely control head in the dashboard with numbers and fan speed on it. That can likewise fail. Commonly that loser brightness native what I'm finding. There space rebuild services on eBay. However, the is not the most significant control element. Instead, there is a PROGRAMMER (look up part 9353514 or component 16238774) that gives the mass of the instructions. Mine had actually an IO error. This multi-box system method you might need a dealer come diagnose electronics failures. Dealers will certainly charge about $600 because that a programmer box. Junkyards are selling for about $40.The 97 and newer have actually all electronic devices. The 96 and prior have actually vacuums. That difference is hardly ever made in fix posts. The 96 and also prior often have vacuum leak failures native the finish points gift dried out. Execute NOT go searching for the vacuum system in her 97 or newer - they aren't there. (You'd evidently uncover a colorful selection of hoses coming through the firewall if castle were.)If you do replace a mode or blend door or programmer or control head, understand that you have to turn OFF your HVAC and then turn on her car. Leaving it sit in the on place for the car/off position for the AC for around 3 minutes. Every the door positions will calibrate.Folks, I sure hope the helps. I've invested waaaaaay too lot time digging info on this issue. It's been quite a finding out experience. Great luck - and if anyone knows a method to fix the mode DOOR without payment Buick my very first born, I'd welcome the insight.
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1992 Buick Park avenue 200,000 mi,
angeloakamuneco
i get an excellent heat only on the passenger next thru the optimal vent only..but i gain no warmth coming ~ above the driver's side..only cold air comes thru the height vent and also the bottom floor that the driver's side..i adjusted the climate manage in the dash..and tho no change..i checked the vacuum lines the go come the firewall and there to be no waiting leaks..i likewise checked under the dashboard every little thing seemed fine..please feel cost-free to offer me ideas and also suggestions ns am open up to hear them all!! please store in mind it is digital climate control!! you re welcome help..i am freezing!!! lol
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1992 Buick Park path 108,000 mi,
Visitor
I have actually warm air on the passenger side and cold wait on the drivers side everything works except this i discovered the blend door ~ above passenger next cannot find on motorists side to check How do you acquire to it.
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2002 Buick Park avenue 160,000 mi,
Visitor
Air from driver side is warmer 보다 air native passenger side as soon as ac is running. After driving for awhile, wait blows colder from driver side.
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1999 Buick Park avenue 100,100 mi,
Visitor
air on drivers side warm on passenger sidereplaced most of the airconditioning components under the hood...still no cold..still have heat ~ above passenger next
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1997 Buick Park way 151,000 mi,
hazend


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Air doesn't distribute other than out former vents, warm ONLY ~ above left 2 vents and also cold just (not a/c yet cold air) on right 2 vents