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Car Forum / Volvo Cars / June 2004Center AC vents blowing warmer air
Here's a strange problem. With the A/C running the air coming from the 2 center dash outlets is a good 10 degrees warmer than the side ducts. In most cars the entire face-level ductwork is a one-piece affair meaning all the air comes from one source. Does Volvo have some kind of split system where there's a damper door or something that could be malfunctioning? Our 960 was having this problem... Found out the pipe leading to the evaporator was cracked, and leaking slowly... When they fixed that, the car was able to pump cold air through all the vents - your A/C system is probably not fully charged right now. > Here's a strange problem. With the A/C running the air coming from the 2 > center dash outlets is a good 10 degrees warmer than the side ducts. In most > cars the entire face-level ductwork is a one-piece affair meaning all the > air comes from one source. Does Volvo have some kind of split system where > there's a damper door or something that could be malfunctioning? >Here's a strange problem. With the A/C running the air coming from the 2 >center dash outlets is a good 10 degrees warmer than the side ducts. In most >cars the entire face-level ductwork is a one-piece affair meaning all the >air comes from one source. Does Volvo have some kind of split system where >there's a damper door or something that could be malfunctioning? I JUST had the same EXACT problem. (See the thread: "air conditioning Q - topping off R134a at home?") The side vents were blowing cool (not cold) air and the center vents were blowing hot air- seemingly hotter than the air from outside. I added a few ounces of 134a (like around three ounces) and they now blow cold. Best to take it to an AC shop and have the system evacuated and recharged properly. __ __ Randy & \ \/ /alerie's \__/olvo '93 960 Estate > Here's a strange problem. With the A/C running the air coming from the 2 > center dash outlets is a good 10 degrees warmer than the side ducts. In most > cars the entire face-level ductwork is a one-piece affair meaning all the > air comes from one source. Does Volvo have some kind of split system where > there's a damper door or something that could be malfunctioning? I don't know your car model, but my 1998 V40 has a separate control for the two center ducts in the dashboard inbetween the ducts.... Arnoud  SignatureFor replying to me personally, please use my first and last name in the address. Please blame virii and spammers.. Antwoorden op dit bericht? AUB mijn voornaam en achternaam gebruiken in het email adres. Geef spammers en virussen de schuld.. Those are just air pressure controls - pretty much every car on the market has something equivilant to that... They don't actually affect temperature at all, just the amount of cold/hot air entering the cabin. His problem is more then likely related to a lack of refrigerant, as people have been having this problem and the answer is inevitably - low R134. > > Here's a strange problem. With the A/C running the air coming from the 2 > > center dash outlets is a good 10 degrees warmer than the side ducts. In most [quoted text clipped - 6 lines] > > Arnoud Possibly not the case on all cars. My V70 has an adjustment wheel for each vent in the centre of the dash, plus a third adjustment wheel. The third one opens these vents up to fresh air from outside, bypassing the air con/heater e.t.c. In hot weather, this would allow warmer air in here, than in the other vents. It's nice to have fresh air in your face when driving sometimes, but I always close this third adjustment wheel when using the aircon. The third wheel has a blue squiggle symbol above it, indicating outside (fresh) air. If you have this, check it's closed! Hope to help. Joe Landy Peterborough Reply directly at joelandyman <at> postmaster.co.uk > Those are just air pressure controls - pretty much every car on the market > has something equivilant to that... They don't actually affect temperature > at all, just the amount of cold/hot air entering the cabin. >Possibly not the case on all cars. My V70 has an adjustment wheel for each >vent in the centre of the dash, plus a third adjustment wheel. The third one [quoted text clipped - 6 lines] >(fresh) air. If you have this, check it's closed! >Hope to help. On my 1997 850 this fresh air control is to the left of the center vents. Remove SPAMX from email address [Jim Michaels] (Fri, 25 Jun 2004 17:05:47 -0500): >>Possibly not the case on all cars. My V70 has an adjustment wheel for each >>vent in the centre of the dash, plus a third adjustment wheel. The third one [quoted text clipped - 9 lines] >On my 1997 850 this fresh air control is to the left of the center >vents. And it's called airmix :) SignatureSvein Tore Sølvik 1996 Volvo 850 2,5 20v |
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