Questions about Air conditioning systems - other Heating and ventilation questions should use 'hvac'

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435 views

AC alternates between blowing hot and cold in hot weather

When the temperature outside is cooler, say less than 80°F, and I turn my AC on, everything works great and I get nice cold air in the car. In the late afternoons however when the temperature is ...
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1answer
99 views

Do A/C Hoses Go Bad in Other Ways than Leaking?

I want to do a "complete" overhaul of my A/C system and am pricing parts. I will be dropping a good amount of money on the parts and want to protect my investment. If my hoses aren't leaking (not ...
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1answer
127 views

Puddle under passenger side of car/ A/C blowing hot air

I have a 1999 Mazda 626. I drove 5hrs the other day from WA to OR. Traffic was horrible and it was blistering hot. I had my A/C going most of the time, although at one point it started blowing hot air ...
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1answer
57 views

2003 Nissan Frontier pick up 4 cylinder

When I turn AC on engine surges up and down. Why and what is wrong. Have changed all belts, and replaced tensioner for AC.
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1answer
198 views

AC stopped blowing cold air

This is my question, the ac in my 2000 Chevy S10 2.2L stopped blowing cold air. the clutch doesn't seem to be engaging. I tried recharging the system but the gauge is up in the red zone already.
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1answer
115 views

2004 Mercury Marquis LS A/C & fan problems

My 04 Mercury Grand Marquis auto temp controlled A/C was working fine last night when I parked it. I got in it today, and it has no fan speeds at all, and the compressor is kicking on and off. I'm not ...
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1answer
376 views

Mazda5 - any way to disable “recirculation off while in defrosting mode” feature?

I have Mazda5 2013, trying to fix an annoying issue - every time I set air to blow towards windshield, recirculation is turning off - and there is no way to turn it back on if selector is still in the ...
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1answer
48 views

1995 Grand Marquis Blower Motor housing L&R

The blower motor housing is shot. both left and right side. I got the right side off pretty easy but the left side looks not so easy. If I am looking at it correctly, it looks like the heater core ...
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2answers
755 views

A/C blows hot air on acceleration

2008 Malibu A/C blows hot air on acceleration. At idle or once maintained speed, it cools and blows cold again.
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1answer
203 views

A/C Fan Speeds Working on High and Low only on 2004 Mercury Grand Marquis LS

On my 2004 Mercury Grand Marquis, the blower just started working on only two speeds, high and low. Recently the blower suddenly quit working altogether and it was the resister. What's the best take ...
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1answer
2k views

Malfunctioning air conditioner mystery - recharge makes car run worse

The air conditioning in my 2002 Subaru Impreza has sort of worked the last couple years. This year it got bad enough that I began trying to fix it, but even though it's totally useless on a 30 minute ...
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1answer
177 views

Intermittent aircon problem: Subaru Impreza Wagon 1996

Subaru Wagon Impreza 1996. Automatic, 1600cc. The gas (refrigerant) has been refilled recently, so that's all good. The air seems to be colder when the revs are higher (>2,500 rpm or thereabouts). ...
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1answer
57 views

Late 90's Saturn - troubleshoot A/C

My son's car was hit in a low-speed collision...messed up the windshield and some cosmetic damage. Aside from that, the A/C has stopped blowing cold (but it still blows). A visual inspection of the A/...
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1answer
469 views

Adjusting the idle setting on a 2005 Cavalier

The air conditioning unit on my 2005 Cavalier only engages when the engine is idling above a certain level (observationally, it appears to be between 1000 and 1200 rpm). During the summer months, ...
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1answer
387 views

Renault Megane I 1.6 Airconditioning pump seized

My Renault Megane I 1.4 RT's airconditioning pump recently totally seized. When the seize happened, it also broke off the crank pulley. I have now replaced both the airconditioning pump and crank ...
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1answer
421 views

Vibrating sound coming from air condition vent when turned up high?

When I turn my ac up high, I hear a vibrating sound coming from one of the vents. It vibrates more if I turn it up higher. What could this possibly be?
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1answer
27 views

2009 Ford Ranger heater Blend Doorr

My heat blend door actuator burned out. I bought a new one. I installed it but the blend door only moved a fraction of what it is supposed to so I disconnect the actuator to not burn it. My question ...
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0answers
25 views

How to eliminate odors from the vents? [duplicate]

How to eliminate odors from the vents? (The odor is noticeable, even though it's been months since I used the A/C) Many people recommend spraying Lysol Disinfectant Spray into the A/C air intake, ...
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0answers
18 views

Automatic A/C recirculation problem [closed]

I have a Toyota 2014 4-Runner limited and I have a problem where the recirculation button will automatically turn off. It works fine when it's on, but is there a way to turn off the auto turn off?
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0answers
32 views

How to close the re-circulation flap? [closed]

I have a 2001 Chevy Malibu and I am having a problem with the re-circulation switch for the AC. I am trying to figure out how to close flap so there is no outside air coming in can anybody help me ...
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0answers
107 views

A/C now blowing hot air [closed]

2004 VW Jetta A/C started blowing hot air this morning on way to work. What could cause this?
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0answers
54 views

Mechanic Didn't Diagnose Full Problem [closed]

I recently went in to get my AC looked at. They tested it, said that all it needed was a compressor. I was quoted $826 and change to have my air conditioner fixed. I saved up that sum, came in to ...
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0answers
222 views

Car AC is not working [closed]

My car AC was working perfectly and today i took the car (Honda City 2000)for oil change and car wash. The man has blow the air and wash the engine as well. After that my car AC is not working. Please ...
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1answer
140 views

A/C Idle Issue on very hot weather

My Vehicle is a 1996 Mitsubishi Lancer (CB1A) with a 4G13 Engine and I'm having some A/C Issues when the weather is sunny hot. I already replace with a new ones like Mitsubishi-Air A/C Compressor, ...
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1answer
276 views

AC on driver's side is bad.

I have Mercedes E350 2009. On driver's side, AC is not as cold as the passenger's side (second and back). Also, AC is much colder when air intake is set to inside but every five minutes it disconnects ...
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1answer
72 views

How can I tell if the AC is discharged?

Title basically says it all. I need to convert from R12 to R134, and was told that the ac was discharged when I bought the truck, but I want to double check. Thanks
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1answer
58 views

Air conditioning compressor

Can I remove the non working a/c compressor from my '85 Chevy S 10 Pu truck? It is not working and I want to get it out of the way.
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1answer
56 views

Air vent squeaks while car in on position

My kia rondo 07 if I have key in on position but not started I turn air on and it squeaks like old door hinge is that not normal or a problem
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1answer
55 views

Strange noises from AC/Dash board

So I'm hearing a creepy/whooshing sound coming from the dash board and the sound disappears when I turn off the AC. Time to have the AC system replaced? Recently had coolant replaced. Anyone ...
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1answer
283 views

A/C shuts off periodically; switch off and back on and will work again

My Volvo XC90 runs well but periodically its A/C will shut off. I turn off the a/c for 30 seconds, then turn back on and seems to work well again. Could this be a compressor issue? Someone mentioned a ...
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0answers
28 views

AC blower not working

In my 2008 Prius the AC blower suddenly stopped working today. I checked the power source and all the fuses are good and the current is steady at 12v when the power is on. However, once connected to ...
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0answers
20 views

Jetta 2001 gls 2.0, AC clutch won't come on!

I have a problem, 2001 Jetta 2.0 GLS, installed entire new system, compressor, clutch, dryer, expansion valve, worked great for about 4 months then nothing. Clutch won't come on. ACted like it was the ...
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0answers
25 views

Install Air Conditioning in the car that does not have air conditioning build in [duplicate]

Is it good idea for me to install air conditioning in my car if my car does not have air conditioning build in? Is it worth for me to spend the money to buy and install the air conditioning or it is ...
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1answer
101 views

Switching off the AC before turning off the engine to increase longevity - urban myth? [duplicate]

I was riding with a friend and he insisted that it's better for me to switch off the AC before turning off the engine because when you turn on the car the AC won't get switched on with it and the ...
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2answers
3k views

air conditioner no longer working in 2005 Chevy Impala?

so after getting my breaks fixed (which was warped) the air conditioner stopped working. In winter it can only provide cold air, and in summer it can only provide hot air. how to fix this?