Questions tagged [ac]

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

123 questions with no upvoted or accepted answers
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5
votes
1answer
273 views

'07 Escalade - AC issues

2007 Escalade AWD. Yesterday, I noticed that the air conditioning keeps turning on and off. To clarify: the control unit does not indicate that it's turning off. I still have the fancy snowflake ...
5
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0answers
8k views

2006 Jeep Liberty - AC clutch won't engage

The AC clutch on my Jeep Liberty 2006 won't engage. Here is what I have checked so far. Fuse 14 in the passenger cabin 21 in the engine compartment are ok AC relay ok When I jump the AC relay I ...
4
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0answers
81 views

Replacing/upgrading from R12 to R134 system in 71 C10

I am upgrading to R134 in my 71 C10. I have a re manufactured compressor to use R134, I have replaced the POA valve, in the process I have replaced the o rings. Looking at the new POA valve (Old Air) ...
4
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0answers
804 views

One side of 2015 VW passat gets cold air and the other side hot

Good day, I have a 2015 VW Passat. TSI engine 1.8. In the defrost duct on the instrument panel flap adjust motor is down in the open position. This is causing frost on the outside of the windshield....
4
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0answers
101 views

2014 Toyota Matrix: inadequate AC

I bought my car in November 2014 and from day-one the AC doesn't seem to work very well. In the winter when it's set to defrost the windshield, there is a lot of fog build up on the glass, and the air ...
4
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0answers
125 views

Highest Fan Speed on AC/Heater Blower no longer works.

I've found a couple of posts here about blower fans that only operate on high speed, but the issue I'm having is the opposite. All of the fan speeds work except for the highest speed (really the only ...
4
votes
0answers
2k views

AC suddenly stopped working?

After few hours driving in town with a lot of traffic my AC was working fine, keeping low temperature inside. Then I had to stop the engine for few minutes and when I turned it on, although the AC ...
3
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0answers
166 views

2014 Hyundai Tucson cooling fan not running

So our 2014 Hyundai Tucson (GDi) cooling fan doesn't seem to come on when it's hot or when the ac is on. The ac only blows cold when the car is moving and the car sometimes overheats when idling. I ...
3
votes
0answers
35 views

2006 Matrix air conditioning fan changes speeds when set at high, but air flow seems the same?

The fan set at high sounds like it fluxuates in speed, but the air flow seems to be the same? Have had checked at dealer. They replaced fan, but still have the problem! They do not know what is wrong....
3
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0answers
348 views

ac only works on high

Last year I changed out my father's 2003 Dodge Ram van's blower motor resistor after hearing complaints about his AC only working on high. I did some googling and found that many people pointed ...
3
votes
0answers
62 views

Finding Replacement AC Condenser

I inherited a 1984 Toyota pick-up from my father when he passed 25 years ago. The AC Condenser is leaking and needs to be replaced. Toyota no longer makes the condenser, and I have been unable to ...
3
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0answers
102 views

2004 Ford Ranger heater stopped working after repair

I had my AC repaired by the Ford dealer. They said they investigated the whole system and only found it was low on refrigerant so they recharged it and everything was great... Except now my heater ...
3
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0answers
398 views

2000 Buick Regal Heater/Air Malfunctioning

Background I have a 2000 Buick Regal. The Heater/Air Conditioner runs erratically. Sometimes when set for air conditioning it will blow hot air out on both passenger and driver sides, sometimes ...
3
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0answers
113 views

2010 Volvo S80 - Cabin HVAC system schematics

Something in my sedan's cabin air system smells bad (organic bad, not mechanical bad), even after changing the cabin air filter. I have a bore scope, vacuum, compressor, and hoses sufficient that I ...
3
votes
0answers
258 views

Inverting the A/C VSV Switch

I bought a 2E Carburetor for my 4G13 Engine. My Problem is that 2E Carburetor Idle Up A/C Vacuum Actuator needs vacuum when the engine is on and when the A/C is On, the idle up vsv will be Off (or no ...
2
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0answers
85 views

Why may heating gradually stop after some time driving (and doesn't work in passenger side at all)?

This is a somewhat strange problem. Heating (in driver side) seems to work normal - after somewhere between 15-25 mins. driving or so, it gradually stops working. The warming in passenger side doesn't ...
2
votes
0answers
34 views

Missed a connector in my AC system?

I just changed the heater core in my 1999 Subaru Legacy Outback. I had to take the dash out, and disconnect many connectors. After putting it all back together, my heat now works (yay!), but my AC ...
2
votes
0answers
57 views

Clunk sounds in rear when A/C engaged - 2006 Subaru Impreza

First off, I don't have much experience with cars. I've googled the issue and have come up empty. I've got a 2006 Subaru Impreza Wagon with 170,000 miles. In the last month, a clunk has been ...
2
votes
0answers
295 views

A/C Air Recirculation

In my 2017 Toyota 4Runner I'm interested in a solution to keep recirculation on by pushing a button even when the defrosters are on. In other words, a wire to override the defrosters so recirculation ...
2
votes
0answers
2k views

AC clutch engages no cold air, equal pressure across lines

I recently took my Honda Accord to the mechanic and it was found that there was equal pressure on the high and low side AC lines (around 90 psi on an 80°F day). However the clutch was still engaging ...
2
votes
2answers
108 views

Ac in van is blowing hot air but condensation is dropping

Is there a reason why condensation would be dripping from a van that isn't blowing cold when the AC is set to Max and recirculate? It's a 99 Chrysler Town and country. It is a manual temp control unit....
2
votes
1answer
473 views

2003 Toyota 4Runner blinking a/c light - hot air

Blinking A/C light on my 2003 Toyota 4Runner. Must have a slight leak, I would add refrigerant from a can and be good all summer. This year although I replaced the A/C relay the a/c light on the dial ...
2
votes
2answers
1k views

Rumble when turning engine off with aircon on

I have a 14 plate Fiesta - the air conditioner in the car seems to be linked to the main air intake so if you turn the aircon on it sounds like the fan is working really hard (which I guess is because ...
2
votes
0answers
796 views

I have a 2008 Mazda 3, and it's not blowing cold air

I have a 2008 Mazda 3, and during the winter, we had a few warm, wet days, and I tried using the AC, and it wasn't blowing cold. So now that spring has sprung, I'm looking to get this fixed up. So ...
2
votes
0answers
38 views

A/C working but engine overheating

I have a 2004 Chevy 2500 6.0 and the AC compressor belt was not on when I bought the truck, so I put one on today and it worked great until I was parking, the dash said "Engine Coolant Hot" and ...
2
votes
0answers
240 views

Air conditioning hisses, but gauges show pressure, no cold air

So my 2010 VW Routan's (basically a Dodge Caravan) AC has gradually stopped working. I figured I had a small leak and it finally just didn't have enough juice to cool. I have a set of gauges that I'...
2
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0answers
25 views

Battery problem for paddy harvester

My harvester vehicle is Claas make. Model Crop tiger 40. I locally fabricated AC cabin for this vehicle. After AC installation, if my vehicle run one day in AC next day morning it is not getting self ...
2
votes
0answers
49 views

Can I add a rear evaporator in place of my rear heater for my passengers

I live in a hot climate. I do not need heat to my rear passenger feet. Can I run A/C pipes instead of hot water and replace radiator with an evaporate. The Vehicle is a 1988 Toyota BJ74. The blower ...
2
votes
0answers
531 views

Clicking noise when stopping and accelerating. AC issue?

I drive a 2014 Corolla LE. Whenever I accelerate or brake, I get a tap or a click from within the dashboard near the center vent area. It happens when... I accelerate from a stop. I just tap the ...
2
votes
0answers
56 views

97 ram ac problems

ac did not work. so I opened up the system and found there was no orifice tube. I bought one, put it in and pulled a vacuum. added 134. it worked fine for a while. then it slowly quit. opened up again ...
2
votes
0answers
361 views

2003 Dodge Ram AC malfunction

2003 Ram 4.7L Why would the air work perfectly until stopping at a light and hear a little sound then starts blowing very hot air instead? Even when put in neutral and revved up doesn't help, until ...
2
votes
0answers
541 views

A/C only kicks on when set to defrost

07 Town & Country - The a/c compressor only kicks on when I have the it set on defrost. When I move the setting to vent or anything else it blows cold for about 3-5 mins then it gradually gets ...
2
votes
0answers
145 views

On my '99 Grand Am the electric windows, A/C, dash gauges, speedometer stop working sometimes

Sometimes they come back on in a few minutes but sometimes it's hours or maybe a day and they will all start working again at same time. Other things like radio, CD player, cruise, horn, wipers, door ...
2
votes
0answers
520 views

AC Honda DX Civic 95 not cooling button for recirc AIR unlit

I have had an issue with a 1995 Civic cooling. It worked 2 months ago. I will try to be specific. I have studied HVAC, Compressors in Blgs, just not vehicles so I know the system somewhat. It will ...
2
votes
0answers
4k views

Can a blend door be easily fixed/replaced in a Ford Escape Hybrid 2006? Also, passenger side airbag removal?

I recently got my AC compressor fixed, but after doing this it turns out my AC still isn't great because of a messed up blend door (according to my mechanic). Apparently this is a fairly common ...
1
vote
2answers
48 views

2013 Chevy Cruze A/C not working and possibly radiator fan

I have a 2013 Chevy Cruze and all of a sudden I get in the car and there is no A/C. The fan is blowing just warm/hot air. After checking the fuses (not sure how to test relays) I did notice that while ...
1
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0answers
16 views

Replacement of Accumulator/Drier

I am wondering if I can replace the reciever drier/accumulator on my Honda Accord 2007 EX V6 without taking out the condensor and fan assembly? If so, please instruct me on how to do so. Thanks.
1
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0answers
10 views

2002 PT Cruiser is running hot

P0601 and P1684 are showing up and my car will start running hot maybe 5 mintues after I start going down the road. Help please!
1
vote
1answer
39 views

Blower motor running wide open after replacing resistor

After i replaced the resistor for the blower motor the fan runs continuously. It doesn’t respond to the fan control knob even to turn it off. Also now the the a/c compressor is not kicking on. Is it a ...
1
vote
1answer
32 views

A/C compressor Switches of at the same time as the Fan motor

I have a Lexus IS250 2008 the a/c compressor switches off the same time as the fan motor blower. Cant seem to find a fix, the blower motors are new just bought and switched. Any ideas for a fix?
1
vote
0answers
12 views

Honda Civic 08 - AC control and possible electrical problem

When I started messing around with this the AC worked sometimes but not others and realizing that the engine fan wasn't turning on. Replacing the thermostat fixed this and the car doesn't run hot ...
1
vote
1answer
34 views

2005 Silverado AC Diagnosis

I just bought a 2005 Silverado with 160k miles and I am trying to diagnose the AC system. Most of the time the compressor never kicks on and so it blows warm air. Occasionally the compressor does kick ...
1
vote
1answer
50 views

Is 7% refrigerant loss per year worrying?

I some time ago had my car's air conditioning system serviced, when the car was 2.5 years old. It was functioning okay, but I opted for the service because I wanted to have a measurement of the ...
1
vote
1answer
36 views

Does a 1997 Honda Accord have a modern condenser that can't be flushed?

I was having a problem with the AC in my 1997 Accord recently. My dealer did an evac and recharge, found a leak, and replaced the compressor. Then they said the system was over-pressurizing, so they ...
1
vote
1answer
105 views

A/C stops blowing cold when it's raining

I have a 2011 equinox. Had a accident couple years ago involved with front end. Ever since then when it rains my AC will stop blowing cold air. never heard of anything like this. anyone have any ...
1
vote
0answers
152 views

What type of refrigerant do I need for an 07 Honda Civic Hybrid…?

My 07 civic AC stopped working and clutch no longer engages. I checked fuses, relays, etc..and all were fine. I did not realize Hybrids use a different type of compressors (use air conditioning ...
1
vote
0answers
30 views

2009 Toyota Corolla Air Conditioning

Whats up everyone: I have a 2009 Toyota Corolla. The AC stopped blowing any air whatsoever, unless I went to level 4 (the highest level). Then it would blow the AC air ice cold, as it should. One day,...
1
vote
1answer
35 views

2004 Mazda 3S A/C cuts off when accelerating

My 2004 Mazda 3S 2.3L Hatchback A/C has recently started cutting out when you accelerate. When its idling A/C works fine. When I say cut out I mean the compressor cuts off and on while accelerating ...
1
vote
1answer
45 views

Ford Ranger 2008 AC works only on recycled air. Help?

I noticed my Ford Ranger was only blowing hot air when set to bring in outside air, regardless of the temperature outside or what my climate control is set to. I noticed (by accident) that if I turn ...
1
vote
1answer
587 views

AC compressor noise only when car is hot

I recently noticed that my car is making a consistent noise when AC is engaged. Furthermore I found that this noise occurs only when car is hot. Belt doesn't seem to be slipping. Car is 16 Subaru WRX....