Questions tagged [refrigerant]
The refrigerant tag has no usage guidance.
21
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My AC compressors won't run, and the systems won't take a recharge. What should I check next?
I have a 2012 Ford E-350 cutaway with a Starcraft Allstar bus body (70k miles). The front AC is the OEM Ford equipment, and the rear AC is from Trans/Air (I don't have exact model numbers, but I'm ...
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0
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54
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A/C not cold on highway
Ac not blowing cold when driving on highway. 2006 scion XA with a fresh r134a recharge. Ac blows cold idling and around town, but when driving on highway (>50mph) ac blows totally warm. Cools down ...
- 101
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1
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269
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My car A/C lost all of its refrigerant
My car lost all of its refrigerant. I went to mechanic he checked my entire ac system for leakage but couldn't find any. He pressurized the cooling coil and also compressor but he couldn't find any ...
7
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2
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509
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Will running engine after replacing A/C components ruin the new compressor before system is recharged with freon/oil?
I have replaced the air compressor (which came oiled from factory), condenser, evaporator, and expansion valve on a 2002 Honda CRV. I also replaced the alternator.
I want to turn the engine on to ...
- 71
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1
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67
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Is this a non-puncturing refrigerant can?
I finished the job that inspired this question so that others might not have the same trouble, and Jupiter's comment on my answer got me to thinking, "Am I using the can wrong?"
The only ...
- 592
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1
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64
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AC clutch plate on and off
My ac was not working so I installed a new ac pulley, clutch plate, and coil. Now it seems to be working fine again. I notice, however, that the clutch plate engages and disengages fairly regularly (...
- 61
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1
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104
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Normal AC refrigerant pressure range?
Long story short: the ac of my 2013 Rogue is not working and I am in the process of eliminating various possibilities. One of these is the amount of refrigerant in the system. Hence my question:
With ...
- 61
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1
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905
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Is there a cheap way to recover refrigerant from an AC system
I have a car with a leaky AC and had to refill it with refrigerant in order to identify the source of the leak. My luck, the evaporator core seems to be the problem and I have to drain the system ...
0
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2
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147
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Dodge Dakota 2001 fluid leak under front?
Dripping front that black area. It is a thin fluid, with a tan tint, no smell, not very oily/slippery. Possibly just water? Biggest thing I can think of is I got my A/C recharged a few days ago, then ...
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2010 Toyota RAV4 air conditioning blows warm instead of cold
Since it's a second vehicle and I don't use it much, I don't really want to spend money on a diagnosis and have been trying to research how I could diagnose (and maybe fix) the problem myself.
https://...
- 201
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2
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4k
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How much Pag oil should be added after recharging refrigerant?
I have a 2003 Citroen c5 which I bought last year, the A/c system has been empty for refrigerant since before I bought it. I have purchased the necessary equipment to vacuum, and recharge the system. ...
- 31
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0
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45
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Adding Oil to A/C Compressor After Refrigerant Leak?
I recently retrofitted the A/C system on my 1987 Toyota 4Runner for R134a. This included: resealing original Denso 10P15C compressor, flushing the evaporator, condenser, and lines, installing a new ...
- 11
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2
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96
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when is a/c pressure too low
Last fall I noticed a small hiss when starting the a/c. I looked around the system and noticed a thin film of oil/dirt around the high valve. I guessed my high pressure shraeder valve to be leaking ...
- 51
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2
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581
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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 ...
- 14.4k
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2
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1k
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How to determine exact amount of oil in a refrigerant system?
Our all components and refrigerant pipes are new. As far as we know, Compressor is sold with oil inside of it.
Do you think should I add extra oil into system after I assemble all system or Is the ...
0
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3
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8k
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What is the purpose of high pressure service port in cars ? Can we charge refrigerant into the system by high side service port?
I have read on internet and in Tesla Model S service manual book that we can charge refrigerant by high pressure service port (with gas charging machines or another way) as long as there is vacuum in ...
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Is it okay or useful to run heat and AC at the same time?
Most cars that I've seen in my life have a heat slider or dial, which goes from coldest to hottest, and also a button or switch that is labelled "AC". When the heat dial is set to cold, turning on the ...
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13k
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How to fix air-conditioning in 2008 Honda CRV
I have a 2008 CRV and recently the air conditioning stopped working I have already tried replacing the relay thinking that might’ve been it when I turn the air-conditioning on I can hear something ...
- 411
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0
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9k
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High-side, low-side pressure readings slow to equalize after turning AC off
I was helping a friend yesterday with their E53 X5's AC system when I noticed this strange behavior:
Before turning the AC on for the first time both high-side and low-side pressures read the same
...
- 39k
5
votes
1
answer
1k
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Is it safe to vent R-1234yf to atmosphere?
There are reports that suggest R-1234yf has a global warming potential (GWP) less than 1, even outperforming carbon dioxide:
The study found HFO 1234yf to have a GWP of less than 1. CO2 is considered ...
- 39k
6
votes
1
answer
343
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What exactly is R-1234yf?
I keep on reading about a new refrigerant, R-1234yf, that is being adopted by some automotive manufacturers.
What is this refrigerant all about, why are manufacturers considering it and what makes it ...
- 39k