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Questions tagged [refrigerant]

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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 ...
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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 ...
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2answers
47 views

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 ...
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3answers
301 views

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 ...
12
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2answers
2k views

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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0answers
2k views

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 ...
4
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1answer
273 views

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 ...
6
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1answer
226 views

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 ...