Questions tagged [refrigerant]

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23 views

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 (...
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1answer
31 views

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 ...
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2answers
136 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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1answer
33 views

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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1answer
37 views

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. ...
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2answers
48 views

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 ...
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1answer
44 views

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 ...
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0answers
21 views

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://...
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0answers
21 views

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 ...
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2answers
8k views

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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2answers
130 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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3answers
2k 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 ...
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2answers
5k 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
4k 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 ...
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1answer
515 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 considered ...
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1answer
257 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 ...