Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Questions tagged [r134a]

R134a, a refrigerant commonly used in vehicle air conditioners.

R134a, also known as norflurane, a refrigerant commonly used in vehicle air conditioners.

18 questions
8
votes
1 answer

How do A/C professionals dispose of refrigerant?

The ubiquitous advisories and legislations against releasing A/C refrigerant into the atmosphere are well known - if you need to discharge R-134a or R-22 from your A/C system, have the gas evacuated by a professional. What do the professionals do…
Zaid
  • 39,276
  • 50
  • 151
  • 294
8
votes
1 answer

AC: Fixing or Recharging?

I have Toyota Camry 2000. The problem is AC does not blow any cold air. So, I bought R134a and recharging it myself. It costs me about $12. However, it lasts for about a month. I checked with couple garages near by. Cost for checking AC is vary…
Richard Sayakanit
  • 313
  • 1
  • 3
  • 8
7
votes
3 answers

How to recharge AC using booster from auto parts store?

The AC on my 2002 Chevy Cavalier stopped blowing cold in the fall and I had planned on getting it checked out and recharged once the AC check specials started. I saw this for $30 and it seems too good to be true. Do they work? Anything I should…
Steve Jackson
  • 173
  • 1
  • 1
  • 4
7
votes
1 answer

Does R-134A refrigerant normally have oil (liquid at room temperature) in it?

Upon [legally] releasing some pressure from a car's (model year 2000) over-charged AC refrigerant loop that uses R-134A refrigerant, some of the released fluid surprisingly stayed liquid at room temperature. It is indeed some sort of clear oil,…
JoseOrtiz3
  • 171
  • 1
  • 1
  • 6
6
votes
1 answer

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 different from R-134a?
Zaid
  • 39,276
  • 50
  • 151
  • 294
6
votes
2 answers

Can I use empty refrigerant bottles to store used refrigerant?

Based on symptoms and measurements, I have reason to suspect that my neighbour's car's AC system has too much refrigerant in it. Some of the refrigerant has to go. To my knowledge, even if environmental regulations penalize the local automotive…
Zaid
  • 39,276
  • 50
  • 151
  • 294
6
votes
1 answer

Is it bad to mix different refrigerants?

I'm mainly wondering about different brands of refrigerants. In other words, mixing one brand of R134a with another brand, not mixing R12 and R134a (or anything like that).
Jerreck
  • 866
  • 6
  • 12
  • 23
5
votes
3 answers

How do I convert a R12 to R134A for my AC system?

I have an older vehicle that has AC, but it needs a recharge. It uses the older R12 refrigerant and it is very expensive and can be difficult to locate as it is not made in the US anymore. How do I convert it over to cheaper newer R134a? Can this…
Troggy
  • 2,106
  • 5
  • 23
  • 25
3
votes
2 answers

Can you use a vacuum pump on a charged A/C System?

I have a vehicle that is not currently running from which I am pulling the engine. To do so, I need to remove the A/C compressor and condensor, but it is currently charged. I have borrowed an A/C manifold gauge set and an A/C vacuum pump from…
John
  • 33
  • 1
  • 1
  • 3
3
votes
1 answer

Will using the AC accelerate refrigeration loss due to a leak?

I developed a leak in the lines of my AC system (verified). The system has been recharged so it is working for the time being, but I do not expect it to last indefinitely. I am due to buy a new car, so I don't want to put money into a costly repair.…
Robert Cartaino
  • 131
  • 1
  • 12
1
vote
2 answers

Recharging A/C - adding oil, UV dye, & stop leak

So my car broke down due to a transmission cooler line leak. Had it towed to a shop where they diagnosed the issue, replaced the cooler lines and at their recommendation replaced the radiator. I pick up the car and after about 15 minutes of driving…
David Wilson
  • 11
  • 2
1
vote
1 answer

Advice before recharging car's AC with DIY kit and additives

Following a very costly surgery, I'd love to save several hundred bucks with a DIY kit for the car's AC system. A recent shop diagnostic discharged the line and also determined a leak near the high side valve, but they let me know it will be around…
Fig Newton
  • 11
  • 2
1
vote
1 answer

Can an A/C system cool with just 20-30% charge?

So the A/C in my LR4 was never quite right since I bought it in fall. It worked, but on hotter days it barely cooled at all, but I never got round to it because I had other priorities. As fall turned to winter, I didn't need max performance; as long…
Zaid
  • 39,276
  • 50
  • 151
  • 294
1
vote
0 answers

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 drier, and adding the correct amount of PAG oil as…
Chris
  • 11
  • 1
1
vote
1 answer

Are R-134a quick-couple adapters compatible with R-1234yf systems?

In other words, do R-1234yf systems use the same charging port design as R-134a?
Zaid
  • 39,276
  • 50
  • 151
  • 294
1
2