6 votes

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

Yes there is oil in the system to keep the compressor lubricated. It is carried throughout the system in the refrigerant. It is usually added in when the system is charged.
john D.'s user avatar
  • 552
4 votes
Accepted

Is it possible to have a good looking spark but but still not suitable for ignition?

Inside the cylinder is quite a hostile environment. What looks like a strong looking spark at atmospheric pressure outside of the cylinder can become nothing at high pressures in a fuel rich ...
HandyHowie's user avatar
  • 25.2k
3 votes

replacing A/C condenser – without having to drain R134a refrigerant?

No. There would need to be valves either side of the condenser to limit gas loss, but even then you would still lose a condenser full of gas. You would then have the problem that you have a new ...
HandyHowie's user avatar
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3 votes
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A/C hose blowout while charging new system, do I need to add more oil?

In short, yes you lost oil. The question is how much? The purists would drain the system, but in your case that is impractical. Suggestion. Find out the total oil charge for the system. If you can ...
mongo's user avatar
  • 2,115
2 votes
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How likely is a recently replaced AC condenser to be bad?

Replacing an AC compressor involves completely recharging the refrigerant, which requires specialized equipment to evacuate the air and replace it with refrigerant and generally costs about $140 for ...
tlhIngan's user avatar
  • 12.2k
2 votes

Is it better to have AC repair done during heat wave?

You can't just change a compressor and recharge. You need to at least change dryer and flush the system and in some cases you may need to change the expansion valve. See here for detailed information ...
Evren Yurtesen's user avatar
2 votes

Is it better to have AC repair done during heat wave?

It could be the climate control unit that is not operating correctly. They often have servo controlled flaps that control the flow of air over the heater and evaporator to adjust the cabin air ...
HandyHowie's user avatar
  • 25.2k
2 votes

Loud whirring from AC compressor fans

Arctiic, with your permission I’d like to give you a dose of tough love to try and get this repair moving forward. I want to help you, I really do, so please bear with me and keep an open mind as I ...
MTA's user avatar
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2 votes
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Air conditioning in my car works but takes a long time to cool...?

You say the condensor is not clogged. Have you removed the cabin air filter and looked at the evaporator? If you have a shedding pet the cold side under the dash can get blocked with hair. Also have ...
David Nix's user avatar
  • 141
1 vote

Loud whirring from AC compressor fans

Late to this table but fans don't scream "I'm ON!". From the video, the fan(s) seems to ramp up, suggesting your cooling and ac system may use electronically controlled variable speed fan(s)....
F Dryer's user avatar
  • 976
1 vote

Loud whirring from AC compressor fans

It sounds like normal operation to me. For example when the A/C kicks in the fans activate. In any A/C system the compression of refrigerant generates heat and the condenser core (the aluminum ...
Old_Fossil's user avatar
  • 3,962
1 vote

Does my refrigerant recovery machine have a leak if the vacuum is lost over several hours?

If your condenser coil is damaged, refrigerant was released and your system is most likely empty. Connect gauges to both service ports to see if any pressure remains. Designed as a refrigerant ...
F Dryer's user avatar
  • 976
1 vote

How to diagnose AC blowing warm air

A couple of things ... is there anything obstructing the air flow through the condenser? Like a plastic bag or something. Rapid clicking of the A/C clutch is usually an indication there is a low ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
1 vote

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

It's a 1997 car so most definitely R-134A. Automotive R-134A-from-factory systems are fitted with parallel flow microchannel condensers, since R-134A has much higher saturation pressures compared to R-...
Al_'s user avatar
  • 958
1 vote

Air conditioning in my car works but takes a long time to cool...?

I have a Honda CRV which is 19 years old, petrol engine. About eight years ago my cooling system blew up as I put it on on a very hot day. I had a new system and since then I find that the car cools ...
Angelina Ballerina's user avatar
1 vote

Vespa Plug,Contact Point and Condenser

Plug Here is a link to an answer concerning spark plugs. If you cannot place your's against the chart, please post a picture and I can help you further. Make sure the spark plug is gapped correctly. ...
Pᴀᴜʟsᴛᴇʀ2's user avatar

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