VR V6 Comm, Due to re Gas the Air Con

[VFSV6FORME]

Schrader valve ?

That's sound a lot more professional.

 

[woteva]

That's sound a lot more professional.

https://www.ambienthvac.co.uk/2017/07/what-is-a-schrader-valve/

 

[shane_3800]

So how do they remove the old oil then? Of cause it all gets vacuumed out so they put the correct weight of oil and gas according to specs. I prefer new gas over recycled gas which could be many different gases as who knows what people put in them.

You don't remove the oil. If you have a liquid in a vacuum chamber it stays there. Only gas can be removed by a vacuum pump.

 

[shane_3800]

https://www.ambienthvac.co.uk/2017/07/what-is-a-schrader-valve/

A schrader valve is the valve in the service port.

 

[jeepster]

I've had 2 VS, one for 20 years, the other for 10. Between them, replaced compressor, filter-drier, condensor, and umpteen TX valves. It's wishful thinking if you want just a regas. It will leak out again, if you don't get the cause fixed.....

 

[losh1971]

I've had 2 VS, one for 20 years, the other for 10. Between them, replaced compressor, filter-drier, condensor, and umpteen TX valves. It's wishful thinking if you want just a regas. It will leak out again, if you don't get the cause fixed.....

corroded liquid line and condenser are probably the most common problems with the VR and VS AC systems. Mad not to change a receiver dryer every regas, only adds 30 bucks, if that to the job and you reduce the risk of it exploding. I'm using an old TX valve and AC was regassed well over 2 years ago and is still icy cold. Next service TX is on the list.

 

[Trevor loves holden.]

You don't remove the oil. If you have a liquid in a vacuum chamber it stays there. Only gas can be removed by a vacuum pump.

Ok so its so, so how do you know if you need to add oil then? Did you know if you loose 10% of gas in your system you loose 40% of your oil getting back to your compressor so your compressor will start to get damaged, you wont experience cooling changes until you loose 40% of gas but your doing damage by starving your compressor of oil. So Shane do you add extra oil if there a bad leak or only when you replace your compressor, drier, condenser unit?
https://www.google.com/url?sa=t&rct...s-and-myths/&usg=AOvVaw0_0lY9brY0UkOJyzVGtar7

 

[Trevor loves holden.]

corroded liquid line and condenser are probably the most common problems with the VR and VS AC systems. Mad not to change a receiver dryer every regas, only adds 30 bucks, if that to the job and you reduce the risk of it exploding. I'm using an old TX valve and AC was regassed well over 2 years ago and is still icy cold. Next service TX is on the list.

I changed out my TX valve, compressor, drier but only thing I didn't do is the drier so it didn't get moisture in before the re-gas so I left it to Auto Plus to do it. Still not super cold, I took it back a month latter for a free test for leakage and it was fine no pressure lose, 134a isn't as cold as the Oz chill the only problem I was told Oz chill will do damage to the system.

 

[shane_3800]

Ok so its so, so how do you know if you need to add oil then? Did you know if you loose 10% of gas in your system you loose 40% of your oil getting back to your compressor so your compressor will start to get damaged, you wont experience cooling changes until you loose 40% of gas but your doing damage by starving your compressor of oil. So Shane do you add extra oil if there a bad leak or only when you replace your compressor, drier, condenser unit?
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=video&cd=5&cad=rja&uact=8&ved=0ahUKEwiL_t3m25vmAhWBWX0KHYgrChsQtwIISTAE&url=http://autotechac.com/ac-facts-and-myths/&usg=AOvVaw0_0lY9brY0UkOJyzVGtar7

Adding oil to a system is a black art. You don't loose 10% oil from a gas leak I would say 1-5% depending on how bad the leak is. Have you ever dye tested a hvac system? 90% of the oil stays in the compessor when you replace the compressor they come prefilled.

 

[Skylarking]

Adding oil to a system is a black art...

Servicing AC systems is a regulated and well defined process. Problem is, it’s costly to do things correctly and by the book. So businesses seem to cut corners to reduce costs and gain customers. Oddly, for the most part, it works well.

But I wouldn’t say adding oil is a black art. If it is a black art, doesn’t that make the aircon techs witch doctors