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[pscocoa]

a) going out amongst human kind and others
b) having Halfords do an aircon diagnostic for £30

which is the bigger risk?

There is zero gas in there so must be a leak or compressor issue but compressor would not engage anyhow if no gas I think

[biggriffin]

You would be better going to the local garage, they will evap the system, then pressure test, with a dalek, it's a better option than Halfords youff no1, plugging a can and gauge onto the thing.

[amba]

Don't waste your £30 at Numpty Land...get somebody to do a proper pressure and leak test for no much more then you will know exactly what needs to be dealt with.

On option A...." You feeling Lucky,ah !! "

[Marks DTM Calib]

a) going out amongst human kind and others
b) having Halfords do an aircon diagnostic for £30

which is the bigger risk?

There is zero gas in there so must be a leak or compressor issue but compressor would not engage anyhow if no gas I think

Correct, there needs to be above a minimum pressure or below a maximum pressure, plus a demand, for the compressor to operate 

If there is zero gas then there is a leak

[pscocoa]

You would be better going to the local garage, they will evap the system, then pressure test, with a dalek, it's a better option than Halfords youff no1, plugging a can and gauge onto the thing.

Went to a local garage last year and they did not do the right thing - when I got a mobile chap round he said there is no way they could not have noticed such a massive leak - that was on the Phaeton. Thing is this is supposed to be a diagnostic check and not a re-gas so I am hoping it is the least cost option to tell me where the leak is

[Marks DTM Calib]

Went to a local garage last year and they did not do the right thing - when I got a mobile chap round he said there is no way they could not have noticed such a massive leak - that was on the Phaeton. Thing is this is supposed to be a diagnostic check and not a re-gas so I am hoping it is the least cost option to tell me where the leak is

Will be interesting to see what they do, it should be a visual check followed by a dry Nitrogen charge and some indicator dye...................trouble is I don't see Halfords doing that 

[pscocoa]

Went to a local garage last year and they did not do the right thing - when I got a mobile chap round he said there is no way they could not have noticed such a massive leak - that was on the Phaeton. Thing is this is supposed to be a diagnostic check and not a re-gas so I am hoping it is the least cost option to tell me where the leak is

Will be interesting to see what they do, it should be a visual check followed by a dry Nitrogen charge and some indicator dye...................trouble is I don't see Halfords doing that 

That is what they are supposed to do - they did a simple free of charge test with a gauge at a store yesterday to confirm there was no gas at all. Today I am at the Autocentre for the proper jobbie hopefully. VX want £80 just to look at it.

[Bigron]

Groupon had a good offer a few months ago whereby I went to ATS Euromaster for a diagnosis and re-gas, on the understanding that if they could not re-gas the system, I would get my money back. They found a leak and I got my money back.
Check with Groupon as they could well be offering the same deal, especially as we are now entering the warmer weather.

Ron.

[henryd]

Went to a local garage last year and they did not do the right thing - when I got a mobile chap round he said there is no way they could not have noticed such a massive leak - that was on the Phaeton. Thing is this is supposed to be a diagnostic check and not a re-gas so I am hoping it is the least cost option to tell me where the leak is

Will be interesting to see what they do, it should be a visual check followed by a dry Nitrogen charge and some indicator dye...................trouble is I don't see Halfords doing that

I can't see Halfords having either of the above in the first place

[pscocoa]

Went to a local garage last year and they did not do the right thing - when I got a mobile chap round he said there is no way they could not have noticed such a massive leak - that was on the Phaeton. Thing is this is supposed to be a diagnostic check and not a re-gas so I am hoping it is the least cost option to tell me where the leak is

Will be interesting to see what they do, it should be a visual check followed by a dry Nitrogen charge and some indicator dye...................trouble is I don't see Halfords doing that

I can't see Halfords having either of the above in the first place

When I dropped it off they said they would be doing a nitrogen test to avoid unnecessarily discharging aircon gas into atmosphere. They have just phoned to say that they cannot find any leak and given that I had it gassed less than 2 years ago there is no evidence of any dye having been used n the system at all. So they will re-gas and see how it goes - could be a very slow leak but dye will show this up.

[Doctor Gollum]

Both cars should be under warranty. Start there

[pscocoa]

Car is ready - they say that following the re-gas they have Vac tested it and nothing showing. Fingers crossed.

[Entwood]

A vac check is not sufficient as a test .. it works in totatally the "wrong" direction so can only detect major problems .. it cannot detect a small leak at a joint as it sucks the joint tight ... whereas normal pressure forces it apart ....... applying suction (Vac) to a system that runs at around 14bar is useless... which is why a PRESSURE check with dry nitrogen is the only thing that works..... not rocket science but appears to be beyond the numpties who try to sell it.. and often succeed ..

[biggriffin]

A vac check is not sufficient as a test .. it works in totatally the "wrong" direction so can only detect major problems .. it cannot detect a small leak at a joint as it sucks the joint tight ... whereas normal pressure forces it apart ....... applying suction (Vac) to a system that runs at around 14bar is useless... which is why a PRESSURE check with dry nitrogen is the only thing that works..... not rocket science but appears to be beyond the numpties who try to sell it.. and often succeed ..

 Well said sir, but you can't tell some air-con specialist that.. about 5-8psi usually works, and if you've got no dye, a soapy solution using a spray bottle helps find leaks.

[Sir Tigger KC]

Groupon had a good offer a few months ago whereby I went to ATS Euromaster for a diagnosis and re-gas, on the understanding that if they could not re-gas the system, I would get my money back. They found a leak and I got my money back.
Check with Groupon as they could well be offering the same deal, especially as we are now entering the warmer weather.

Ron.

Yes the Groupon/ATS aircon deal is always worth looking out for!