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Discussion Starter #1
Have had a Move Up from new for over 5 years and never really used the air con (I know bad mistake)

The ac just doesn't blow very cold, so took to ATS today for a recharge on a Groupon deal and before I'd even handed the keys over they kept mentioning leaks and said they'd do a test for leaks lasting 20 mins first.

40 minutes later they returned saying I had a leak and my brake fluid was dangerously low, so they couldn't do the recharge and put through a refund.

Thing is I had a service 2 weeks ago, I definitely have brake fluid, and they've lost both plastic screw on caps for the air con. Also my dash cam shows they only had the car in the garage for 5 mins... Not very impressed

If I do have a leak, does anyone have a ballpark idea on how much it'd cost to repair? I'd really like cold air!

TLDR air con apparently leaking but not entirely convinced - if it is how much will it cost?
 

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I recall having a "re gas" at around £60 -£70 inc. leak test but I had no leaks so whatever it cost on top of that I suppose.
 

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If you don't use your aircon regularly, even in winter, the gas will eventually leak out as the seals aren't getting lubricated. I use mine at least once a week in Winter, just to keep everything ok. Never had a problem with the gas leaking out by doing that. You could have it regassed, but eventually it will leak out again, quicker than it wouild have done if you'd maintained it correctly.
 

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Have had a Move Up from new for over 5 years and never really used the air con (I know bad mistake)

The ac just doesn't blow very cold, so took to ATS today for a recharge on a Groupon deal and before I'd even handed the keys over they kept mentioning leaks and said they'd do a test for leaks lasting 20 mins first.

40 minutes later they returned saying I had a leak and my brake fluid was dangerously low, so they couldn't do the recharge and put through a refund.

Thing is I had a service 2 weeks ago, I definitely have brake fluid, and they've lost both plastic screw on caps for the air con. Also my dash cam shows they only had the car in the garage for 5 mins... Not very impressed

If I do have a leak, does anyone have a ballpark idea on how much it'd cost to repair? I'd really like cold air!

TLDR air con apparently leaking but not entirely convinced - if it is how much will it cost?
I would check with the garage where you had your service done that the brake fluid was checked/topped up.

Normally, I would suggest that people stay well clear of fast fit places (kwikfit, ats, national tyres etc.) as some of the branches would give Donald Trump a run for his money for sharp business practices. However, in your case they seem to be turning down work and not trying to rip you off!

I would get a second opinion from a reputable local garage that you trust and take things from there.

In terms of price, you might be looking at an initial @£50-80 for a regass/testing and UV compound that will show where the leak is.

Then depending on the results you might need just a pipe replacing or a more expensive part such as a condenser.

Last A/C leak I had was in a Merc CLK about 10 years ago and that was a new condenser and there was no change from £400 at local A/C specialist.
 

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Apart from seals on the compressor, you can get leaks from the evaporator, condenser or expansion valve - I know from other vehicles that it's often a fractured pipe-join, or a small split in a core.

If you are really lucky, it might be one of the two service valves that is leaking (most likely the one on the high-pressure side), or possibly the seal to the desiccator cartridge or even the pressure-relief pop-off valve (if Up!s have either of them), or a simple pipe coupling...

Be careful who you let mess with your aircon, as not only will it need regassing after the repair, but also oiling with the correct PAG lubricant (which is the lubrication 911ts3 refers to above) it kind of mixes with the liquid-state gas and swishes around the system, but needs to be the right stuff in the right amounts.

I am puzzled by the other issue - lack of brake fluid - sounds like a master or slave cylinder is leaking. Can you see any oily deposits near the bulkhead or the brakes (wheels off to check) ?
 

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I forgot to add that a specialist can often identify exactly where a leak comes from by electronic sniffers or UV dyes added to the R1234yf refrigerant....

(I'm no expert, but I had a guy work for me once who had design experience in chiller systems (it can be quite scary stuff), and I tend to tap all such people with skills for info! Also had a PhD guy who had designed chassis systems, numerically, which was far more interesting.)
 

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Discussion Starter #7
Thanksall, super helpful. Hopefully I know what to look out for now! Will take it to a more reputable local garage! I get the feeling that ATS just couldn't be bothered!

I realise i should have maintained it in the first place, but had no idea at 17 when I bought the car! Lesson learned.
 

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Sorry if I'm missing something but are you saying you took the car in for AC recharge and the garage refused because your brake fluid was low.
 
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