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evaporator replacement


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No the evaporator is the cold bit inside the car, it will look the similar to a heater matrix in as much as its pipes with fins over them. I dont know for certain where it is but it would be easy to find if you trace the gas pipes. How do you know it is leaking? I am an Aircon Engineer so this is my Mastermind subject! The whole job is not a DIY job, as it will need a Vacuum pump and Pressure test and Gas, but it would make it a lot cheaper if you could do the `monkey` work and then just get it checked after.

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Norwich, so probably not very economical to get it done by me up there in Leicester. In my opinion Service on Car A/C is not worth the money. The most problems come from blocked Condensers on normal A/C, where the fins get blocked with dirt. That is not a problem on a car as the wind rushing through it when you doing a ton will do a good job of cleaning it out! The most important thing on car A/C is to run it for a 15 mins once a week, most car A/C leaks come from the seals on the Compressor, running it lubricates them and keeps them soft. Which gas is your car on? If it is R134a you can regas it yourself. YOu can buy a can of it from Halfrauds etc. There should be an idetification plate somewhere on the car and this will tell you which refrigerant it is on. PM me if you want to know more.

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hi dellert, i had the system regassed and the vw specialist did a leak test using UV light etc and found a leak in a few places, now that all the leaks have gone, he noticed a leak coming from under the car and said its where the drain hole or something where the evaporator sits near the matrix.

was quoted 300 pounds labour to replace.

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Sounds reasonable. I guess it depends on how valuable the A/C is to you. Is it working now? In my opinion for 300 notes plus parts I would have it charged with refrigerant and then see how long it works for, if it last the summer be happy and go and get it filled up again next summer, you could go for several summers like that before you clear £300, if it lasts a couple of weeks, then go change your evaporator. Leaks on A/C are like leaks on everything, you get big ones that loose gas faster than you can put it in, and you get little ones that just need a top up now and then. Personal choice i guess, proper job or quick fix?

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