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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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Air conditioning failureViews : 1997 Replies : 12Users Viewing This Thread : |
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Apr 30th, 2004, 08:59 | #11 |
Master Member
Last Online: Today 16:38
Join Date: Dec 2001
Location: Lincolnshire
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RE: Air conditioning failure
my t5r was doing this and when the guy checked it he said there was a some gas still in it. when he let some out the compressor woulndt run at all. so you might just be low. if you get a uv torch from maplins or some where you can check the system your self. to check the evaporator take out the resistor box or if you want a better look take out the fan as well. i dont think many aircon people will bother doing this. also the guy that did mine charged £58.75 all in, including topping up my dye. check they weigh the gas going in and make sure the system is temperature checked also. my guy put a thermometer in the centre vent and shut the doors put it on full cool, he said it should reach between 3c and 6c mine hit 3.1c. while youve got the fan out it might be an idea to clean the evap unit, especially if youve not got a pollen filter fitted. the guy that did mine also said he could do an evap unit change for about £300, if it is your evap unit. and the best thing is he came to my door to do the job. anyway heres his details:
Vehicool 68, Ripon St Lincoln Lincolnshire LN5 7NQ Tel: 01522 575858 i found him through this web site: http://www.autoclimate.com/welcome.html warning not all of the people on this database charge the same. i think its like a yellow pages type search system.
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Apr 30th, 2004, 21:28 | #12 |
Premier member
Last Online: Jul 29th, 2017 15:54
Join Date: Nov 2002
Location: southern edge of birmingham
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RE: Air conditioning failure
so everyone has to have their units recharged every year?
The system is sealed the same a home unit except for the drive on the pump. Therefore if the seal is ok it should'nt leak. |
May 4th, 2004, 10:51 | #13 |
Premier Member
Last Online: Apr 17th, 2019 22:01
Join Date: Dec 2001
Location: .
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RE: Air conditioning failure
>so everyone has to have their units recharged every year?
Not necessarily. But they will need their AC recharging when the level of refrigerant is low enough to affect the compressor working effectively. >The system is sealed the same a home unit except for the >drive on the pump. It is not used / operate in the same way as a fridge, and it's not subject to the same adverse conditions. >Therefore if the seal is ok it should'nt leak. In an ideal world, it shouldn't. Yet they do - quite frequently. And leaks can be quite difficult to trace, even with dye and UV lighting. And when they are found, they can be rather minor - yet probably quite expensive to put right. You can bombastically claim it's just like a fridge, therefore it shouldn't leak - but they do, and you'd be wrong - it's not *just* like a fridge, and it's not used just like a fridge, and it's not able to operate in quite the ideal circumstances that a fridge is. The bottom line, is that car AC systems do tend to leak over time. Sometimes it's minor, and more effort and expense than it's worth to find the leak. Other times it may be more obvious. But regardless, it's quite easy to detect when a car AC system is low on refrigerant. |
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