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Old 06-22-2013, 09:03 AM   #11
TheSheerOg
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Ok so seems to be normal then, just need to figure out why its cutting out blowing nice cold air in after 30 minutes or so. I noticed Halfords do a free air con check so i might check with them first. Should the front fans kick in when blowing cold air in ? They come on when i put the defrost on. The air con had been completely empty for a couple of years and never used until i had it refilled, so could it be that has caused something ?

Last edited by TheSheerOg; 06-22-2013 at 10:44 AM. Reason: Scrapped previous question
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Old 06-22-2013, 09:54 PM   #12
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Originally Posted by TheSheerOg View Post
Ok so seems to be normal then, just need to figure out why its cutting out blowing nice cold air in after 30 minutes or so. I noticed Halfords do a free air con check so i might check with them first. Should the front fans kick in when blowing cold air in ? They come on when i put the defrost on. The air con had been completely empty for a couple of years and never used until i had it refilled, so could it be that has caused something ?
Yes. If it wasn't done right then this could be the issue and if it was empty then at one point there was a leak somewhere.
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Old 06-22-2013, 10:21 PM   #13
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Yes the fans are supposed to come on to draw air through the condenser which aids in cooling.

If the system was actually OPEN to atmosphere, then you will need to have the system evacuated and the receiver/drier (or accumulator. Not sure what the Focus uses) replaced. It contains a desiccant bag which absorbs moisture... just like that little package of silica gel you find in clothing stuff etc.
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Old 06-23-2013, 07:57 PM   #14
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Yes, you're spilling out more and more to tilt your responses. Sounds like system has water in it that freezes across orifice after half hour to make system quit cooling. If someone refilled with no vacuum a major mistake. Need new accumulator too. System does not have to be OPEN if left down on charge that long, simple night/day temperature changes will aspirate air into the system through a leak as it breathes from parts getting hotter and colder.
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Old 07-01-2013, 10:03 AM   #15
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Finally got the free test from Halfords, they said they could not see anything wrong physically with any of the parts used in the system, could not detect any leaks, and just found the gas was a bit low. They suggested it could have been the low pressure causing the condenser to go off/on quite regularly, and also why it seems to stop producing cold air after roughly 30 minutes.

For them to better diagnose it they said I should have a refill, see how it goes from there and if the problem continues to then drain it and get some dye in there to look for hairline/pin prick leaks.

Not sure where to go from here, a refill makes sense (considering how much I use AC and defrost), but fear if the issue continues (with air con dieing out) its going to get very expensive.
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