I bought this compressor second hand.Compressor seems to fill fine reaching around 8bar before cutting out. When I try to use an impact wrench, there is very little pressure. I can stop the wrench from turning with my hand. The regulator is set to max. Any ideas would be gratefully received !
SOURCE: A/C compressor clutch won't engage, system won't cool
Your system might be low on freon. Get a kit with a hose that has a gauge on it so you can see if you are in the "Good" range. The cycling switch won't close unless there is enough freon in the system. You can temorarily jumper the connector for the cycling switch to see if the compressor will come on. If it does, you are low on freon for sure. Do not let the compressor run for more than 15 - 30 seconds with it jumpered.
report back results.
SOURCE: A/C compressor cycles on/off
You could have a slow leak and the system is low on R134 and soon will stop running. The other thing to look for is the relay to the A/C compressor and switch it with an other relay or just replace it since there not that expensive. The pressure switch is an easy replacement to do, you just have to be quick so you don't lose all the R134 out of the system. Recap, recharge the system and get a proper reading on your high and low side A/C lines. To much R134 will also give you the same problem. Good luck and hope this helps.
SOURCE: no air reaching air bags/compressor does not come on when car turned on
This is a very common problem with all Lincolns. The air ride suspension are marketed as a luxury-comfort item but most do not know that they have a 100% failure rate and are designed to fail as shortly after the warranty expires as possible. The air bags that support the weight of the vehicle are not designed to withstand temperatures below 40 degrees or above 94 degrees and are very prone to dry rot. Once the bags start getting tiny cracks and leaks they start overworking the compressor. (Picture trying to blow up a balloon with holes in it.. you will try for as long as you can but will ultimately have to give up) These air ride systems can be very difficult to accurately diagnose the first time and consequently very expensive. Most people seem to be converting to a passive suspension system these days as the ride quality is too similiar to notice a difference and the reliability is paramount. http://www.strutmasters.com offers a high quality conversion kit that utilizes powder coated American steel coil springs that are actually designed to last the lifetime of the vehicle. http://www.strutmasters.com/lincoln-suspension-parts-s/1.htm there is a direct link to the Lincoln page. I hope this helps save some of you a little bit of grief and a lot of money in the long run!!
SOURCE: 1996 lincoln towncar. No a/c compressor engagement unless jumped
the control unit is no good.i had a similar situation with a 98 tracker,and installed a switch to give it a ground for the compressor relay that comes from the a/c computer module.
it works good and goes on and off with the a/c switch.
SOURCE: Air conditioner intermittently works. check low
I haven't found a really good wiring schematic of the A/C on these cars. But, I can tell you that I had an intermittant problem with my Civic air conditioner that sounds similar to yours.
Mine would work fine in cool and warm weather, but when the outside temperatures got hot, it would quit working. The fan would blow; the system had a good charge on it; and the green A/C indicator light on the A/C on/off switch showed the system as being "on". Despite all the indicators saying the A/C is "on", the compressor clutch wouldn't come on when the weather got hot.
In my case, the reason it stopped working when hot, was due to some poor solder connections at the A/C on/off switch, which is part of the Heater Control Assembly.
I removed my Heater Control Assembly (challenging job), and pulled apart the Heater Control Assembly (more challenging) to access the solder connections for the A/C on/off switch. I resoldered those connections (six solder points) and put everything back together and everything has worked perfectly ever since that time (two years).
I have never seen a wiring schematic that shows this switch with more than three connections, and that is why I haven't posted a schematic for you. If you want the usual schematic(s), you can find one on autozone.com for your Honda.
If you are not comfortable pulling apart the Heater Control Assembly, and soldering those connections, you can install a new assembly which is available on-line. I saw one listed through Majestic Honda for about $240.
I hope this helps.
Good Luck, Mark
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