A/C Stopped Working -- What to check? - Page 3 - LotusTalk - The Lotus Cars Community
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post #41 of 46 (permalink) Old 08-22-2014, 11:40 AM
glb
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Usually dye is added to refrigerant, so leaks can be pinpointed. Black light?

Only then would you know if the clam had to be removed.

05 elise (BOE Rev300 supercharged, SSRs, shift tower mods, Multivex; HID hi/low beams); 05 Corolla XRS. Past '72 Elan Sprint (I restored), Lotus 7 w/X-flow, TT Supra, Bugeye Sprite, BMW 2002 & 2002tii, '65 GTO.

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post #42 of 46 (permalink) Old 08-23-2014, 01:56 PM
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My A/c stopped and I added freon (about 17 ounces) and the pressure is in the 30's on the low side and around 280 on the high side. The temperature outside was 100 degrees according to my friends point and shoot temperature gauge. I had the roof off and my friend aimed it at the vents and the temperature was around 70. Is this normal? I remember doing the AC mod and the temperature was around 38 degrees when I stuck a home indoor/outdoor temperature probe down the vent, but that was with the roof on and in the winter.

Also I replaced my switch pack and noticed that if I turn on the fan and then press the a/c button the ac turns on, and then it shuts off if I turn the fan speed dial off. If I turn the fan speed switch back on, the A/C switch light stays on and the ac comes on. Before it used to stay off and I had to press the button again to get the ac to turn on. Did they change something on the cars after 2005 since I am using a newer switch pack module?
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post #43 of 46 (permalink) Old 08-23-2014, 06:17 PM
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I believe the 2006 and above a/c will remember if it was on or off last time you used the blower.
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post #44 of 46 (permalink) Old 07-19-2015, 08:34 PM
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Bringing a year old thread back from the dead.

My 05 Elise has had a problem blowing fuse #19 for a while now. I live in the pacific northwest, so most of the year it's no problem since I don't need AC, but we've been having a hot summer this year so it sucks not having AC.

Everything else on the system is fine - fan blows fine, plenty of refrigerant, etc. But when I replace fuse 19, the AC compressor relay fuse, it's good for maybe 30 minutes of nice cold AC operation before the fuse blows again.

Could it just be a bad AC compressor relay?
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post #45 of 46 (permalink) Old 06-29-2017, 03:39 PM
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My a/c stopped working. Compressor doesn't come on. Shop said it might be the trinary switch or the refrigerant is low.

Is there a way to check the refrigerant level without evacuating and recharging?

05 Elise, ST, sports, touring, hardtop, DBA 4000 slotted discs, Ferodo DS2500 pads, Sector 111 gpan3, EP Tuning Quickrack, Pro Alloy rad, DS brace, HnT pad, front and rear tow hooks, CG lock, ORE double cup holder (caffeine for track); '86 911 Targa (sold); '68 MGB (being restored)
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post #46 of 46 (permalink) Old 06-29-2017, 04:50 PM
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buy gauges

harbor freight

you need to trouble shoot the trinary, thermostat and switch pack to know
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