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Maintenance, Mods, & Tips Mods | Tips | Repairs & Troubleshooting

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Unread 09-26-2018, 08:28 PM   #21
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I don't recall my A/C light ever flickering but if the compressor is cycling as often as you say I would have to think that is abnormal.
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Unread 09-26-2018, 11:00 PM   #22
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Yeah, I agree. So I'll see what a shot of freon does.

After the car was in the two shops for so long, the AC compressor apparently went bad and Aaron Scott had a guy replace it in my car. So that was how long ago? 8 years? Can that be right? Damn.....
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Unread 09-27-2018, 06:53 PM   #23
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Hooked up the manifold to the AC system today and checked pressures and air temps inside the car. The compressor was clicking on and off when I cranked up the engine. I purged the lines and then started feeding a little bit of refrigerant at a time into the system as I monitored things. Pressures looked pretty good and the air temp was in the high 40s, but honestly, I didn't add very much refrigerant at all. The can still felt like most of the coolant was still in it based on weight. But I certainly didn't want to overfill it.

After the engine cooled down for several hours, I went back out into the garage and started the car up, and didn't get any of the light cycling that I would often get on the AC button. I'll try again tomorrow after the engine has cooled down overnight.

Alternator seems to be working just fine and getting a solid 14 volts to the battery at idle.

Might not get to do a test drive until the weekend, though.
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Unread 10-03-2018, 02:35 AM   #24
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Took the car out for a test drive today. The AC light flickered briefly when I started up the car, but seemed to stabilize quicker than before. Might need a bit more refrigerant, but that can wait for another day. The air blowing out of the vents is certainly cold enough feeling.

Car ran like a champ. Not even a hint of drivetrain noise at all. Alternator was pumping out 14 volts, but a couple of times sitting at idle I did see it drop down to 13.5 volts. Good enough, I guess.
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