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Does your air conditioner cool at idle?

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Does your air conditioner cool at idle?

 
Old 10-31-2000, 06:21 AM
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oh yeah, this thing has the best a/c I have ever used in a car.
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Old 10-31-2000, 02:54 PM
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I had to put the car back in service today. So far they have no idea why the A/C keeps failing. After the defroster setting is selected the A/C fails and will no longer cool.
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Old 10-31-2000, 03:12 PM
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The reason why the A/C warms is because of the nature of the S2000 engine. The a/c compressor runs off of the engine, and as the rpms increase, it spools the compressor, which in turns cools the air. That's why it is cool at 5000 rpms, and not at idle.

If it was linear, it would overwork the compressor, vastly shortening the compressor's life. Just imagine how fast the compressor would be turning at 9000 rpms, and that's why the accessory is underdriven.

Coincidentally, that is how Civic people can extract 3 h.p. out of aftermarket underdrive pulleys. The accessories (a/c, powersteering) aren't taking up as much power from the motor, which frees up engine h.p. And, and as an added bonus, it will (potentially) make their accessories last a little longer.

So, next time you're just tepid at a light instead of cool, imagine how much nicer that is than having to fork out over $1k for an a/c system because the engine's revs work it too hard.
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Old 11-01-2000, 04:51 AM
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Originally posted by Ldogdotcom:

So, next time you're just tepid at a light instead of cool, imagine how much nicer that is than having to fork out over $1k for an a/c system because the engine's revs work it too hard.

Actualy the air is not just tepid, the A/C fails completely at any RPM these days...

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Old 11-02-2000, 11:47 AM
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There is a problem if your A/C does not cool at idle or any other RPM. The compressor may be at fault. After days of adjusting the expansion valve, low side and high side refrigerent pressures the compressor is being replaced. Maybe another weekend without my favorite toy
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