LS - 4th Gen (2007-2017) Discussion topics related to the current flagship models LS460, LS460L and LS600H

Intermittent AC

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Old 10-06-12, 12:18 PM
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eyeain
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Default Intermittent AC

Lexus LS460 2008.
My AC compressor cuts off at low speed if i accelerate or turn it off and then on it comes back.
It never happens at highway speed only in town could it be relay problem? where is the AC compressor relay located? Any suggestions thanks in advance.
Old 10-07-12, 02:59 PM
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diagtime
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are you sure you're not overheating? has the a/c system been worked on or the car wrecked. it sounds like the a/c system is overcharged.
Old 10-09-12, 08:52 AM
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WhitBaby
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Do you have it on "Auto"?
It will cycle on and off when trying to keep a constant temp as indicated on the digi readout.

Whit
Old 10-11-12, 12:37 PM
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eyeain
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Originally Posted by diagtime
are you sure you're not overheating? has the a/c system been worked on or the car wrecked. it sounds like the a/c system is overcharged.
thanks it was a salvage and car front end was repaired but problem started 6 months after the car was repaired.The temperature gauge does not show any obvious overheating,Do you mean more gas than whats needed?
Old 10-11-12, 03:07 PM
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diagtime
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yes, more refrigerant than needed will create too high pressure under certain conditions and the compressor will turn off until the pressure comes down
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