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AC compressor not working

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Old Jul 4, 2020 | 07:56 PM
  #1  
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Default AC compressor not working

Okay, here is the run down. I replaced this ac compressor 2 summer's ago. The ac light currently blink and the compressor clutch would intermittently spin and stop. I took it to my local mechanic and he vacuumed the ac system, checked for leaks and attempted to refill with freon.

No leaks detected btw.

The ac light still would blink. So I replaced the ac clutch relay with a Toyota relay from the dealership. (Wasted money) but the ac Light continued to blink.

Now.. what's crazy is when we vaccuumed all the freon out the system and turned the ac back on, the ac light doesnt blink and the compressor clutch stays engaged (spinning).

I left the shop and few days later drove around around to make sure the compressor clutch would continue staying engaged (spinning) with no freon, all while not receiving blinking ac lights.

I decided to recharge the system myself with freon and now the lights blinks again and the clutch no longer engages or should I say stays on.

Thoughts?

Last edited by rgrant159; Jul 4, 2020 at 07:59 PM.
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Old Jul 5, 2020 | 06:07 AM
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Originally Posted by rgrant159
Okay, here is the run down. I replaced this ac compressor 2 summer's ago. The ac light currently blink and the compressor clutch would intermittently spin and stop. I took it to my local mechanic and he vacuumed the ac system, checked for leaks and attempted to refill with freon.

No leaks detected btw.

The ac light still would blink. So I replaced the ac clutch relay with a Toyota relay from the dealership. (Wasted money) but the ac Light continued to blink.

Now.. what's crazy is when we vaccuumed all the freon out the system and turned the ac back on, the ac light doesnt blink and the compressor clutch stays engaged (spinning).

I left the shop and few days later drove around around to make sure the compressor clutch would continue staying engaged (spinning) with no freon, all while not receiving blinking ac lights.

I decided to recharge the system myself with freon and now the lights blinks again and the clutch no longer engages or should I say stays on.

Thoughts?

Which compressor did you put in two years ago? New? Oem? Rebuilt? Denso ones are $280 on Amazon and rock auto.
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Old Jul 6, 2020 | 12:45 PM
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This ac compressor was bought off ebay.
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Old Jul 6, 2020 | 12:47 PM
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Originally Posted by Oceans13
Which compressor did you put in two years ago? New? Oem? Rebuilt? Denso ones are $280 on Amazon and rock auto.
it was bought from ebay.

**update - since charging it myself the compressor clutch has been staying engaged, however when I drive and let's say come to a red light or when the car slows down the ac light begins blinking again.
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Old Jul 6, 2020 | 05:13 PM
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Maybe one or both of your fans aren't working, or working hard enough? If it's only when the car is stopped or slowly moving, the pressure may be getting to high and it tells it to turn off.
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Old Jul 9, 2020 | 05:48 PM
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Check the ground on the compressor.
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Old Jul 9, 2020 | 09:01 PM
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Originally Posted by TrueGS300
Maybe one or both of your fans aren't working, or working hard enough? If it's only when the car is stopped or slowly moving, the pressure may be getting to high and it tells it to turn off.
Hmm, but if my fan is working, then what?
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Old Jul 9, 2020 | 09:02 PM
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Originally Posted by ZanderZ32
Check the ground on the compressor.
The clutch wouldn't engage at all if it were a ground, correct?
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Old Jul 10, 2020 | 10:17 AM
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Get a new denso one, not an ebay
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