LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Does the AC compressor use any fluid?

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Old Jan 19, 2008 | 10:57 AM
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ssbowtie1's Avatar
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Does the AC compressor use any fluid?

I see fluid that looks very similar to power steering fluid around the ac compressor and coating the bottom of the pulley's and some hoses. However, I got to the power steering pump last night and really didn't see any leaks.

Is there any fluid that looks very similar to power steering fluid that is housed in the ac compressor? Also, is it common for the clutch to be very hard to turn by hand and randomly click on and off when the engine is running (If I look at the clutch I'll see it start turning for a second then stop while the engine is idling).
Old Jan 19, 2008 | 11:00 AM
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it has oil in it
Old Jan 19, 2008 | 11:11 AM
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Also with the defrost on the compressor will cycle on and off.It should spin freely when the clutch is off.
Old Jan 19, 2008 | 11:38 AM
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If the oil was leaking, wouldn't that mean that the refrigerant would have leaked out too? If I have the ac on it still blows cold air. Is there a logical explanation as to why the oil would leak but the refrigerant would not escape and still cycle?
Old Jan 19, 2008 | 11:41 AM
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put some dye in the system then check with a black light.......that will tell you.

It could just be low, or it could be oil from somewhere else
Old Jan 19, 2008 | 12:38 PM
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From: Jackstandican
Originally Posted by ssbowtie1
I see fluid that looks very similar to power steering fluid around the ac compressor and coating the bottom of the pulley's and some hoses. However, I got to the power steering pump last night and really didn't see any leaks.

Is there any fluid that looks very similar to power steering fluid that is housed in the ac compressor? Also, is it common for the clutch to be very hard to turn by hand and randomly click on and off when the engine is running (If I look at the clutch I'll see it start turning for a second then stop while the engine is idling).
Do you see any fluid spatter on the inside of the hood?
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