Here is a diagram, is the part your talking about #9 in the diagram?
When it is clicking, how many time does it click in 30 seconds?
Is the air conditioner cooling good?
here is the diagram again, sorry.
Thank you for the reply, that is the A/C compressor, there is a clutch, coil and a pulley attached to the front of the compressor, with the way your describing the concern, there may be a coil problem, worst case scenario if the compressor is shot, there are a few other components that will need to be replaced also due to contamination of the system, your looking around $1200.00, best case scenario if its just a coil concern around $400.00, hope this helps.
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The clutch pulley is attached to the A/C compressor, there are three componets attached to the compressor, the field coil, which enguages the clutch to operate the compressor, when the clutch is energized it pulls aginst the pulley that inturn is making the compressor operate, when the clutch is energized thats where the clicking noise comes from, here is a diagram .
The SC115 A/C compressor has the following characteristics:
When battery voltage is applied to the A/C compressor clutch field coil, the clutch plate and hub assembly is drawn toward the A/C clutch pulley. The magnetic force locks the clutch plate and hub assembly and the A/C clutch pulley together as one unit, causing the compressor shaft to rotate. When battery voltage is removed from the A/C compressor clutch field coil, springs in the clutch plate and hub assembly move the clutch plate away from the A/C clutch pulley.