So for the longest time, whenever I have the AC on and after driving a bit the compressor will knock only at idle. Give it a little throttle and it stops, let off and it's back. All fasteners are tight and the pulley nut is tight. Lines looked like they are routed fine. If I put my hand on the compressor while it's knocking, I don't really feel the knock. This is telling me that maybe the clutch is failing or has play in it when engaged?
I searched the forums and didn't really find anyone else with the same issue. Was just curious before I buy a new clutch and pulley assembly.
Other than the noise, the AC works awesome! I did read that and overcharge could cause the compressor to make noise, so I evacuated and recharged but still there. Also vacuumed the system and re-oiled the compressor.
I searched the forums and didn't really find anyone else with the same issue. Was just curious before I buy a new clutch and pulley assembly.
Other than the noise, the AC works awesome! I did read that and overcharge could cause the compressor to make noise, so I evacuated and recharged but still there. Also vacuumed the system and re-oiled the compressor.
AC compressor knock at idle
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