I'm assuming the the AC compressor clutch shouldn't be constantly engaged while the car is running, especially with the heat on max. Does anyone have an explanation for that??

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All it takes for evil to prevail is for good men to stand by and do nothing.

Too many people tip toe through life, never attempting or doing anything great, hoping to make it safely to death... Bob Proctor

'95 S320 LWB
'87 300SDL
'04 E500 wagon 4matic