A/C Engine cooling fan switch question - ZR-1 Net Registry Forums

Matt B · 08-01-2021

In the high pressure side the A/C system has an engine cooling switch, presumably to switch on the cooling fans under certain conditions.
I tried to find out in the shop manual when exactly this happens but couldn't find anything. I'm still chasing down my A/C issues after r134 retrofit and today recognized that the fans don't run during compressor operation. In my other cars they do as soon as the compressor engages. Thanks!

Sent from my SM-G991B using ZR-1 Net Registry mobile app

08-01-2021	#1
Matt B Join Date: Jan 2021 Location: Beautiful Bavaria Posts: 523	A/C Engine cooling fan switch question In the high pressure side the A/C system has an engine cooling switch, presumably to switch on the cooling fans under certain conditions. I tried to find out in the shop manual when exactly this happens but couldn't find anything. I'm still chasing down my A/C issues after r134 retrofit and today recognized that the fans don't run during compressor operation. In my other cars they do as soon as the compressor engages. Thanks! Sent from my SM-G991B using ZR-1 Net Registry mobile app __________________ ZR-1 #638/1991

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