Sounds like you have a pressure issue with the R-134, you either do not have enough, you have to much, or the system is blocked. My cherokee used to do that when I was sitting still because the pressure spiked as the condenser could not cool the R-134
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Originally Posted by cyberpyrot
is it a plink plink kerrrrdunk? or more of a brrrrrconk doc doc miiiidge pang!!!? or is it a badonk ka donk? if it is the latter its just the normal fat *** of the JK