greasemonkeyssd Posted August 28, 2012 Share Posted August 28, 2012 Anyone one know how to charge the ac on the new mp7 & mp8 engines on the GU813 & MRU?I can find a high side port for guages but no low side port. Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/27041-ac-charging/ Share on other sites More sharing options...
staxx Posted August 28, 2012 Share Posted August 28, 2012 Low side will be on firewall . Quote Link to comment https://www.bigmacktrucks.com/topic/27041-ac-charging/#findComment-135422 Share on other sites More sharing options...
Marcus Stegall Sr Posted Sunday at 08:11 PM Share Posted Sunday at 08:11 PM Does anyone know where the low side a/c recharge port is located on a 2023 MD6 box truck? Quote Link to comment https://www.bigmacktrucks.com/topic/27041-ac-charging/#findComment-574132 Share on other sites More sharing options...
The Heinz Posted Monday at 04:08 PM Share Posted Monday at 04:08 PM From what I gather from Impact, it's on the suction side hose that runs from the firewall to the compressor (It's the bigger hose, less pressure). There's no pictures online of them, nor do I have one to take a picture of, so here's the breakdown in Impact. It may or may not be accurate to the real hose. Quote Link to comment https://www.bigmacktrucks.com/topic/27041-ac-charging/#findComment-574203 Share on other sites More sharing options...
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