Fidel Hernandez Posted March 11, 2021 Share Posted March 11, 2021 Im new with macks and I will like to know how the differential lock is activitaded in Mack 2016 613chu, when i press the switch i hear the air activated by tandem then press again and hear a click noise, not sure when is activated, dont want to damage the differential, thank you, and if i turn off the switch will go back to normal. Thank you Quote Link to comment Share on other sites More sharing options...
Joey Mack Posted March 11, 2021 Share Posted March 11, 2021 there is a bank of celenoids on the frame rail or a cross member rear of the cab. each one has a job. that is where you can find if air is being sent to the powerdivider, and fifth wheel nd suspension, and air ride,,, anyway, you get it... your truck is a Volvo.... jojo Quote Link to comment Share on other sites More sharing options...
Fidel Hernandez Posted March 11, 2021 Author Share Posted March 11, 2021 Joey thank you for the info. Quote Link to comment Share on other sites More sharing options...
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