3406E 2ws Air system Problem

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Manraj_Gill6, Nov 30, 2021.

  1. Manraj_Gill6

    Manraj_Gill6 Bobtail Member

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    Nov 30, 2021
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    Hey guys, Im new here to TruckersReport, but after seeing so many threads and helpful advice i decided to post my problem here aswell !

    My father has a 2000 Freightliner FLD 120 with a Cat 3406e 2ws. over the last weekend his air compressor safety valve just started to leak. we replaced it with a new one, and now it leaks again but only at 110-125psi and when accelerating. does anyone know what it could be?

    btw the secondary air tanks frooze up and in were not building air, so we used some Safe-t-brake and it the tanks were good after.
     
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