r600 Posted January 27, 2009 Share Posted January 27, 2009 can anyone tell me whats the go when i release the maxi's the maxi brake dash valve leaks air.maybe it's a chamber leaking back through the hand valve?if its is do i just remove a air line from the spring brake side when there released an dcheck for air???help,thanks adrian Quote Link to comment https://www.bigmacktrucks.com/topic/8120-maxi-brake-leak/ Share on other sites More sharing options...
MACKS Posted January 27, 2009 Share Posted January 27, 2009 More than likley the dash valve is bad,had the same problem a few times and had to replace the dash valve.Good Luck Quote Link to comment https://www.bigmacktrucks.com/topic/8120-maxi-brake-leak/#findComment-29901 Share on other sites More sharing options...
Rob Posted January 27, 2009 Share Posted January 27, 2009 can anyone tell me whats the go when i release the maxi's the maxi brake dash valve leaks air.maybe it's a chamber leaking back through the hand valve?if its is do i just remove a air line from the spring brake side when there released an dcheck for air???help,thanks adrianShoudl be a PP-1 valve in the dash leaking. That is typical. You can take it apart and put an "O" ring kit in it, or they are inexpensive to replace outright.Rob Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment https://www.bigmacktrucks.com/topic/8120-maxi-brake-leak/#findComment-29902 Share on other sites More sharing options...
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