03-12-2017, 01:10 PM
What do you have for an air dryer on your coach? Check the purge valve.
Mine came apart & it would not let the air pressure build.
Another thing to look for is the air pressure governor - it is between the compressor & the dryer.
Mine came apart & it would not let the air pressure build.
Another thing to look for is the air pressure governor - it is between the compressor & the dryer.
1987 classic #159
8V92 MUI , Allison 740