Air drier purging every 30 seconds
I have rebuilt the air drier, replaced the governor and checked all the air lines. I'm down to the compressor unloader. Has anyone replaced/repaired one? 1999 dutch star Spartan 8.3 isc.
1999 Dutch Star DP3884, 2015 Camplite 6.8C
2022 F350XL reg cab 4x4 7.3