[05greendmax]

ok iv had my airdog on ther 4 like 3 weeks now iand its making more noise then it was do i have to oil it or what do u have to do to it to quiet it down

 

[DuramaxSMOKE11]

is the pump sucking air some how and making it cavitate

 

[05greendmax]

i doint know i will look