05-20-2019, 08:34 PM
it could be that cat recommends a 60k valve lash check. my only data point is the shop that i go to that has hundreds of charter buses. and has done work on detroits for me. so do what you feel comfortable with and take all of our inputs and decide what makes sense for you.
tom
tom
2002 45'8" Newell Coach 608 Series 60 DDEC4/Allison World 6 Speed HD4000MH