Gentleman, many questions keep coming up on valve adjustments and seems different
views comes from many service shops. I have posted, valve adjustment information for Caterpillar
engines including the Cat C-9. To help everyone that may have questions on this subject can be
obtained from Caterpillar Dealer. Testing and Adjusting ( C-9 On Highway Engines ) Media
Number -SENR9513-06. 1 / 1 / 2006 Engine Valve Lash - Inspect/Adjust SMCS - 1102-025
Dave Atherton Retired Cat Mechanic