Cummins ISL valve adjustment interval
Reading my new-to-me Cummins manual and it says a top end service (valve adjustment) should be done on the ISL at 150,000 miles or 48 months. My rig is 6 years old but only has 36K miles. I am havin...
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Cummins told me not to even thing about adjusting the valves until 250,000 miles. We are averaging about 8-10,000 miles a year. At just over 60,000 miles, no oil usage, I have the oil and filters changed every 10,000 miles. I will go over about 1,800 miles on this next change.
MM.
MM.
