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Cummins Engines - Coolant and Maintenance

Cummins Engine  

Cummins has released a recommended maintenance schedule for replacing the coolants for the B5.9 and ISB/ISB02 Cummins engines. The information pictured below is available on our website in printable pdf format:

Maintenance Schedule

S1003 Service Update

Driver's Heater
  1. Initial valve lash adjustment at 24,000 miles, subsequent adjustments performed at 48,000 mile intervals.
  2. Antifreeze should be drained and replaced at 2 years or 200,000 miles, whichever occurs first.
  3. Charge air cooler should be replaced at 2 years or 200,000 miles whichever occurs first.

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