Forum Discussion
wolfe10
Jan 19, 2017Explorer
Two choices:
1. Follow the recommendations of your engine manufacturer for your engine AND MODEL YEAR. I know both Caterpillar and Cummins recommend once a year irrespective of mileage.
2. Do oil analysis to determine if your oil is still in good condition.
1. Follow the recommendations of your engine manufacturer for your engine AND MODEL YEAR. I know both Caterpillar and Cummins recommend once a year irrespective of mileage.
2. Do oil analysis to determine if your oil is still in good condition.
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