The ‘Blood Test’ for a School Bus Engine

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Why is oil analysis described as a blood test for engines?

Fleet managers and technicians might have been hearing a lot lately about the importance of oil analysis in their preventative maintenance programs. But why’s this so? We asked technology expert Bob Pudlewski, who is also the chair of NSTA’s maintenance and technology committee, to explain it to us.

Let us know if you’re using oil analysis by voting in our current Web poll on the home page.

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