Dirty samples: How to keep your engine oil samples clean for lab testing

Last month we covered how important it is to sample your oil but just like anything else, how you do something is just as important as that you do something.

As simple as it sounds, there is a right and wrong way to collect oil samples for lab testing, and incidental contaminants are going to affect the results.

I’ve heard stories many times of oil samples testing positive for fuzz from shop rags, but even something as simple as dirty hand can throw an oil sample out of whack.

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Contents of this video
00:00 10-44 intro
00:27 Collecting engine oil samples
00:57 Contaminated samples
01:42 Best practices for collecting samples
04:16 When to pull an engine oil sample
05:02 Properly filling out the paperwork