Thread: Engine markings
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Old 05-27-2003, 05:50 PM
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sixto sixto is offline
smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 18,745
In some cases I believe there's a yellow dab of paint so the dealer can tell if a component's been touched. One of the bolts to be loosened to adjust injection pump timing in Diesel engines usually has a dab of paint.

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