Quote:
Originally Posted by California98Civic
... Any expectation that bump-starting wears on the drivetrain much?
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Not being an automotive engineer - I can't say. How's that for straightforward?
Anyway, I'm confident that bump starting has about zero wear on the engine. In fact any time spent in EOC should have less wear than if the engine was idling or coasting in gear.
As for wear on the clutch - My guess is the small clutch "event" in spinning up a warm engine is far less wear than your typical moderate start from a stop. In normal use you're getting an entire car to move, in bump starting you're only imparting enough energy to rotate a few pounds of engine parts.
So far as I know, we haven't heard any tales here of people needing a new clutch due to lots of EOC and bump starting. I would hope that if someone on this board or another fuel economy message board had that experience, they would have mentioned it.