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What are the two purpose of valve clearance

(2010 BMW 528i xDrive)
in Clinton, IA on November 02, 2012
purpose of valve clearance
Displaying 3 answers & 2 comments
Popular Answer
on November 02, 2012
its purpose is to provide a clearance
of Greg's Orange Auto on November 02, 2012
valve clearance is the clearance between the valve puck and rocker its necessary for 2 reasons, the valve needs to be completely closed during firing and to make complete combustion and the exh needs to be open at the right time to let exhaust escape. improper valve clearance will cause a multitude of issues like misfire or fuel not burning properly
on November 02, 2012
So you're saying there is a pretty clear purpose for clearance of valves?
on November 02, 2012
Yes, valve clearance has a pretty clear purpose.
on November 04, 2012
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