Engine Valve Guide Wear: Porsche 911 Engine & Powertrain

Problem overview

Engine issues related to valve guide wear are common. Oil consumption, smoking at first startup, and valve train noise are all symptomatic of loose guides and worn valve stems. The valve train is complex and should be thoroughly inspected if a problem arises.

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Porsche 911 vehicles with this problem

9 model years affected

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Engine Valve Guide Wear on Porsche 911

Problem overview

Porsche 911 vehicles with this problem

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