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International Automotive Technicians Network
Root Cause of Piston Breakage Between Rings?
Posted to Technical Theory Forum on 4/8/2011 73 Replies

NetTheorists:

Recently, there was a vehicle in the shop with multiple cracks between piston rings. It was a 2009 Subaru WRX (Impreza) 2.5L turbo 5-speed manual with 38K miles. For those who might not be familiar, that's a 'flat/opposed-pairs' engine configur... Login to read more.

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