Squawk Box

April 2001 Issue

Beware Fat Gasket

Champion filter kits may have been packaged with a gasket that won’t stop leaks

The following information is derived from the FAA’s Service Difficulty Reports and Aviation Maintenance Alerts. Click here to view "Airworthiness Directives."

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Every Champion CF0100 and CF0101 oil filter is packaged with a gasket kit that contains a copper gasket, a square rubber gasket and a flat rubber gasket – all of which are used to prevent the oil filter housing assembly from leaking. Some of the square gaskets may have been manufactured thicker than called for in the manufacturer’s specifications. The square gasket, supplied in the kit, should be 0.180 inch thick. Some gaskets were found with a thickness of 0.25-inch. The manuf...

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