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Head Gasket Service Bulletin 1989 Porsche 911 Carrera 4 Coupe

Posted: 13 Nov 2009 02:15 AM PST

Head Gasket Service Bulletin 1989 Porsche 911 Carrera 4 Coupe When repairing oil leaks from the cylinder to cylinder head sealing area on engines prior to the above engine numbers, all cylinders and pistons should be replaced and all cylinder head sealing surfaces refaced. Cylinder head nuts are reusable. Importance notice : Replacement piston and cylinder [...]

Head Gasket Service Bulletin 1989 Porsche 911 Carrera 4 Coupe