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 [...]
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Posted in Porsche Manuals. Tags: Bulletin, Carrera, Coupe, cylinder, Head, L SOHC, oil, Porsche, Refacing, Service, surface
Maintenance Schedule and Inspection Procedure Porsche 968 Variocam Assembly
The procedure does not include any necessary repair work that may be necessary as a result of the inspection findings. Variocam is a mechanism that allows the intake camshaft timing to be varied for different engine operating conditions, thereby maximizing torque. In the 968 engine, the exhaust [...]
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Posted in Porsche Manuals. Tags: Inspection, Maintenance, Porsche, Procedure, Variocam
