1989 Porsche 911 Carrera 4 Coupe AWD F6-3600cc 3.6L SOHC Owner Manual Ebook

Oil leakage between cylinder and cylinder head. Oil “leakage” in the case of 911 Carrera 2/4 engines means oil leaking (drops forming) from the cylinder to cylinder head mating area, resulting in oil wetness on the lower area of the cylinder head or on the exhaust heat exchangers. Due to higher operational temperatures of the Carrera 2/4 engines, some blackening (carbonizing) of oil at the lower sealing area is possible. If there is only a small discolored area on the bottom of the cylinder head without wetness, this can be considered normal and no repairs are necessary.

General Information:
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. Here available for download the file of 1989 Porsche 911 Carrera 4 Coupe AWD F6-3600cc 3.6L SOHC Owner Manual Ebook at link below.


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