Timing belt inspection and adjustment on Porsche 928

Timing belt life cannot be ascertained by inspection only. The timing belt and water pump must be maintained using the correct belt-adjustment tool. 
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Average mileage: (–)
Engines affected: 5.0L V8, 5.4L V8
5 model years affected: 1990, 1991, 1993, 1994, more1995
5 people reported this problem
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