Timing belt inspection and adjustment on Porsche 928

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