A abnormal noise may be noted from the differential due to a ring gear/pinion failure.
Resources for the Repair and Maintenance of your 2003 Porsche 911 Turbo
2003 Porsche 911 Turbo
2003 Porsche 911 Turbo Problems
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Cam tensioner/cam timing issues can cause the Check Engine Light to illuminate.
A small leak in the coolant reservoir can cause persistent coolant loss. To ensure engine longevity, coolant loss and overheating issues need to be resolved. Out technicians tell us the proper coolant fill procedure must be followed when refiling the cooling system.
Pay close attention to warning lights and have the brakes inspected regularly - immediately address any brake problems. Hard driving habits will cause excessive brake pad and rotor wear.
An internal transmission problem can cause difficulty engaging or downshifting from second gear. Improved parts are available as of the 1997 model year.