1996 PORSCHE 911 M64.01/M64.03 (993)
993 / Coupe, Cabriolet, Targa / Global (primarily Europe, North America, Japan)
M64.01M64.03M64.20Exact year/trim recordGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Rear main seal leaks
- Oil leaks from valve covers and camshaft seals
- Wear on IMS bearing (less common than later 996 models)
First checks
- Check oil for metal particles indicating crankshaft bearing wear
- Inspect rear main seal and valve cover gaskets for leaks
- Verify functioning of ignition system and coil packs
Before replacing parts
- Save fault codes and freeze-frame data before clearing anything.
- Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
- Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.
Important notes
- The 993 was the last air-cooled 911 generation, highly regarded for engine reliability and driving dynamics.
- Market variations affect power ratings slightly due to emissions regulations and tuning. US spec had slightly lower power due to emissions controls.