What kind of oil does a Porsche 993 use?
There are two oil filter in the 993 engine, Porsche added an additional oil filter on the 993 engine to provide extra filtration of the oil for the protection of the hydraulic lifters. Parts you will need to replace on this DIY: About 11 quarts of Mobile 1 oil, (Or the oil of your choice) Seal washer for oil tank drain plug, 22x27mm
Why is oil leaking from the bottom of my Porsche 993?
Although the 993 has a dry-sump lubrication system, oil can settle in the bottom of the cases and seep past the return tube o-rings with the engine off, leaving you with an oil puddle. These tubes are easily inspected for leaks and can be replaced rather quickly. Figure 7. Underside of engine showing oil return tubes.
Is the Porsche 993 the last air cooled car?
This article applies to the Porsche 993 (1993-1998). The Porsche 993 is the last iteration of the air-cooled engine 911 and is therefore the culmination of years of engine development. However, even with the best engineering, age will eventually catch up with items such as rubber seals and o-rings located in the engine.
Can a through bolt be replaced on a Porsche 993?
The replacement of a through-bolt o-ring is not as simple as removing the bolt and swapping in a new o-ring. The engine is required to be disassembled for the o-rings to be replaced. As with the timing chain cover gaskets, 993 owners will typically live with a through-bolt leak until an engine rebuild or engine disassembly is necessary.
Although the 993 has a dry-sump lubrication system, oil can settle in the bottom of the cases and seep past the return tube o-rings with the engine off, leaving you with an oil puddle. These tubes are easily inspected for leaks and can be replaced rather quickly. Figure 7. Underside of engine showing oil return tubes.
There are two oil filter in the 993 engine, Porsche added an additional oil filter on the 993 engine to provide extra filtration of the oil for the protection of the hydraulic lifters. Parts you will need to replace on this DIY: About 11 quarts of Mobile 1 oil, (Or the oil of your choice) Seal washer for oil tank drain plug, 22x27mm
This article applies to the Porsche 993 (1993-1998). The Porsche 993 is the last iteration of the air-cooled engine 911 and is therefore the culmination of years of engine development. However, even with the best engineering, age will eventually catch up with items such as rubber seals and o-rings located in the engine.
The replacement of a through-bolt o-ring is not as simple as removing the bolt and swapping in a new o-ring. The engine is required to be disassembled for the o-rings to be replaced. As with the timing chain cover gaskets, 993 owners will typically live with a through-bolt leak until an engine rebuild or engine disassembly is necessary.