What kind of bearing failure does a Porsche 996 have?
Because of its location, it’s not very easy to get to. When Porsche decided to go to water cooling in the 911 with the 996 generation, they came out with an engine designated as the M96. This is where IMS bearing failures started with the 911. The Boxster also has a version of this engine, but it was released earlier in this car than in the 911.
Where is the oil leaking on a Porsche 911?
Adjacent to the right cam oil line on the later cars is the oil pressure sending unit. This unit has a tendency to leak where it is attached to the case, and also from its own housing. Carefully inspect the sender, and replace it if you think that it might be leaking.
Where is the dry bearing on a Porsche M96?
This is located directly below the crankshaft. Porsche originally designed the M96 IMS bearing to be known as a dry bearing, which means it has enclosed grease and is not lubricated by oil flow from the oil pump. Oil can get into the bearings grease and dilute it, causing the assembly to overheat and fail.
Where is the IMS bearing on a Porsche 911?
The IMS bearing or Intermediate Shaft Bearing is a very important engine bearing that sits at the end of the engine closest to the transmission. Because of its location, it’s not very easy to get to. When Porsche decided to go to water cooling in the 911 with the 996 generation,…
Is there an oil leak in my Porsche 911 4s?
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How much will it cost to repair Porsche 911 rear main seal?
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What kind of shaft did the Porsche 996 use?
The basic design and use of an intermediate shaft was by no means a new development in the then-radical and new water-cooled “M96” engine developed for the 996.
How many Porsche 911s have bad IMS bearing?
However, in the real world less than 5% have actually failed or can be directly linked to an engine failure. Porsche shipped approx. 77,000 vehicles to the USA that could have a bad IMS bearing. Even the most enthusiastic counting of IMS failures produces a total around 3500 or less than 5%.