What years did Porsche have IMS bearing issues?
Since it has also been verifiably documented that some IMS bearings have failed after just 3,000 miles, while others still have lasted for 200,000 miles or more, the only safe conclusion that can be drawn is that all M96 and some M97 engines in Porsche 911’s (996 or 997), and all Boxsters (986/987) from 1997 through …
What is the IMS bearing in a Porsche?
Intermediate Shaft
What is an IMS bearing? IMS stands for ‘Intermediate Shaft’, and the IMS bearing supports the intermediate shaft, on the flywheel end of the motor (See here). The purpose of the intermediate shaft is to drive the camshafts indirectly off the crankshaft.
Are there any IMS bearing issues in the Porsche 997?
Most late 2005 and early 2006 997 models are included and, as mentioned earlier, a very small percentage of those cars were affected. But if there is doubt in your mind, most experts completely rule out any IMS bearing failure on 2007 and newer 997 models, as some engine components were updated and no incidents have been reported so far.
What kind of bearings does a Porsche use?
Porsche designed these motors using a sealed ball bearing that is pressed into the intermediate shaft ( Figure 6 ). These types of bearings are typically used in things like copy machines and other machinery used in dry conditions. In theory, the area where Porsche designed the bearing to sit is supposed to be dry.
What kind of bearing does a Porsche M96 use?
Intermediate shaft bearing upgrade kit for Porsche® M96 engines originally equipped with dual row bearing. Replaces the OEM bearing with custom ceramic hybrid dual row bearing. Intermediate shaft bearing upgrade kit for Porsche® M96 engines originally equipped with single row bearing.
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.
When did Porsche start using dual row bearings?
Starting with model year 2000 and ending with 2001 models, Porsche Boxster and 911 engines were fitted with both dual row and single row intermediate shaft bearings.
What kind of IMS bearing does a Porsche 986 have?
Failure rates for engines with their original Porsche IMS bearing will only increase as these engines get older. But before ordering a replacement IMS bearing to upgrade your Porsche 986 or 996 engine, it is important to identify which intermediate shaft bearing your engine actually has. What IMS bearing does my engine have?
Intermediate shaft bearing upgrade kit for Porsche® M96 engines originally equipped with dual row bearing. Replaces the OEM bearing with custom ceramic hybrid dual row bearing. Intermediate shaft bearing upgrade kit for Porsche® M96 engines originally equipped with single row bearing.
When did Porsche Boxster’s IMS bearings fail?
A 2007 Porsche Boxster S with 27,000 miles and new engine, was for sale on Autotrader August 2013, this car had the uprated IMS bearing. I emailed owner asking whether engine failure was IMS related, see email, these uprated bearings are still failing at various mileages.