Quote:
Originally Posted by CarGuyNeil
Quote taken directly from the L&N information that I posted above: "Early models used a stronger dual row sealed ball bearing which was replaced starting in model year 2000 with a weaker, sealed single row ball bearing which had a much higher failure rate and was the subject of the Eisen class action lawsuit settled by Porsche."
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Quote taken directly from LN IMS website:
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*Model year 2000 and 2001 engines came from the factory with either a dual row or a single row bearing IMS. Some late model year 2005 engines were also fitted with a larger bearing that is not serviceable without a complete teardown of the engine. It is impossible to verify what bearing is needed by VIN or engine number. Visual inspection is the only reliable method to determine which type of bearing is needed in these engines."