Quote:
Originally Posted by Joe B
Another IMSB related question. I was going to have a "Preferred Installer" in Pasadena CA put an LN ceramic IMSB in my 2003 Boxster S that I recently bought, for peace of mind. Then, low and behold, today I discovered the service booklet with the owner's manual, which says the engine was replaced in October of 2006 (not IMSB related). My question is, what should I do? I know that after 2005, the engine cases need to be split to install the IMSB. Is my only reasonable recourse to get the engine number and see which bearing it needs? I don't want the installer to pull the transmission and clutch, only to find out that I don't have the single row bearing. I don't need a clutch, it was just recently replaced, and the dealer said the IMSB looked fine, whatever that means. Suggestions?
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If the engine was replaced in October of 2006, it has the non-serviceable oversized IMS bearing that would require a full engine tear down to replace. But you still have some options: Add a Guardian warning system, which would alert you should the bearing (or other major component) start to go south. Switch to a high ZDDP full synthetic oil, add the LN spin on filter and magnetic drain plug. If at any time in the future the trans has to come out, like a clutch job, have the rear seal removed from the OEM IMS bearing so it gets splash lubrication. Any, or all, of these would help in the long term.
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