![]() ![]() The Club assumes no responsibility for any effects arising from errors or omissions. The opinions expressed on this site are not necessarily those of the Club, who shall have no liability in respect of them or the accuracy of the content. We have more technical information on our website on this topic. ![]() I would also advise dropping the oil pan for inspection from time to time as well. You may consider a magnetic drain plug to further help in identifying early signs of debris being generated by the IMS bearing. I would additionally recommend changing your oil every 6 months or 5,000 miles and use a quality 5w40 (Millers, Driven). There is no need for a direct oil feed for the factory ims bearing as the bearing will be submerged in engine oil once you have the grease seal removed. I wouldn't worry too much about it after you pull the grease seal. We don't have a how-to for this, but I found a short video on YouTube that shows seal removal on a ball bearing: The larger bearing found in MY06-08 engines has the same load capacity as the early dual row, which have proven to be the most reliable of the factory bearings. ![]() Just be sure not to loose it in the engine when you do remove it. There is a black plastic seal on the front of the bearing - you would use a dental pick or something similar to pop the seal out of it's groove. At that time, you can reseal the IMS flange and have the rear main seal replaced as well. When you have your clutch replaced, it's best to have the grease seal removed off the original bearing to allow engine oil to better lubricate it. The debris generated by this invasive procedure will compromise the engine. Although there is a company that sells a tool and kit to bore the block, allowing you to change the bearing, you should never under any circumstances do this. If you have the non-serviceable bearing, the IMS can be changed with complete engine disassembly. We would estimate about a 1% failure rate. The incidence of failure with a 2006-2008 M96 or M97 Engine as found in the Boxster, Cayman, and 911 that have the larger (but non-serviceable) IMS is highly unlikely. There is a small chance that you have the non-serviceable bearing, which isn't a big deal. Just depending what you find may change the route you take. ![]() I wouldn't let that stop from changing the IMS bearing out. With a 2005, depending on build date, it is possible that you do indeed have a serviceable single row IMS bearing. We get emails almost daily with owners of 2005 model year Boxster and 911 models. ![]()
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February 2023
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