986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - Porsche discloses frequency of IMSB failures.

Steve Tinker · 03-27-2013, 04:10 PM

Probably a single row bearing........
These bigger bearings were used untill 2000 & some early 2001 builds when Porsche again reverted to single row bearings. But removal of the transmission to inspect the bearing carrier is the only true way of knowing.

03-27-2013, 04:10 PM	#7
Steve Tinker Registered User Join Date: Dec 2008 Location: Queensland, Australia Posts: 1,522	Probably a single row bearing........ These bigger bearings were used untill 2000 & some early 2001 builds when Porsche again reverted to single row bearings. But removal of the transmission to inspect the bearing carrier is the only true way of knowing. __________________ 2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley. 2001 MV Agusta F4. Last edited by Steve Tinker; 03-28-2013 at 05:50 PM.