10May2010
Intermediate Shaft Bearing
Ooops, I said it, the dreaded IMS issue of the boxsters and 996’s. This weekend we tackled upgrading the IMS bearing in a buddy’s 1999 996 C2. The IMS issue is the main cause of failures on the engines found in the early boxsters and 996’s. The early design was a dual row ball bearing, followed by the later design of a single row bearing. Typically failures are seen on lower mileage cars that are driven sporadically. The theory for …