Porsches are susceptible to intermediate shaft bearing failure due to a couple of factors. The InterMediate Shaft (IMS) is a geared shaft that passes through the engine and extends out the front and back. Its job is to leverage the mechanical rotation of the engine's crankshaft to drive the camshafts on either side of the engine via those gears. IMS bearing failure disturbs cam timing, forcing pistons and valves to clash, resulting in shattered valves, smashed pistons, and other engine damage in the worst-case scenario. Before fully delving into the causes of this problem, let's highlight some early warning signs that show that your Porsche's IMS bearing is nearing its demise. Possible early warning signs ●      An oil leak coming from the engin ... read more