Nissan VQ Engine Valve Cover Bolt

There are diffrence of design for the engine manufacturer on how to fastern the valve cover gasket to the valve cover on an engine.

Some using traditional type of bolt and nut, but there are quite a number of the design is using valve cover bolt, (some may call it valve cover seal or valve cover bush).

The picture show the type of vlave cover bolt that use on Nissan Cefiro V6 engine, which is in the VQ series engine type. This may applicable for Nissan Teana, Murano and Elgrand.