Boxster Whine

[Smallblock454]

Hello Giller,

the noise you hear in the video directly after startup is the SAI. But that doesn't change frequency if you hit the gas pedal.

As Gelbster said, remove the panel behind the seats and start the engine (2011 987 II has this also). Maybe you can locate the noise immediately. If not, remove the v-rib belt and check every component.

Also you can run the engine for a short time without v-rib belt just to check if the noise is gone with no v-rib belt. So it will be caused by something else.

The noise can also be caused by the v-rib belt itself. So check it for wearing signs. If it is weared, replace it. You can also clean the belt and components. The v-rib belt and all belt pulleys have to be clean. Don't use any oils like WD40. Everything has to be oil free.

Regards, Markus