986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - Does this rumbling noise sound like the idler pulleys?

BoxsterInTheSun · 09-11-2025, 11:05 AM

I have a rumbling noise that occurs at idle most of the time, moreso when the car is cold. I managed to capture the noise in this video.

Before I order the 2 idler pulleys, am I on the right track here?

Thanks as always in advance!

09-11-2025, 11:05 AM	#1
BoxsterInTheSun Registered User Join Date: Oct 2024 Location: San Jose, California Posts: 128	Does this rumbling noise sound like the idler pulleys? I have a rumbling noise that occurs at idle *most* of the time, moreso when the car is cold. I managed to capture the noise in this video. Before I order the 2 idler pulleys, am I on the right track here? Thanks as always in advance!