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4runnin · 05-17-2014, 09:35 PM

I get a similar sound on my 98 Boxter too. Cold start makes a grinding sound as the rpm's rise. Then its gone. If i drive the car around for a while or go to the store. On the next start it won't make the sound. It's very mysterious.

05-17-2014, 09:35 PM	#4
4runnin Offroader Join Date: May 2014 Location: Bay Area, CA Posts: 9	I get a similar sound on my 98 Boxter too. Cold start makes a grinding sound as the rpm's rise. Then its gone. If i drive the car around for a while or go to the store. On the next start it won't make the sound. It's very mysterious.