Quote:
Originally Posted by edryer986@gmail.com
My mechanic put Mobil 0 40 in my Boxster. Previously he had used Mobile 10 W 30.
When car is at operating temperature, I hear a new rattling noise from my exhaust. When clutch is depressed, noise goes away. Is the cause of the noise the weight of the oil or do I have other problems?
Thanks
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the answer to the op is the oil has nothing to do with the rattle. period