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Loud rattle followed by loss of engine oil pressure and power in 2011


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While returning home today, I heard a loud knocking sound in the engine and then lost engine oil pressure followed by PSM failure and break failure. There is oil all over my driveway and in my garage. I have sent an email to the dealership so I should hear back from them in the next few days. Thankfully the car is a CPO vehicle. I wonder I where the leak is from.

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The dealer's service department said today that the crankshaft pulley had cracked. They have a part coming in tomorrow and it will be repaired. They then run the car through several tests and test drives to make sure it is up to specs.

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The dealer's service department said today that the crankshaft pulley had cracked. They have a part coming in tomorrow and it will be repaired. They then run the car through several tests and test drives to make sure it is up to specs.

And that also causes oil lose?

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That is what the service department told me. They are supposed to replace the part and then run tests on the engine to make sure. Something else could have start the oil loss problem and the crankshaft pulley just cracked due to insufficient engine oil.

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Well the dealership called me today and said that the car is finally fixed and back to Porsche specs. It was just the crankshaft pulley that had cracked. No other problems were found and all tests have come out well. I will take charge of the vehicle tomorrow.

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Good news.

It must have cracked on the central hole and split through and then come off the crankshaft end. This would have caused loss of drive to the power steering pump. I assume the circular oil seal would also have been scored and need to be replaced.

Watch out for oil leaks when you get it back.

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  • 5 months later...

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