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Unusual startup noise Carrera 3.2

I

ivath

New member




Yesterday I started my Carrera 3.2 after valve adjustment and new oil. The oil pressure came quickly and the engine ran smooth and with no unusual mechanical noise. As always. In the evening I jacked up the right side of the car to change the right front shock absorber. The car was standing in this angle for approximately 3 hours. After finishing the right side I should move the car and when I started the engine I could hear some clacking and rumbling I had never heard before. I could not hear it at idle, but it started at 1500-2000 rpm. The engine was running for two or three minutes, when I turned it off. The oil pressure was approximately 4 bar at idle. I then just started it again and the noise was completely gone! The engine ran just like it has always done. Can anybody explain this? The weather was unfornately very cold yesterday with 32 degrees F in the evening and I guess the mineral oil of 15/40W was rather thick.[FONT=verdana,geneva"]

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