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Registered
Join Date: Oct 2001
Location: San Carlos, CA US
Posts: 5,542
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$20 for a squeak !
I got a 964 C4 engine on a stand because a broken head stud was found some time ago. The car has been mostly parked since then. However, there is a squeak while the engine is idling and it is not a belt squeak even though it does sound like a belt. Best I could do was to identify that it was coming from bank 1 under the car.
Well, bank 1, cylinder 1 has one missing head stud. The squeak could not be replicated by turning the engine so ... further disassembly hopefully will tell what is squeaking. $20 for the winning guess of what the squeak is. 
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Porsche 2005 GT3, 2006 997S with bore-scoring Exotic: Ferrari F360F1 TDF, Ferrari 328 GTS Disposable Car: BMW 530xiT, 2008 Mini Cooper S Two-wheel art: Ducati 907IE, Ducati 851 |
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01-03-2021, 04:37 PM
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My guess: Combustion gasses escaping past the head seal on ignition.
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01-03-2021, 04:45 PM
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