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Found 2 results

  1. I had an oil change on the P!G (M1 synthetic) before a trip and that's when the trouble started... The driver side wheel well makes a gentle creaking sound at idle RPM, which seems to disappear at higher RPM. It sounded like a small frog quietly chirping in the wheel well and I was worried it was a turbo. When we popped the hood, there was sound of a vacuum near the intake. The PCV to crankase hose (part #5) collapses while the engine is running and the oil fill port sucks strong vacuum if the fill cap is removed. My local independent mechanic (I'm some distance from a Porsche specialist) found that hose 14 and 15 are both cracked and identified their failure as causing the sound. Cause of failure is presumed age/heat. Since replacing those two components are $370-400 in hoses, is there something else we should be looking into as a cause of these pipe failures? Searching the forums I came upon a discussion that makes me think maybe we should be looking at the PCV valve, air oil separator membrane, and the diverter valves? I'm wrench-familiar with NA cars and new to turbos so I'd appreciate your input. Is the restricted airflow or vacuum interruption causing turbo noise? Has anyone else seen this and what else should I be checking? We do see the boost gauge work normally or at least what it has historically (under acceleration it hits 0.8 bar/pegged and then holds near 0.6-0.7) before these issues started. The rest of the car seems to work well, aside from the a sticky secondary air injection check valve on the passenger side. Hoses 94810721753 and 94810721651 are cracked 2005 Cayenne V8 Twin Turbo 1085 944 early Oklahoma
  2. Folks, I started noticing this intermittent creak/groan on the driver's side front suspension, every time I egress the car, after a spirited drive. I have had some creaking due to the lubrication loss in the ball joint area from the rear and have used the hole-in-the-rubber-boot to inject grease to keep the noise from recurring. I did the same for the front, just to be sure. This noise puzzles me. Based on my research, it may be the front strut mount bearing but didn't want to go about replacing parts without your opinions. It doesn't occur when the steering wheel is moved from corner to corner though or feel different during a drive. Shows up only when there is downward pressure on the foot area in the driver side, during egress or when pressure is applied on the car side fender over/near the strut area. Here is a video of the latter, for audio on two creak/groans between the spring movement. https://www.youtube.com/watch?v=OkRMza6B3ms Appreciate your insights on what this can be... My car is clocking nearly 173K ...so wondering if this can be a simple DIY or figure out the need to have a complete strut bearing and/or strut replacement. Thank you, V
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