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Screech Noise from engine bay

fedmax

By fedmax
in 996 TT, 996 TT S, 996 GT2

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fedmax Member

fedmax

Posted
Posted

Hi all

I have a strange noise coming from the engine bay, might be temperature related (0 degrees celsius here) but want you input anyway. The v-belt got replaced in service recently and did a different screech but it could come from that as it is irregular.

What do you think? here is the noise on video:

http://www.swissportal.net/videos/IMG_0357.MOV

jpflip Member

jpflip

Posted
Posted

Cannot open the video but check your steering pump reservoir level and also take a look at this TSB...

post-29683-0-97233400-1296700831_thumb.j

fedmax Member

fedmax

Posted
  • Author
Posted

Cannot open the video but check your steering pump reservoir level and also take a look at this TSB...

Ok, did some analyzing today, it doesn't change when I steer or press the clutch. Seems to come from the belt or one of the rolls where the belt is on. I'm changing exhaust tomorrow and will let the mechanic have a look.

Twinturbofan Member

Twinturbofan

Posted
Posted

I had an oil seperator sart to fail and it made a loud intermittent whistling noise by preasurizing the crankcase. 50 miles later, the oil seperator failed completely.

fedmax Member

fedmax

Posted
  • Author
Posted

Probably serpentine idler or tensioner pulleys!

This is probably it , we couldn't ave a look last weekend as the exhaust replacement took double the time because of a bad srew nut.

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