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Author Topic: clicking noise sound about 6-7 times per second on load  (Read 19244 times)
crackerx
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« Reply #15 on: March 03, 2017, 11:20:34 AM »

when you mean "wastegate" you mean the Actuator or the internal turbo wastegate
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crackerx
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« Reply #16 on: March 03, 2017, 12:36:12 PM »

i removed the hose from turbo actuator and i do some runs
turbo pressure grow very fast (i know is normally) but the clicking sound is the same

pls hear new record  http://vocaroo.com/i/s1qFAPfIJ7xX
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KasperH
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« Reply #17 on: March 03, 2017, 12:57:40 PM »

In that audio clip it actually sounds to me like con rod chatter  Undecided
But I'm not certain Smiley
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4ringpieces
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« Reply #18 on: March 03, 2017, 01:31:04 PM »

That's vvt chain rattle
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crackerx
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« Reply #19 on: March 04, 2017, 08:53:09 AM »

That's vvt chain rattle
Shure in not the conrod because i do almost 2000km with this sound and engine still ok
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crackerx
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« Reply #20 on: March 04, 2017, 09:00:40 AM »

If is vvt chain why this sound appear only on boost pressure over 0.6bar and not appear if i rev engine to max in neutral
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crackerx
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« Reply #21 on: March 19, 2017, 11:48:02 PM »

problem solved, the sound comes from upper turbo gasket
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KasperH
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« Reply #22 on: March 20, 2017, 09:13:35 AM »

So the gasket manifold->turbo was leaking? Smiley
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crackerx
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« Reply #23 on: March 22, 2017, 07:55:47 AM »

the gasket between exhaust manifold and turbo..so strange no power loss all was OK but that sound make me crazy several weeks
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KasperH
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« Reply #24 on: March 22, 2017, 08:15:47 AM »

Yeah there's pretty high pressure in the manifold when you're on boost Smiley
It just have to be a needle sized hole to be audible.
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SB_GLI
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« Reply #25 on: March 22, 2017, 11:19:24 AM »

Very true.  My jetta with an F21 and highflow mani would make a "pew pew pew" sound at full boost until I got locking tabs for the manifold bolts to keep them from backing out.   Even now, I'll hear it every once in a while.
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