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13-11-2016, 11:33 AM
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#1 | ||
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Regular Member
Join Date: Dec 2015
Location: West of Melbourne
Posts: 488
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Hi Guys
This noise is giving me the sh$ts. Any ideas?
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Cheers Ozrider AUII XR8 200KW FG MK2 XR6 Mini 850 Rover P5 3 Litre Mk1 |
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13-11-2016, 01:16 PM
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#2 | ||
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FG XR6 Ute & Sedan
 Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,524
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Do you have the standard air ducting and if so is the donut (or it is black pudding sausage ) shaped duct (correctly called a "Helmholtz resonator") around/ above the passenger's side shock tower in place and properly attached? It stops standing wave vibrations from inducted air that both makes that sort of noise and interferes with the correct functioning of the MAF. Named after Helmholtz resonance or wind throb which is the phenomenon of air resonance in a cavity, such as when one blows across the top of an empty bottle.
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regards Blue Last edited by aussiblue; 13-11-2016 at 01:24 PM. |
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13-11-2016, 01:23 PM
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#3 | |||
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Regular Member
Join Date: Dec 2015
Location: West of Melbourne
Posts: 488
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Quote:
__________________
Cheers Ozrider AUII XR8 200KW FG MK2 XR6 Mini 850 Rover P5 3 Litre Mk1 |
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13-11-2016, 01:28 PM
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#4 | ||
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FG XR6 Ute & Sedan
Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,524
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Still sounds like Helmholtz resonance; check the air filter is not inverted, no holes in ducting and the air box lid is on properly. Also check under front bumper that the plastic splash guard has not fallen down.
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regards Blue |
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13-11-2016, 03:18 PM
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#5 | ||
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Regular Member
Join Date: Dec 2015
Location: West of Melbourne
Posts: 488
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Pulled everything off the air intake, cleaned all the joins and reassembled with a bit of good old Vaseline. Sealed up all the joint around the snorkel and the airbox.
Test drive shortly. I suspect it's the snorkel / airbox join, lots of gaps.
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Cheers Ozrider AUII XR8 200KW FG MK2 XR6 Mini 850 Rover P5 3 Litre Mk1 |
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13-11-2016, 03:29 PM
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#6 | ||
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Regular Member
Join Date: Feb 2010
Location: Brisbane , Queensland
Posts: 204
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I have had something very similar.
It was the heater valve tap. The diaphragm was stuffed. Never really noticed due to the fact never use hot control living in Queensland. This is connected to the heater controls via the vacuum line , constantly " wistle sucking" noise as it could not form a vacuum due to the diaphragm. It may not be the problem but worth a look. Check to see if the valve moves when changing from hot to cold on the dial. Cheers Dazza
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AU XR8 Pursuit 250 , Monsoon Blue AU XR8 Rebel , Monsoon Blue |
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13-11-2016, 03:44 PM
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#7 | |||
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Regular Member
Join Date: Dec 2015
Location: West of Melbourne
Posts: 488
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Quote:
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Cheers Ozrider AUII XR8 200KW FG MK2 XR6 Mini 850 Rover P5 3 Litre Mk1 |
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Loud Whistling sound on accelaration
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