Speed related buzz and dump valve q's
16 October 2003, 04:45 AM
#1
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Hi,
Getting a loudish medium pitch buzz from the front of my '96 (MY 97) WRX, between 90- 100.. er on the track
Not feeling anything through the steering or chassis, prodded, poked and shook everything I can think of with no joy.
Anyone got any idea?
Also, where's the dump valve? know what they look like but can't find it! Shouldn't it be on/ near to the I/C? I/C is black with STI sticker on it so may have been changed by prev owner?
Need to find it and change to a re-circ before the wife divorces me. lol
[Edited by SHAGGY6603 - 10/21/2003 2:51:56 AM]
Getting a loudish medium pitch buzz from the front of my '96 (MY 97) WRX, between 90- 100.. er on the track
Not feeling anything through the steering or chassis, prodded, poked and shook everything I can think of with no joy.
Anyone got any idea?
Also, where's the dump valve? know what they look like but can't find it! Shouldn't it be on/ near to the I/C? I/C is black with STI sticker on it so may have been changed by prev owner?
Need to find it and change to a re-circ before the wife divorces me. lol
[Edited by SHAGGY6603 - 10/21/2003 2:51:56 AM]
21 October 2003, 08:14 AM
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sumtimes i get the same kind buzz noise, sumtimes i dont
never tracked it down sumtimes when i get it, i can slow down then pull away again and its not there
never tracked it down sumtimes when i get it, i can slow down then pull away again and its not there
21 October 2003, 08:33 AM
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guys, this buzzing is probably a loose heatshield. mine does that and is normally when enginer under load at low revs. i get them to tighten it every service and its ok for another few weeks before starting again....
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21 October 2003, 05:22 PM
#8
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Try cleaning the actuator valve, I read recently that they can stick and cause a hum. Probably a small amount of engine oil inside.Let me know the outcome please.
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