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Reload this Page 782 series 2 knocking sound
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  #1  
Old 03-22-2014, 04:38 PM
yeeter yeeter is offline
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Location: MA
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Default 782 series 2 knocking sound
Attempting to attach a file here.

Its been too long, I cant tell if this is a valve or something more serious. Anyone care to take a guess:

Ok, never mind - can anyone tell me how to upload an audio file without needing a movie making file and/or youtube? (seems I can only upload image files here??)

Or just pm me and I will email it (would be better though to share with the larger community)
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  #2  
Old 03-29-2014, 03:17 PM
yeeter yeeter is offline
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Ok, try this now. Ignore the picture its of a 1650. The audio is my 782. Not sure if anyone can tell much from listening this way - a ticking or knocking that seems to reduce when the RPM's increase.

I stood in front of the muffler with the iphone.

https://www.youtube.com/watch?v=6I4Y...ature=youtu.be
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  #3  
Old 03-29-2014, 04:19 PM
J-Mech J-Mech is offline
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Kinda hard to tell from the audio, but I think it sounds like either a blown head gasket or an exhaust leak. I'd pull the hoods and shrouds and check it all out. I really think it's a head gasket.
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Old 03-29-2014, 04:25 PM
yeeter yeeter is offline
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Pulling the heads would likely learn something one way or the other... could inspect a few items that way
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Old 03-29-2014, 05:21 PM
BCDSFCRET BCDSFCRET is offline
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Default Bcdsfcret
Before you pull every thing off the engine. Do a compression test. You should be able to locate which head gasket leaks.
Brian
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