Subject	From a different post
Posted by	Cjw3 on April 29, 2013 at 8:02 PM
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In Reply To	Uh oh... posted by stockplayerz(nyc) on April 29, 2013 at 07:51 PM
Message	A Rod knock will go away if you add load (Give it throttle). Lightly loaded and fast spinning, they will KNOCK!.. A Slightly worn Rod Bearing will not knock at Idle. If the Rod Knock is severe, and the bearing is ‘Toast’, then it will just Knock, and not be load sensitive. Rod Knock is a 'Hefty' sound from lower in the engine, and if you pull the plug wire ( or how ever ) to get that cyl not to run, the sound will go away. That trick is mostly true for any of the lower cylinder related problems (not valves) .. So If you get to the injector plugs, you will be able to drop the fuel to each cyl, one at a time, and see if it's a "power train knock".. this would be pistons rods etc. This way you can tell what cylinder is the culprit. Valve train noise will be only speed related and not load related.. tend to be a 'Lighter' noise and higher up on the engine, and it's only HALF of the engine speed Cj
Follow Ups	Uh oh... - stockplayerz(nyc) 19:51:07 04/29/13 From a different post - Cjw3 20:02:58 04/29/13 Great info, thanks! (n/m) - stockplayerz(nyc) 20:47:39 04/29/13
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