Subject	Before adding anything to the oil determine what the noise>>
Posted by	ZUL8TR on May 07, 2010 at 5:11 AM
	This message has been viewed 169 times.
In Reply To	Knocking sound in my engine? posted by derrek1280 on May 04, 2010 at 07:47 PM
Message	is. Get an engine stethascope or just use a long screw driver or long thin (1/2") wood dowl rod. Place one tip on engine and the other againast your ear. Probe the engine parts. As Draker (Eugene, OR) states lifters are a higher pitch tick and very noticable from top side, a knock is a dull sound more noticable from below. A rod knock can most times be located by removing the spark to that cylinder and listening to the change in the sound. If the rod bearings are suspect the sound will reduce when spark is removed from that cylindere. Loose piston slap noises are harder to determine and can sometimes dissappear when the engine warms up. Finding noises can be a PITA but patience is required. How is the oil pressure? The OEM dash gage is only approximate and actual pressure requires a mechanical gage be installed to check. What weight and brand oil have you been using? ZUL8TR in Orlando,FL
Follow Ups	Knocking sound in my engine? - derrek1280 19:47:36 05/04/10 Could be lifters - 91ttzx 20:09:50 05/04/10 Likely a lifter. - Draker (Eugene, OR) 00:16:36 05/05/10 It's actually a flush, Heartland Xtreme Clean (n/m) - BobbyT 15:43:21 05/05/10 is it good to use on the twin turbo?? - 91ttzx 08:45:32 05/06/10 You just idle with it, no load (or boost) - BobbyT 21:31:07 05/10/10 Before adding anything to the oil determine what the noise>> - ZUL8TR 05:11:11 05/07/10
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