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Posted on Jan 02, 2017
put half a litre of diesel in the oil and three second squirt of fariy liquid ,no cheap stuff allowed ,run for about a week and drain oil,then with the new oil in ,using the cheapest diesel oil you can get repeat again with diesel and fairy ,by this time they should have quitened down a lot,then change oil again using a diesel oil for a turbo truck change filter as well and then change oil every 6000 miles and a filter every third oil change
Posted on Jan 12, 2010
If you have an inline 6, 100K is nothing! Lifter noise can be due to low oil pressure. if pressure is good, it can be from cam wear, lifter being sticky inside, or a rocker pivot being a little worn. Most just get a bit sticky (internal hydraulic plunger inside a lifter or two). To fix that I generally change the oil to a good synthetic, add lucas additive or marvel oil and just give it some time to dissolve the gunk. It took time to get that way so don't expect the tapping to go away instantly...Most times it will begin to lessen in a day or two or up to a few weeks.
Posted on Mar 15, 2010
SOURCE: Loud lifter noise
Over time and miles the lifters tend to collapse and the only way to quiet the noise is to replace them or use something like lucas to try to keep the pressure up in the lifters. If you did replace the lifters it would help with performance because when the lifters start to collapse the valves do not open all of the way. Hope this helps!
Posted on Jul 30, 2010
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