...engine is running to maintain zero lash in the valvetrain. This results in quiet operation. So if the rocker arms are clattering, it tells you something is amiss (bad lifter or worn or damaged parts) ...
...lifter or worn or damaged parts) or the rocker arms need adjusting.DAMAGED ENGINE PARTS NOISEInspect the valvetrain components. Excessive wear on the ends of the rocker arms, cam followers (overhead ...
...engine would have a pretty good knocking noise due to no oil to your lifters. Ok thats the easy stuff, if after replacing the oil sending unit you still have problem then yes you may need an oil
...lifter galley. Many people have seen evidence that these engines were originally designed for solid lifters and were retrofitted with hydraulics for the U.S. market. The oiling system feeds all the ...
...lifter noise is likely to stop. Are you getting a CHECK ENGINE light, or an OIL PRESSURE warning? Have ODB codes checked, and be prepared to replace the oil pump or oil pickup tube, especially if the ...
lifter noise could be dirty oil stopping up lifters orifice holes where engine need oil and filter change, oil could be too thick or too thin if oil has antifreeze in it due to leaking intake manifold
...from more than one lifter. If you are that low on oil, you have probably done some serious damage to your engine. In short, without tearing the engine down you can do nothing for a noisy
Question about Ford Expedition
...engine has a roller camshaft and lifters. Does it make lifter noise or are you just asking general knowledge? I am in agreement with Edward Hurst. They are automatically adjusted by the the hydraulic ...
Question about GMC Cars & Trucks
...noise put in a new oil pump and still have no oil pressure what could it be Did the oil pressure get checked with another guage before replacing oil pump? The oil pressure sensor is a commom failure ...
Question about Ford Expedition
...to replace any lifter. Of course, a high volume oil pump with a new pickup won't hurt, but try the least invasive solutions first as if the engine is very badly worn the pump won't help much
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