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Lifter noise is not uncommon.
Bearing noise is usually deeper and comes from farther down in the engine. Lifter noise is more of a ticking and is up in the engine heads.
a broken valve spring could be the cause, or a lifter. Start by checking the compression for the number 8 cylinder, then remove the valve cover to inspect the rockers and lifters.
Tapping valves is a noise made by too much clearance between the valve lifter and the valve. Modern engines have hydraulic lifters. If you have too little oil pressure or run the engine low on oil, the lifters will make noise. The lifter can also wear out.
Collapsed hydraulic valve lifter? Rocker arm (valves) need adjusting?
Depending on the vehicle, it most likely needs adjustment.
There's a ticking noise under my 2002 tahoe. If it is a lifter. Can you tell me what a lifter is? And is that the reason why my service engine light won't go off. Someone told me that it had to do with some box that holds wires under the truck. Is that true?
A clicking noise in the engine of a 91 Ranger could indicate a problem with the valves. A valve lifter in the engine may be worn or stuck.
on a 98 ford taurus what are the symptoms of a bad hydralic valve lifter
lifter tick or a spun rod bearing
Fixing or replacing damage parts. You can try heavier oil. 10w40
a broken rod or valve lifter