Question about Hyundai Motor 1998 Sonata

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Hi , I've got a tapped noise on my Sonata 2.0 L GL4. Can anyone help please ?

I've replaced the hydrolic lifters, receed the valves and sceem the head. But when I put it back the noise was still there. I let it idle for about 30 min. but still no joy

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You may have low oil pressure due to a plugged passage, have you tried flushing the engine with any of the commercial engine flushes out there, shops also do this service. It is also poss that the noise is not the valve train but piston skirt slap.

Posted on Feb 11, 2012

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The lifters can be cleaned by getting the engine nice and hot and then adding an engine flush to the oil and leaving the engine running at a high tickover for about 15 to 20 minutes, and then giving the car an oil and filter change.

Are you sure its the tappets and not the timing chain?

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