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Troubleshooting the lash, their causes and remedies
* The reasons for the increased noise at idle, increasing with increasing engine speed to 1500 min-1 and not connected with the operation of hydraulic, can be: increased wear of the guide arm of the valve actuator or lever; increased gaps between the rods of valves and guide bushings; increased permissible misalignment against the valve seat; misalignment of the ends of the valve springs; more than the permissible runout chamfer the valve head; contacting a damper mechanism with the valve spring of the valve rotation.
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