There are several common causes of the engine knock. First, it is possible to knock on the valves of the Hyundai Sonata NF engines.The second possible reason is that the wornout circuit of the third variant is heard from the phasorator of the right distribution shaft.
- First, it is possible to knock on the valves of the Hyundai Sonata NF engines.
- The second possible reason is the worn out line of the GRM.
- The third option is to be heard from the phasoregulator of the right distribution shaft.
- The Sonata with a 2.4-litre engine causes a block of balancing gross.
