Common Causes of Crankshaft Knocks Noises

Common Causes of Crankshaft Knocks Noises Points : common causes of crankshaft knocks noises, engine noise analysis, problems in internal combustion engines, ic, engine, auto diesel 1. Excessive bearing clearance
2. Excessive end-play
3. Eccentric or out-of-round journals
4. Sprung crankshaft
5. Bearing misalignment
6. Insufficient oil supply
7. Oil pressure to main bearing restricted
8. Low oil pressure
9. Badly diluted oil
10. Loose flywheel
11. Loose timing gear Unusual Causes of Crankshaft Knocks 1. Broken crankshaft web
2. Distorted crankcase