Corrosion at the combustion surface of the cylinder head.
Fluctuating cooling water temperature (excessive temperature gradient)
Overloading of engine
Faulty relief valve
Mechanical failure due to gas corrosion, acidic corrosion due to leaky exhaust valves
Water side corrosion
Defect in cylinder head casting
Inflexible structure under firing
Indications of cracked cylinder head
Knocking in the cylinder
Jacket cooling water pressure fluctuates
Jacket cooling water temperature fluctuates
Expansion tank level may drop
Sparks from funnel
About the author
Anand Gautam is a marine engineer, Graduated from M.E.R.I. Mumbai. He likes to sail onboard ship and is one who is passionate about his job. He loves to share his knowledge, information, and ideas to everyone in a simplified way just for his satisfaction.