2. Loss of power, engine "dips", detonation or metallic knocks, increased noise from the valve timing mechanism, increased fuel consumption indicate the need for a major overhaul, especially if all these signs of abnormal operation appear simultaneously.
Attention! You should contact the auto service workshops only after the engine has been completely disassembled and the condition of all parts has been checked, especially the cylinder block, in order to decide what maintenance and repair operations will be performed in the workshops.
3. The condition of the cylinder block is a determining factor in deciding whether to repair it further or to buy a new one (or repair) cylinder block. Therefore, spare parts should be purchased or machining operations performed on related parts should only be performed after a thorough inspection of the cylinder block condition.