Engine overhaul — general notes

1. To determine the amount of work to be done, check the compression in the engine cylinders. Also check the tests with a vacuum gauge and determine the nature of the readings of this device. Check the oil pressure and compare the test result with the standard value.

2. Loss of power, «failures» in engine operation, detonation or metallic knocks, increased noise from the gas distribution mechanism, increased fuel consumption indicate the need for a major overhaul, especially if all these signs of abnormal operation appear at the same time.

Attention! You should contact the car service workshops only after completely disassembling the engine and checking the condition of all parts, especially the cylinder block, in order to decide which maintenance and repair operations will be performed in the workshops.

3. The condition of the cylinder block is the determining factor in making a decision on its further repair or on the purchase of a new one (or repair) cylinder block. Therefore, buying spare parts or performing machining operations on related parts should only be done after a thorough check of the condition of the cylinder block.