FIELD: internal combustion engines. SUBSTANCE: cylinder block 1 of liquid-cooled internal combustion engine with inserted wet liners is aluminium alloy pressure die casting. Cylinder block has box-shaped cooling jacket 2. Upper plate 3 is made in form of separate part integral with cylinder head attachment bosses 7 arranged inside cylinder cooling jacket 2. Outline of plate 3 follows outline 5 of cooling jacket 2. Plate 3 rests on lugs 6 made equidistantly on perimeter of inner walls of cylinder block 1. Lugs 6 are arranged below cylinder block surface by value of height of plate 3. Plate 3 is connected to cylinder block by electric arc spot-welding method, welding spots being uniformly spaced on line of outer outline 4 of upper plate 3. EFFECT: enhanced quality. 2 cl, 4 dwg
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