Piston with Con-rod, Remove and Install
 Remove, Disconnect Remove oil pan - see operation "Oil Pan, Remove and Install". Remove cylinder head - see operation "Cylinder Head, Remove and Install".
 Important! Mark order of con-rod bearing caps (1) - bead (2) of con-rod bearing cap faces flywheel side. The mating surfaces of the cod-rods and the con-rod bearing caps form an individual fit and as a result must not be interchanged or damaged under any circumstances. To avoid damage, do not lay con-rods or con-rod bearing caps on their mating surfaces.
Remove, Disconnect Remove con-rod bearing cap from con-rod. Remove combustion residue from upper part of cylinder bore. Carefully press piston with con-rod upwards out of cylinder bore with hammer handle. | 
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 Inspect Clean and check all parts, replace if necessary. Replace piston - see operation "Piston, Remove and Install".
Important! Note positions of piston rings - the gap of each piston ring must be offset by 120 ° .
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X 20 DTL |
X 20 DTH |
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I |
First compression ring |
Rectangular compression ring |
Double trapezoidal ring |
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II |
Second compression ring |
Tapered compression ring |
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III |
Oil scraper ring |
Double bevelled ring |
 Install, Connect Lightly coat piston rings with engine oil and compress with piston ring compressor. Note installation position of pistons - arrow on piston head points to engine timing side, and bead (1) on con-rod points to flywheel side. Carefully push piston into cylinder bore with hammer shaft. | 
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Install, Connect Note order of con-rod bearing caps (1) - note marks. Install con-rod bearing caps with new fastening bolts on con-rod - con-rod bearing cap bead (2) faces flywheel side - tightening torque 35 Nm / 26 lbf. ft. + 45 ° + 15 ° . Install cylinder head - see operation "Cylinder Head, Remove and Install". Install oil pan - see operation "Oil Pan, Remove and Install". |
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