4D68 ENGINE (E-W) -
Specifications
11A-1-2
Item LimitStandard value
Oil cooler by-pass valve dimension (L) [by-pass hole closing temperature
(97 - 103°C or more)] mm
40.0 -
Oil pump side clearance Drive gear 0.08 - 0.14 -
Driven gear 0.06- 0.12 -
Pistons and connecting rods
Piston O.D. mm 82.7 -
Piston ring to piston ring groove clearance mm No. 1 0.05- 0.07 0.15
No. 2 0.05- 0.07 0.15
Piston ring end gap mm No. 1 0.20 - 0.32 0.8
No. 2 0.35- 0.50 0.8
Oil ring 0.10- 0.30 0.8
Piston pin O.D. mm 25.0 -
Crankshaft pin oil clearance mm 0.02- 0.05 0.1
Connecting rod big end side clearance mm 0.10- 0.25 0.4
Connecting rod bushing I.D. mm 25.015- 25.025 -
Connecting rod bushing bend (Parallelism between big end center line and small
end center line) mm
0.05 -
Connecting rod bushing twist (Deflection between big end center line and small
end center line) mm
0.1 -
Crankshaft, cylinder block and flywheel
Crankshaft end play mm 0.05- 0.18 0.25
Crankshaft journal O.D. mm 57.0 -
Crankshaft pin O.D. mm 45.0 -
Crankshaft journal oil clearance mm 0.02- 0.04 0.1
Cylinder block gasket surface flatness mm 0.05 0.1
Cylinder block overall height mm 235 -
Cylinder bore I.D. mm 82.70- 82.73 -
Cylinder conicity mm 0.01 -
Piston to cylinder clearance mm 0.03- 0.05 -
Cylinder sleeve press-fitting force N 2,200 or more -
Piston projection mm 0.823 -
PWEE9609
E
Dec. 1996Mitsubishi Motors Corporation
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