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Home >> Ford >> 2003 >> Focus L4-2.3L VIN Z >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> System Specifications
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System Specifications

Cylinder Block
Cylinder bore diameter 87.5 - 87.53 mm (3.444 - 3.445 in.) mm
Cylinder bore maximum out-of-round 0.008 mm (0.0003 in.) mm
Main bearing bore diameter 57.020 - 57.038 mm (2.244 - 2.245 in.) mm
Head gasket surface flatness 0.1 mm/general 0.05 mm/200 x 200 (0.0003 in./general)(0.0019 in./7.87 x 7.87) mm
Piston
Diameter (1) 87.5 - 87.51 mm (3.444 - 3.445 in.) mm
Diameter (2) 87.51 - 87.52 mm (3.4452 - 3.4456 in.) mm
Diameter (3) 87.52 - 87.53 mm (3.444 - 3.446 in.) mm
Piston-to-bore clearance 0.025 - 0.045 mm (0.0009 - 0.0017 in.) mm
Ring groove width
top 1.203 - 1.205 mm (0.0473 - 0.0474 in.) mm
2nd 1.17 - 1.19 mm (0.0.460 - 0.0468 in.) mm
oil 2.501 - 2.503 mm (0.0984 - 0.0985 in.) mm
Piston skirt coating thickness 0.008 - 0.020 mm (0.0003 - 0.0007 in.) mm
Piston Pin
Diameter 20.995 - 21.0 mm (0.8266 - 0.8268 in.) mm
Length 59.6 - 60.4 mm (2.346 - 2.377 in.) mm
Piston-to-pin clearance 0.008 - 0.016 mm (0.0003 - 0.0006 in.) mm
Pin-to-rod clearance Press fit
Crankshaft pulley bolt:
Stage 1 100 Nm (74 ft. lbs.)
Stage 2 90 degrees

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