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Home >> Buick >> 1994 >> Century V6-191 3.1L VIN M SFI >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> Piston Pin, Engine
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Piston Pin, Engine

Engine Liter/VIN 3.1L/M

All Measurements Given In Inches Unless Otherwise Specified

Piston Diameter (Std.) 3.5026-3.5037
Piston Clearance 0.0009-0.0027
Piston Pin Diameter [01] 0.9052-0.9054
Piston Pin To Piston Clearance 0.0004-0.0010
Piston Ring End Gap [02]
Comp. [16]
Oil 0.008
Piston Ring Side Clearance
Comp. 0.0016-0.0035
Oil 0.0020-0.0080

[01] Pistons & pins are matched set & should be replaced as an assembly.
[02] Maximum.
[16] Top ring, 0.010 inch] 2nd ring, 0.028 inch.
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