Piston Pin, Engine

2002 Chevrolet Express 1/2 Ton Van V6-4.3L VIN WSECTION Piston Pin, Engine
Piston Pin Clearance Piston - Production 0.013-0.023 mm (0.0005-0.0009 inch)
Clearance inch Piston - Service 0.025 mm - Maximum (0.0010 inch - Maximum)
Diameter 23.545-23.548 mm (0.9270-0.9271 inch)
Fit in Connecting Rod 0.012-0.048 mm-interference (0.0005-0.0019 in-interference)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.