Piston, Engine

2006 Chevrolet Monte Carlo V6-3.9L VIN 1SECTION Piston, Engine
Piston Diameter - production 98.970 - 99.008 mm (3.896 - 3.897 inch)
Piston Diameter - service limit 98.950 mm (3.895 inch)
Piston Pin Bore Diameter 23.957 - 23.962 mm (0.943 inch)
Piston Ring Groove Width 1.22 - 1.24 mm (0.048 - 0.049 inch)
Piston to Bore Clearance - production - 0.008 - 0.048 mm (- 0.0003 - 0.0018 inch)
Piston to Bore Clearance - service limit - Maximum 0.080 mm (0.003 inch)
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.