Piston, Engine

2003 Chevrolet Monte Carlo V6-3.8L VIN KSECTION Piston, Engine
Piston Diameter - Production 96.482-96.497 mm (3.7985-3.7991 inch)
Piston Diameter - Service Limit - Minimum 96.442 mm (3.7969 inch)
Piston Pin Bore Diameter 22.0060-22.0110 mm (0.8664-0.8666 inch)
Piston to Bone Clearance - New 0.010-0.051 mm (0.0004-0 0020 inch)
Piston to Bore Clearance - Used 0.050-0.091 mm (0.0020 0.0036 inch)
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.