Piston: Specifications

2007 Chevrolet Impala V6-3.5LSECTION Specifications
Piston Diameter - production 98.970-99.008 mm 3.896-3.897 in
Piston Diameter - service limit 98.950 mm 3.895 in
Piston Pin Bore Diameter 24.008-24.013 mm 0.9452-0.9454 in
Piston Ring Groove Width 1.23-1.255 mm 0.048-0.049 in
Piston to Bore Clearance - production -0.029 to 0.029 mm -0.0011 to 0.011 in
Piston to Bore Clearance - service limit - Maximum 0.080 mm 0.003 in
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.