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HOMESERVICE MANUALSCHEVROLET2007IMPALA V8-5.3LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINECYLINDER BLOCK ASSEMBLYPISTONSPECIFICATIONS
2007 Chevrolet Impala V8-5.3L

Piston: Specifications

2007 Chevrolet Impala V8-5.3LSECTION Specifications
Piston - Piston Diameter - Measured Over Skirt Coating 96.002-96.036 mm 3.779-3.78 in
Piston - Piston to Bore Clearance - Production -0.036 to +0.016 mm -0.0014 to +0.0006 in
Piston - Piston to Bore Clearance - Service Limit with Skirt Coating Worn Off 0.071 mm 0.0028 in
RENDER: 1.0x

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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.