Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2007IMPALA V6-3.5LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINECYLINDER BLOCK ASSEMBLYPISTON RINGSPECIFICATIONS
2007 Chevrolet Impala V6-3.5L
Piston Ring: Specifications
2007 Chevrolet Impala V6-3.5LSECTION Specifications
Piston Ring to Groove Clearance
First Compression Ring 0.03-0.076 mm 0.001-0.003 in
Second Compression Ring 0.04-0.078 mm 0.002-0.003 in
Oil Control Ring 0.09 mm 0.004 in
Piston Ring Thickness
First Compression Ring 1.164-1.190 mm 0.046-0.047 in
Second Compression Ring 1.472-1.490 mm 0.058 in
Oil Control Ring - Maximum 2.440 mm 0.096 in
First Compression Ring 0.03-0.076 mm 0.001-0.003 in
Second Compression Ring 0.04-0.078 mm 0.002-0.003 in
Oil Control Ring 0.09 mm 0.004 in
Piston Ring Thickness
First Compression Ring 1.164-1.190 mm 0.046-0.047 in
Second Compression Ring 1.472-1.490 mm 0.058 in
Oil Control Ring - Maximum 2.440 mm 0.096 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.