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 MANUALSCHEVROLET2006TRAILBLAZER 2WD V8-6.0L VIN HREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYPISTON RING, ENGINE
2006 Chevrolet TrailBlazer 2WD V8-6.0L VIN H
Piston Ring, Engine
2006 Chevrolet TrailBlazer 2WD V8-6.0L VIN HSECTION Piston Ring, Engine
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production 0.20-0.41 mm (0.008-0.016 inch)
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service 0.20-0.41 mm (0.008-0.016 inch)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production 0.37-0.69 mm (0.015-0.027 inch)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service 0.37-0.69 mm (0.015-0.027 inch)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production 0.22-0.79 mm (0.009-0.031 inch)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service 0.22-0.79 mm (0.009-0.031 inch)
Piston Ring to Groove Clearance - First Compression Ring - Production 0.030-0.10 mm (0.0012-0.0040 inch)
Piston Ring to Groove Clearance - First Compression Ring - Service 0.030-0.10 mm (0.0012-0.0040 inch)
Piston Ring to Groove Clearance - Second Compression Ring - Production 0.035-0.078 mm (0.0014-0.0031 inch)
Piston Ring to Groove Clearance - Second Compression Ring - Service 0.035-0.078 mm (0.0014-0.0031 inch)
Piston Ring to Groove Clearance - Oil Control Ring - Production 0.013-0.201 mm (0.0005-0.0079 inch)
Piston Ring to Groove Clearance - Oil Control Ring - Service 0.013-0.201 mm (0.0005-0.0079 inch)
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service 0.20-0.41 mm (0.008-0.016 inch)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production 0.37-0.69 mm (0.015-0.027 inch)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service 0.37-0.69 mm (0.015-0.027 inch)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production 0.22-0.79 mm (0.009-0.031 inch)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service 0.22-0.79 mm (0.009-0.031 inch)
Piston Ring to Groove Clearance - First Compression Ring - Production 0.030-0.10 mm (0.0012-0.0040 inch)
Piston Ring to Groove Clearance - First Compression Ring - Service 0.030-0.10 mm (0.0012-0.0040 inch)
Piston Ring to Groove Clearance - Second Compression Ring - Production 0.035-0.078 mm (0.0014-0.0031 inch)
Piston Ring to Groove Clearance - Second Compression Ring - Service 0.035-0.078 mm (0.0014-0.0031 inch)
Piston Ring to Groove Clearance - Oil Control Ring - Production 0.013-0.201 mm (0.0005-0.0079 inch)
Piston Ring to Groove Clearance - Oil Control Ring - Service 0.013-0.201 mm (0.0005-0.0079 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.