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.
2005 Chevrolet Tahoe 2WD V8-4.8L VIN VFACTORY OEM SERVICE PROCEDURE
Piston Pin: Specifications
Pistons and Pins
Pin - Piston Pin Clearance to Piston Pin Bore
Production 0.002-0.01 mm (0.00008-0.0004 inch)
Service 0.002-0.015 mm (0.00008-0.0006 inch)
Pin - Piston Pin Diameter 23.952-23.955 mm (0.943-0.943 inch)
Pin - Piston Pin Fit in Connecting Rod Bore
Production 0.007-0.02 mm (0.00027-0.00078 inch)
Service 0.007-0.022 mm (0.00027-0.00086 inch)
Piston - Piston Diameter - Measured Over Skirt Coating 96.002-96.036 mm (3.779-3.78 inch)
Piston - Piston to Bore Clearance
Production 0.036 to 0.016 mm (0.0014 to 0.0006 inch)
Service Limit with Skirt Coating Worn Off 0.071 mm (0.0028 inch)
Pin - Piston Pin Clearance to Piston Pin Bore
Production 0.002-0.01 mm (0.00008-0.0004 inch)
Service 0.002-0.015 mm (0.00008-0.0006 inch)
Pin - Piston Pin Diameter 23.952-23.955 mm (0.943-0.943 inch)
Pin - Piston Pin Fit in Connecting Rod Bore
Production 0.007-0.02 mm (0.00027-0.00078 inch)
Service 0.007-0.022 mm (0.00027-0.00086 inch)
Piston - Piston Diameter - Measured Over Skirt Coating 96.002-96.036 mm (3.779-3.78 inch)
Piston - Piston to Bore Clearance
Production 0.036 to 0.016 mm (0.0014 to 0.0006 inch)
Service Limit with Skirt Coating Worn Off 0.071 mm (0.0028 inch)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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