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 MANUALSCHEVROLET1998EXPRESS 1 TON VAN V8-5.7L VIN RREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYPISTON PIN, ENGINE
1998 Chevrolet Express 1 Ton Van V8-5.7L VIN R
Piston Pin, Engine
1998 Chevrolet Express 1 Ton Van V8-5.7L VIN RSECTION Piston Pin, Engine
Piston Pin
Clearance in Piston (Production) 0.013 - 0.023 mm (0.0005 - 0.0009 inch)
Clearance in Piston (Service) 0.013 - 0.025 mm (0.0005 - 0.0010 inch)
Diameter 23.545 - 23.548 mm (0.9270 - 0.9271 inch)
Interference Fit in Connecting Rod 0.021 - 0.040 mm (0.0008 - 0.0016 inch)
Clearance in Piston (Production) 0.013 - 0.023 mm (0.0005 - 0.0009 inch)
Clearance in Piston (Service) 0.013 - 0.025 mm (0.0005 - 0.0010 inch)
Diameter 23.545 - 23.548 mm (0.9270 - 0.9271 inch)
Interference Fit in Connecting Rod 0.021 - 0.040 mm (0.0008 - 0.0016 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.