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 MANUALSNISSAN-DATSUN2004SENTRA L4-2.5L (QR25DE)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYPISTON PIN, ENGINE
2004 Nissan-Datsun Sentra L4-2.5L (QR25DE)
Piston Pin, Engine
2004 Nissan-Datsun Sentra L4-2.5L (QR25DE)SECTION Piston Pin, Engine
Piston Pin
Piston pin outer diameter
Grade No.O 19.989 - 19.995 (0.7870- 0.7872 in.)
Grade No.1 19.995 - 20.001 (0.7872 - 0.7874 in.)
Piston pin to piston clearance 0.002 - 0.006 (0.0001 - 0.0002 in.)
Piston pin to connecting rod oil clearance Standard 0.005 - 0.017 mm (0.0002 - 0.0007 in.)
Piston pin outer diameter
Grade No.O 19.989 - 19.995 (0.7870- 0.7872 in.)
Grade No.1 19.995 - 20.001 (0.7872 - 0.7874 in.)
Piston pin to piston clearance 0.002 - 0.006 (0.0001 - 0.0002 in.)
Piston pin to connecting rod oil clearance Standard 0.005 - 0.017 mm (0.0002 - 0.0007 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.