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Home >> Nissan-Datsun >> 2011 >> Sentra S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical (Qr25DE)) >> Service Information >> Service Data And Specifications (SDS) >> Standard and Limit >> Piston, Piston Ring, And Piston Pin

Piston, Piston Ring, And Piston Pin

WARNING: This page is about a different variant/trim than selected.

Available Piston

PISTON, PISTON RING, AND PISTON PIN SPECIFICATIONS

Unit: mm (in)
G07137636Courtesy of NISSAN MOTOR CO., U.S.A.
  Grade(1) Dimension
Piston skirt diameter "A" Standard Grade No. 1 88.980 - 88.990 (3.5031 - 3.5035)
Grade No. 2 88.990 - 89.000 (3.5035 - 3.5039)
Grade No. 3 89.000 - 89.010 (3.5039 - 3.5043)
"H" dimension 42 (1.65)
Piston pin bore diameter Grade No. 0 19.993 - 19.999 (0.7871 - 0.7874)
Grade No. 1 19.999 - 20.005 (0.7874 - 0.7876)
Piston clearance to cylinder bore Standard 0.010 - 0.030 (0.0004 - 0.0012)
Limit 0.08 (0.0031)
(1) Always check with the Parts Department for the latest parts information

Piston Ring

PISTON RING SPECIFICATIONS

Unit: mm (in)
  Standard Limit
Side clearance Top 0.040 - 0.080 (0.0018 - 0.0031) 0.11 (0.0043)
2nd 0.030 - 0.070 (0.0012 - 0.0028) 0.10 (0.0039)
Oil ring 0.045 - 0.125 (0.0018 - 0.0049) -
End gap Top 0.21- 0.31 (0.0083 - 0.0122) 0.54 (0.0213)
2nd 0.37 - 0.52 (0.0146 - 0.0205) 0.67 (0.0264)
Oil (rail ring) 0.20 - 0.45 (0.0079 - 0.0177) 0.95 (0.0374)

Piston Pin

PISTON PIN SPECIFICATIONS

Unit: mm (in)
  Grade(1) Dimension
Piston pin outer diameter Grade No. 0 19.989 - 19.995 (0.7870 - 0.7872)
Grade No. 1 19.995 - 20.001 (0.7872 - 0.7874)
Piston to piston pin clearance (Standard) 0.002 - 0.006 (0.0001 - 0.0002)
Piston pin to connecting rod bushing clearance Standard 0.005 - 0.017 (0.0002 - 0.0007)
(1) Always check with the Parts Department for the latest parts information
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