Contents Wiring diagrams Section: Engine Mechanical All sections

Piston Selection Table Infiniti QX56 I

Engine Mechanical 2 illustrations ~158 words

Piston Selection Table

Grade number (Mark)123
Cylinder bore diameter98.000-98.010 (3.8583-3.8587)98.010-98.020 (3.8587-3.8590)93.020-98.030 (3.8590-3.8594)
Piston diameter97.980-97.990 (3.8575-3.8579)97.990-98.000 (3.8579-3.8583)98.000-98.010 (3.8583-3.8587)

PISTON SELECTION TABLE

CAUTIONOversize must be used in all cylinders when using oversized parts. Piston oversize (Service): 0.20 mm (0.0079 in)

Note. The piston is available together with piston pin as an assembly. The piston pin (piston pin bore) grade is provided only for the parts installed at the plant. For service parts, no grades can be selected (only 0 grade is available). Hone cylinder to obtain specified clearance between the piston and cylinder bore when using an oversized piston. Be sure to use the same oversized piston rings.

Scheme 203

Scheme 203: When New Connecting Rod and Crankshaft are Used

Scheme 204

Scheme 204
  1. Apply the big end inside diameter grade stamped on the connecting rod side face to the row in the "Connecting Rod Bearing Selection Table".
  2. Apply the pin diameter grade stamped on the crankshaft front side to the column in the "Connecting Rod Bearing Selection Table".
  3. Read the symbol at the cross point of selected row and column in the "Connecting Rod Bearing Selection Table".
  4. Apply the symbol obtained to the "Connecting Rod Bearing Grade Table" to select.