lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Connecting Rod Bearing|Specifications|Page 943 > < Lifter / Lash Adjuster, Valve|Testing and Inspection
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Connecting Rod Bearing: Specifications

Connecting Rod Bearing Oil Clearance

Standard oil clearance:

STD: 0.032 - 0.050 mm (0.0013 - 0.0020 inch)
U/S 0.25: 0.033 - 0.073 mm (0.0013 - 0.0029 inch)

Maximum oil clearance: 0.10 mm (0.0039 inch)

If the oil clearance is greater than maximum, replace the bearings. If necessary, grind or replace the crankshaft.

NOTE:  If using a standard bearing, replace with one having the same number.If the number of the bearing cannot be determined, select the correct
bearing by adding together the numbers imprinted on the connecting rod and crankshaft, then selecting the bearing with the same number as the
total.There are 5 sizes of standard bearings, marked "2","3", "4", "5" and "6" accordingly.

Connecting Rod Big End Inside Diameter

Mark "1": 60.526 - 60.532 mm (2.3829 - 2.3831 inch)
Mark "2": 60.532 - 60.538 mm (2.3851 - 2.3834 inch)
Mark "3": 60.538 - 60.544 mm (2.3834 - 2.3836 inch)

Crankshaft Crank Pin Diameter

Mark "1": 56.994 - 57.000 mm (2.2439 - 2.2441 inch)
Mark "2": 56.988 - 56.994 mm (2.2436 - 2.2439 inch)

Connecting Rod Bearing|Specifications|Page 943 > < Lifter / Lash Adjuster, Valve|Testing and Inspection