Lexus Workshop Service and Repair Manuals

Crankshaft Main Bearing: Specifications

Crankshaft

Main Journal

Diameter 
Maximum Taper & Out-of-Round

Crankshaft

Main Journal

Diameter ..............................................................................................................................................  60.988 to 61.000 mm (2.4011 to 2.4016 inch)
Maximum Taper & Out-of-Round ...........................................................................................................................................  0.02 mm (0.0008 inch)
Maximum Circle Runout .........................................................................................................................................................  0.06 mm (0.0024 inch)

Crank Pin

Diameter ..............................................................................................................................................  52.992 to 53.000 mm (2.0863 to 2.0866 inch)
Maximum Taper & Out-of-Round ...........................................................................................................................................  0.02 mm (0.0008 inch)

Thrust Clearance

Standard .......................................................................................................................................................  0.04 to 0.24 mm (0.0016 to 0.0094 inch)
Maximum .................................................................................................................................................................................  0.30 mm (0.0118 inch)

Main Bearing Oil Clearance

Standard

No. 1 & No. 4 Journals ...............................................................................................................................  0.026 to 0.047 mm (0.0010 to 0.0019

inch)

No. 2 & No. 3 Journals ...............................................................................................................................  0.032 to 0.053 mm (0.0013 to 0.0021

inch)

Maximum

No. 1 & No. 4 Journals ....................................................................................................................................................  0.050 mm (0.0020 inch)
No. 2 & No. 3 Journals ....................................................................................................................................................  0.060 mm (0.0024 inch)

Main Bearing Cap Lower Bolts

First Pass ..........................................................................................................................................................................  61 Nm (622 kgf-cm, 45 ft. lbs.)
Final Pass ......................................................................................................................................................................................................................  90°