Acura (Honda) Workshop Service and Repair Manuals

Crankshaft: Specifications

Crankshaft 

Main Journal diameter

K20A3

No.1, 2, 4 and 5 journals ...................................................................................................................  54.984 - 55.008 mm (2.1648 - 2.1657 inch)
No. 3 journal .....................................................................................................................................  54.976 - 55.000 mm (2.1644 - 2.1654 inch)

K20Z1 engine

No.1, 2, 4 and 5 journals ...................................................................................................................  54.980 - 55.004 mm (2.1646 - 2.1655 inch)
No.3 journal ......................................................................................................................................  54.974 - 54.996 mm (2.1644 - 2.1652 inch)

Rod journal diameter

K20A3 engine .........................................................................................................................................  44.976 - 45.000 mm (1.7707 - 1.7717 inch)
K20Z1 engine ..........................................................................................................................................  44.976 - 48.000 mm (1.8888 - 1.8898 inch)

Rod/main journal taper

Standard or New ....................................................................................................................................................................  0.005 mm (0.0002 inch)
Service Limit .........................................................................................................................................................................  0.010 mm (0.0004 inch)

Rod/main journal out-of-round

Standard or New ....................................................................................................................................................................  0.005 mm (0.0002 inch)
Service Limit .........................................................................................................................................................................  0.010 mm (0.0004 inch)

End play

Standard or New ..................................................................................................................................................  0.10 - 0.35 mm (0.004 - 0.014 inch)
Service Limit .............................................................................................................................................................................  0.45 mm (0.018 inch)

Runout

K20A3 engine

Standard or New ...............................................................................................................................................  0.03 mm (0.0012 inch) maximum
Service Limit .....................................................................................................................................................................  0.04 mm (0.0016 inch)

K20Z1 engine

Standard or New ...............................................................................................................................................  0.02 mm (0.0008 inch) maximum
Service Limit .....................................................................................................................................................................  0.03 mm (0.0012 inch)