Main Bearing Cap Loosening/Tightening Sequence
Main Bearing Cap Bolts | First Torque | 32 - 38 Newton Meter (Nm) | |
Second Torque | 90 - 95 Degrees | ||
Crankshaft Main Journal Diameter "Dm" | Grade No. A | 59.974 - 59.975 Millimeter (mm) | |
Grade No. B | 59.973 - 59.974 Millimeter (mm) | ||
Grade No. C | 59.972 - 59.973 Millimeter (mm) | ||
Grade No. D | 59.971 - 59.972 Millimeter (mm) | ||
Grade No. E | 59.970 - 59.971 Millimeter (mm) | ||
Grade No. F | 59.969 - 59.970 Millimeter (mm) | ||
Grade No. G | 59.968 - 59.969 Millimeter (mm) | ||
Grade No. H | 59.967 - 59.968 Millimeter (mm) | ||
Grade No. J | 59.966 - 59.967 Millimeter (mm) | ||
Grade No. K | 59.965 - 59.966 Millimeter (mm) | ||
Grade No. L | 59.964 - 59.965 Millimeter (mm) | ||
Grade No. M | 59.963 - 59.964 Millimeter (mm) | ||
Grade No. N | 59.962 - 59.963 Millimeter (mm) | ||
Grade No. P | 59.961 - 59.962 Millimeter (mm) | ||
Grade No. R | 59.960 - 59.961 Millimeter (mm) | ||
Grade No. S | 59.959 - 59.960 Millimeter (mm) | ||
Grade No. T | 59.958 - 59.959 Millimeter (mm) | ||
Grade No. U | 59.957 - 59.958 Millimeter (mm) | ||
Grade No. V | 59.956 - 59.957 Millimeter (mm) | ||
Grade No. W | 59.955 - 59.956 Millimeter (mm) | ||
Grade No. X | 59.954 - 59.955 Millimeter (mm) | ||
Grade No. Y | 59.953 - 59.954 Millimeter (mm) | ||
Grade No. 4 | 59.952 - 59.953 Millimeter (mm) | ||
Grade No. 7 | 59.951 - 59.952 Millimeter (mm) | ||
Center Distance "r" | 36.61 - 36.69 Millimeter (mm) | ||
Out-Of-Round (X - Y) | Standard | Less Than 0.002 Millimeter (mm) | |
Taper (A - B) | Standard | Less Than 0.002 Millimeter (mm) | |
Runout [TIR] Total indicator reading | Limit | Less Than 0.10 Millimeter (mm) | |
Free End Play | Standard | 0.10 - 0.25 Millimeter (mm) | |
Limit | 0.30 Millimeter (mm) | ||
Available Main Bearing | Grade Number /Identification Color | 0 /Black | 2.000 - 2.003 Millimeter (mm) |
1 /Brown | 2.003 - 2.006 Millimeter (mm) | ||
2 /Green | 2.006 - 2.009 Millimeter (mm) | ||
3 /Yellow | 2.009 - 2.012 Millimeter (mm) | ||
4 /Blue | 2.012 - 2.015 Millimeter (mm) | ||
5 /Pink | 2.015 - 2.018 Millimeter (mm) | ||
6 /Purple | 2.018 - 2.021 Millimeter (mm) | ||
Width "W" | 19.9 - 20.1 Millimeter (mm) | ||
Available Main Bearing Undersize | 0.25 | Main Journal Diameter "Dm" Grind so that bearing clearance is the specified value. | 2.132 - 2.140 Millimeter (mm) |
Main Bearing Clearance | Standard | 0.012 - 0.030 Millimeter (mm) | |
Limit | 0.065 Millimeter (mm) |