Crankshaft (84 engine)
Main bearing journal diameter:
• standard • 89.985 - 90.020 mm
• 1st undersize 0.25 mm • 89.735 - 89.770 mm
• 2nd undersize 0.50 mm • 89.485 - 89.520 mm
• 3rd undersize 1.00 mm • 88.985 - 89.020 mm
• 4th undersize 1.50 mm • 88.485 - 88.520 mm
Main bearing housing diameter (in cylinder block) 96.000 - 96.025 mm
Main bearing shell thickness:
• standard • 2.955 - 2.965 mm
• 1st undersize 0.25 mm • 3.080 - 3.090 mm
• 2nd undersize 0.50 mm • 3.205 - 3.215 mm
• 3rd undersize 1.00 mm • 3.455 - 3.465 mm
• 4th undersize 1.50 mm • 3.705 - 3.715 mm
Main bearing clearance 0.050 - 0.130 mm
Length of thrust bearing journal (journal nearest to
flywheel):
• standard (fixed thrust plates) • 45.000 - 45.080 mm
• 1st oversize (one std and one 0.1 mm overthick
separate thrust plate)
• 45.100 - 45.180 mm
• 2nd oversize (one std and one 0.2 mm overthick
separate thrust plate)
• 45.200 - 45.280 mm
• 3rd oversize (one 0.1 mm + one 0.2 mm
overthick separate thrust plate)
• 45.300 - 45.380 mm
• 4th oversize (two 0.2 mm overthick separate
thrust plates)
• 45.400 - 45.480 mm
Other crankshaft journals cannot be ground longer.
Rounded corner of crank pins and journals R4+0.5 mm
Crankshaft end float 0.100 - 0.380 mm
2. Specifications
2-10 4th Generation Engines
8370 79492
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