Cylinder Block Assembly: Testing and Inspection

Measure Taper And Wear:

1. Measure wear and taper in direction X and Y at three levels in each cylinder as shown.

Cylinder Bore Size:
Standard (New):
A or I: 85.010 - 85.020 mm (3.3468 - 3.3472 in)
B or II: 85.000 - 85.010 mm (3.3465 - 3.3468 in)
Service Limit: 85.07 mm (3.349 in)
Oversize:
0.25: 85.26 - 85.27 mm (3.357 - 3.357 in)
0.50: 85.51 - 85.52 mm (3.367 - 3.367 in)

Use Cylinder Bore Gauge:

Bore Taper:
- Limit: (Difference between first and third measurement) 0.05 mm (0.002 in).
- If measurements in any cylinder are beyond oversize bore service limit, replace the block.
- If the block is to be rebored, inspect piston clearance after reboring.

NOTE: Scored or scratched cylinder bores must be honed.

Reboring Limit: 0.5 mm (0.02 in)

Check For Block Warpage:

2. Check the top of the block for warpage. Measure along the edges and across the center as shown.

Check For Block Warpage:

Engine Block Warpage:
Standard (New): 0.07 mm (0.003 in) max.
Service Limit: 0.10 mm (0.004 in)