Engine Block
ENGINE BLOCK STANDARDS AND SERVICE LIMITS SPECIFICATIONS TABLE
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| Block | Warpage of deck | - | 0.07 mm (0.003 in.) max. | 0.10 mm (0.004 in.) |
| Bore diameter | A or I | 87.010-87.020 mm (3.4256-3.4260 in.) | 87.070 mm (3.4279 in.) | |
| B or II | 87.000-87.010 mm (3.4252-3.4256 in.) | 87.070 mm (3.4279 in.) | ||
| Bore taper | - | - | 0.05 mm (0.002 in.) | |
| Reboring limit | - | - | 0.25 mm (0.01 in.) | |
| Piston | Skirt | No letter | 86.993-87.006 mm (3.4249-3.4254 in.) | 86.980 mm (3.4244 in.) |
| Letter B | 86.983-86.996 mm (3.4245-3.4250 in.) | 86.970 mm (3.4240 in.) | ||
| Clearance in cylinder | - | 0.004-0.027 mm (0.0002-0.0011 in.) | 0.04 mm (0.002 in.) | |
| Ring groove width | Top | 1.235-1.265 mm (0.0486-0.0498 in.) | 1.285 mm (0.0506 in.) | |
| Second | 1.230-1.245 mm (0.0484-0.0490 in.) | 1.265 mm (0.0498 in.) | ||
| Oil | 2.005-2.025 mm (0.0789-0.0797 in.) | 2.05 mm (0.081 in.) | ||
| Piston ring | Ring-to-groove clearance | Top | 0.045-0.090 mm (0.0018-0.0035 in.) | 0.135 mm (0.005 in.) |
| Second | 0.040-0.070 mm (0.0016-0.0028 in.) | 0.13 mm (0.005 in.) | ||
| Ring end gap | Top | 0.25-0.35 mm (0.010-0.014 in.) | 0.60 mm (0.024 in.) | |
| Second | 0.60-0.75 mm (0.024-0.030 in.) | 0.90 mm (0.035 in.) | ||
| Oil | 0.20-0.70 mm (0.008-0.028 in.) | 0.80 mm (0.031 in.) | ||
| Piston pin | O.D. | - | 22.961-22.965 mm (0.9040-0.9041 in.) | 22.953 mm (0.9037 in.) |
| Pin-to-piston clearance | - | -0.0020 to +0.0050 mm (-0.00008 to +0.00020 in.) | 0.010 mm (0.0004 in.) | |
| Connecting rod | Pin-to-rod clearance | - | 0.018-0.035 mm (0.0007-0.0014 in.) | 0.04 mm (0.0016 in.) |
| Small-end bore diameter | - | 22.983-22.996 mm (0.9048-0.9053 in.) | - | |
| Large-end bore diameter (Normal) | - | 51.0 mm (2.01 in.) | - | |
| End play installed on crankshaft | - | 0.15-0.30 mm (0.006-0.012 in.) | 0.40 mm (0.016 in.) | |
| Crankshaft | Main journal diameter | - | 54.976-55.000 mm (2.1644-2.1654 in.) | - |
| Rod journal diameter | - | 47.976-48.000 mm (1.8888-1.8898 in.) | - | |
| Rod/main journal taper | - | 0.005 mm (0.0002 in.) max. | 0.006 mm (0.0002 in.) | |
| Rod/main journal out-of-round | - | 0.004 mm (0.0002 in.) max. | 0.006 mm (0.0002 in.) | |
| End play | - | 0.10-0.35 mm (0.004-0.014 in.) | 0.45 mm (0.018 in.) | |
| Runout | - | 0.02 mm (0.0008 in.) max. | 0.04 mm (0.0016 in.) | |
| Crankshaft bearing | Main bearing-to-journal oil clearance | - | 0.017-0.041 mm (0.0007-0.0016 in.) | 0.050 mm (0.0020 in.) |
| Rod bearing clearance | - | 0.030-0.054 mm (0.0012-0.0021 in.) | 0.060 mm (0.0024 in.) |