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BORE SPECIFICATIONS BORE DIAMETER Min. 102.000 mm (4.0157 in.) Max. 102.116 mm (4.0203 in.) OUT OF ROUNDNESS Max. 0.038 mm (0.0015 in.) TAPER Max. 0.076 mm (.003 in.) Inspect the cylinder bores for damage or excessive wear. Measure the cylinder bores. If the cylinder bores exceed the limit, (Refer to 9 - ENGINE/ENGINE BLOCK - STAN- Inspect the camshaft bores for scoring or excessive wear. Measure the camshaft bores (Refer to 9 - ENGINE - SPECIFICATIONS). If a bore exceeds the limit, (Refer to 9 - ENGINE/ENGINE BLOCK/CAMSHAFT & BEARINGS (IN BLOCK) - STAN- Inspect the tappet bores for scoring or excessive wear. Measure tappet bore from bottom of block. Minimum tappet bore diameter 16.000 mm (0.0630 in.). Maximum tappet If out of limits, replace the cylinder block. CAMSHAFT & BEARINGS (IN BLOCK) REMOVAL CAMSHAFT BEARINGS NOTE: Measure the diameter of each bore. If the camshaft bore for the first or rear cam bushing is worn 1. Remove the camshaft (Refer to 9 - ENGINE/ENGINE BLOCK/CAMSHAFT & BEARINGS (IN BLOCK) - REMOVAL). 2. Remove the bushing from the No.1 bore. 9 - 2590 ENGINE - 5.9L DIESEL - SERVICE INFORMATION DR/DH |