Section V - Specifications - Group 18 Cylinder Block - Rebuild M11 Page V-35 Component or Assembly (Procedure) Ref.No./Steps Metric U.S. Water Pump Shaft Journals O.D. 1 15.389 mm MIN 0.6059 in 15.402 mm MAX 0.6064 in 2 15.897 mm MIN 0.6259 in 15.910 mm MAX 0.6264 in 3 24.999 mm MIN 0.9842 in 25.009 mm MAX 0.9846 in 4 24.999 mm MIN 0.9842 in 25.009 mm MAX 0.9846 in Water Pump Shaft Journals O.D.
(Cont’d.) 5 33.951 mm MIN 1.3366 in 33.976 mm MAX 1.3376 in 6 29.987 mm MIN 1.1806 in 30.000 mm MAX 1.1811 in 7 27.975 mm MIN 1.1014 in 28.025 mm MAX 1.1033 in 8 27.887 mm MIN 1.0979 in 27.900 mm MAX 1.0984 in Water Pump Impeller Hub To Body 13.52 mm MIN 0.532 in Surface Distance 13.72 mm MAX 0.540 in Fan Hub Shaft End Clearance 0.076 mm MIN 0.0030 in 0.406 mm MAX 0.0160 in Fan Hub Shaft O.D. 1 34.590 mm MIN 1.3760 in 34.963 mm MAX 1.3765 in 2 34.912 mm MIN 1.3745 in 34.925 mm MAX 1.3750 in Fan Hub Bearing Bore I.D. 65.038 mm MIN 2.5605 in 65.076 mm MAX 2.5620 in Fan Hub Flange O.D. and I.D. 1 48.975 mm MIN 1.9281 in 49.000 mm MAX 1.9291 in 2 34.849 mm MIN 1.3720 in 34.875 mm MAX 1.3730 in