Water Pump - Rebuild (8-02) Section 8 - Cooling System - Group 08 M11 Page 8-16 Measure the water pump shaft journal outside diameters. Shaft Journals O.D. Point mm in 1 15.389 MIN 0.6059 15.402 MAX 0.6064 2 15.897 MIN 0.6259 15.910 MAX 0.6264 3 24.999 MIN 0.9842 25.009 MAX 0.9846 4 24.999 MIN 0.9842 25.009 MAX 0.9846 Shaft Journals O.D. (Cont’d.) Point mm in. 5 33.951 MIN 1.3366 33.976 MAX 1.3376 6 29.987 MIN 1.1806 30.000 MAX 1.1811 7 27.975 MIN 1.1014 28.025 MAX 1.1033 8 27.887 MIN 1.0979 27.900 MAX 1.0984 Turn the water pump bearing by hand to inspect for free- dom of rotation. Visually inspect the water inlet cover for cracks or exces- sive corrosion.