Section 8 - Cooling System - Group 08 Water Filter Head Assembly - Rebuild (8-13) M11 Page 8-47 Visually inspect the water passages in the shutoff valve shaft (1). Visually inspect the shaft for corrosion or pitting. Use 240 grit aluminum oxide paper to remove the corrosion. If the parts are cracked or damaged, the filter head as- sembly must be replaced. Assembly Install the spring washer (1) on the shutoff valve shaft. Install a new o-ring (2) in the groove of the shaft. Use anti-seize to lubricate the shaft and o-ring. Install the shutoff valve shaft (4) in the filter head. NOTE: Make sure the flat washer (3) is a hardened steel washer.
Install the hardened flat washer (3), lockwasher (2) and clamping capscrew (1) in the filter head. Torque Value: 10 [60 in-lb]