Section 0 - Engine Disassembly and Assembly - Group 00 Engine Disassembly (0-01) M11 Page 0-13 Coolant Filter - Removal Turn the coolant valve to the position before the filter is removed. Use fuel and water filter wrench, Part No. 3376807, to remove the coolant filter. Lubricating Oil Filters - Removal Use oil filter wrench, Part No. 3375049, to remove the oil filter. Fuel Filter - Removal Use fuel and water filter wrench, Part No. 3376807, to remove the fuel filter. Fan Drive Belt - Removal Loosen the idler pulley shaft locknut. Turn the adjusting screw counterclockwise to release tension, and remove the belt.