Engine Assembly (0-02) Section 0 - Engine Disassembly and Assembly - Group 00 M11 Page 0-146 Fuel Filter - Installation Use a clean, towel to clean the filter head gasket surface. Install a new o-ring on the filter head fitting. Use clean 15W-40 oil to lubricate the filter gasket surface. Use clean No. 2 diesel fuel to fill the filter. Install the filter by hand. Tighten the filter until the gasket contacts the filter head surface. Caution: To prevent damage to the filter threads or filter head, do not over-tighten the filter. Tighten the filter an additional one-half to three-fourths (1/2 to 3/4) turn after the gasket contacts the filter head surface.
Lubricating Oil Filter - Installation Use a clean cloth to clean the oil filter head surface. Use clean 15W-40 oil to lubricate the gasket surface of the filter.