K 1500 Suburban 4WD V8-6.5L DSL Turbo VIN F (1999)
4. Remove the wiring harnesses and fuel hoses.
5. Remove the fuel manager/filter by lifting straight up.
6. Remove the fuel heater threaded cap nut by using hand pressure or a strap wrench.
7. Remove the fuel heater from the filter housing.
8. Clean the fuel heater to housing sealing surfaces.
INSTALLATION PROCEDURE
1. Install the cap seal into filter housing.