1994 GMC Suburban Owner's Manual - Page 257

4. Unscrew and remove the ring nut from the top of the filter head. ... . ... 5. Lift the element out of the filter head. 6. If there is any dirt on the element sealing surfaceof the filter head, clean it off. 7. Line up the writing on the top of the filterso it faces (is readable from) the front of the vehicle. Push the element in until the mating surfaces touch. 8. With the air bleed valve open, turn your ignition key to START for 10 to 15 seconds. Wait one minute for your starter to cool. Do this until you can see clearfuel coming from the air bleed valve. 6-11