A SERVICE OF

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13
Installation Manual
FASS FUEL SYSTEM
STEP 1: Removing & Preparing Fuel Tank: Continued
15. Cap factory suction line.
16. Reinstall fuel tank. Remember to connect both factory fuel lines, wire harness
and torque tank hanger bolts to proper specifications.
17. Review photo 1F and the location of the return manifold before completing this
step. Cut the rubber tube to allow the return manifold to junction with the filler
tube. When assembling the return manifold into the filler tube position it to
where the 3/8” junction pipe aims to the outside of the bed. It may be necessary
to remove approximately ½” – ¾” of the rubber where the 3/8” junction tube
exits the manifold.
18. Assemble the return manifold using the 2 – 1 3/4” hose clamps. Do not tighten
at this time.