FASS T C10 260G - Manual (Page 10)

B. Remove the 3 bolts holding the fuel cooler to the mounting bracket.
The fuel cooler is located in front of the fuel tank.
C. Using a fuel line disconnect tool, disconnect the factory suction line located above the fuel cooler.
Place the disconnect tool around the fuel tube and slide the tool under the fuel line connection to re-
lease the fuel line. Pinch in tabs on 2011-2012.
D. Remove filler neck tube and over-flow tube from the top of the fuel
tank by loosening clamp. Some models have an integrated filler
neck. If your over-flow is integrated, be careful not to hang up the
internal flow tube when lowering the tank.
A. Before tank is removed or moved, identify ALL areas of clearance
between the tank and the truck’s bed for the best location to install
the BHF assembly. With proper clearance, you want to install it as
close to the Fuel sending unit as possible.
Some of the photo’s are of a different application, procedures are the same.