F 250 4WD Super Duty V10-6.8L VIN Z CNG (2003)
3. Install the front auxiliary heater inlet line through the fender well and connect it to the engine compartment heater inlet line.
4. Snap the front auxiliary heater inlet line into the brackets.
5. Install the brackets over the studs and loosely install the nuts.
6. Connect the two auxiliary heater inlet lines.
CAUTION: Use a wrench on each side of the fitting to prevent damage to the fitting.
7. Tighten the five bracket nuts.
CAUTION: Overtightening of the nut will cause the stud to break away from the floor pan.
