2011 Ford F450 Super Duty Crew Cab Diesel Supplement 5th Printing - Page 60
2011 Ford F450 Super Duty Crew Cab Manual
Page 60 highlights
Maintenance and Specifications WARNING: Do not remove or alter the original equipment floor covering or insulation between it and the metal floor of the vehicle. The floor covering and insulation protect occupants of the vehicle from the engine and exhaust system heat and noise. On vehicles with no original equipment floor covering insulation, do not carry passengers in a manner that permits prolonged skin contact with the metal floor. Provide adequate insulation. Failure to follow these instructions may result in fire or personal injury. Tampering with emissions control systems (including related sensors and the diesel exhaust fluid (DEF) injection system) can result in reduced . engine power and the illumination of the service engine soon light NOISE EMISSIONS WARRANTY, PROHIBITED TAMPERING ACTS AND MAINTENANCE On January 1, 1978, Federal regulation became effective governing the noise emission on trucks over 10,000 lbs. (4,536 kg) GVWR (Gross Vehicle Weight Rating). The following statements concerning prohibited tampering acts and maintenance, and the noise warranty found in the Warranty Guide, are applicable to complete chassis cabs over 10,000 lbs. (4,536 kg) GVWR. Tampering with noise control system prohibited Federal law prohibits the following acts or the causing thereof: (1) The removal or rendering inoperative by any person other than for purposes of maintenance, repair or replacement of any device or element of design incorporated into any new vehicle for the purpose of noise control prior to its sale or delivery to the ultimate purchaser or while it is in use, or (2) the use of the vehicle after such device or element of design has been removed or rendered inoperative by any person. Among those acts which the U.S. Environmental Protection Agency may presume to constitute tampering are the acts listed below: • Removal of hood blanket, fender apron absorbers, fender apron barriers, underbody noise shields or acoustically absorptive material. • Tampering or rendering inoperative the engine speed governor, so as to allow engine speed to exceed manufacturer's specifications. The complexity of the diesel engine makes it so the owner is discouraged from attempting to perform maintenance other than the services described in this supplement. 60 2011 Diesel (eco) Supplement, 5th Printing USA (fus)