1.Release the clips that secure the airfilter cover to the housing.
2.Carefully lift the air filter housing cover.
3.Remove the air filter element from theair filter housing.
4.To install, reverse the removalprocedure.
CHANGING THE ENGINE AIRFILTER - 5.2L
WARNING: To reduce the risk ofvehicle damage and personal burninjuries, do not start your engine with theair cleaner removed and do not removeit while the engine is running.
Change the air filter element at the properintervals, see scheduled maintenance.
When changing the air filter element, useonly the air filter element listed, seecapacities and specifications.
Note:Failure to use the correct air filterelement could result in severe enginedamage that the vehicle warranty may notcover.
Note: When servicing the air cleaner, donot allow foreign material to enter the airinduction system. The engine is susceptibleto damage from even small particles.
1.Release the four clips that secure theair filter cover to the housing.
2.Carefully lift the air filter housing cover.
3.Remove the air filter element from theair filter housing.
4.To install, reverse the removalprocedure.
CHANGING THE FUEL FILTER
Your vehicle has a lifetime fuel filter thatintegrates with the fuel tank. It does notneed regular maintenance or replacement.
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Tampering with emissionscontrol systems includingrelated sensors or the DieselExhaust Fluid system can result in reducedengine power and the illumination of theservice engine soon light.
Tampering With a Noise ControlSystem
Federal laws prohibit the following acts:
•Removal or rendering inoperative byany person other than for purposes ofmaintenance.
•Repair or replacement of any device orelement of the design incorporated intoa new vehicle for the purpose of noisecontrol prior to its sale or delivery tothe ultimate purchaser or while it is inuse.
•The use of the vehicle after any personremoves or renders inoperative anydevice or element of the design.
The U.S. Environmental Protection Agencymay presume to constitute tampering asfollows:
•Removal of hood blanket, fender apronabsorbers, fender apron barriers,underbody noise shields or acousticallyabsorptive material.
•Tampering or rendering inoperative theengine speed governor, to allow enginespeed to exceed manufacturerspecifications.
If the engine does not start, runs rough,experiences a decrease in engineperformance, experiences excess fuelconsumption or produces excessiveexhaust smoke, check for the following:
•A plugged or disconnected air inletsystem hose.
•A plugged engine air filter element.
•Water in the fuel filter and waterseparator.
•A clogged fuel filter.
•Contaminated fuel.
•Air in the fuel system, due to looseconnections.
•An open or pinched sensor hose.
•Incorrect engine oil level.
•Incorrect fuel for climatic conditions.
•Incorrect engine oil viscosity forclimactic conditions.
Note:Some vehicles have a lifetime fuelfilter that is integrated with the fuel tank.Regular maintenance or replacement is notneeded.
Note:If these checks do not help youcorrect the concern, have your vehiclechecked as soon as possible.
Noise Emissions Warranty,Prohibited Tampering Acts andMaintenance
On January 1, 1978, Federal regulationbecame effective governing the noiseemission on trucks over 10,000 lb(4,536 kg) Gross Vehicle Weight Rating(GVWR). The preceding statementsconcerning prohibited tampering acts andmaintenance, and the noise warrantyfound in the Warranty Guide, areapplicable to complete chassis cabs over10,000 lb (4,536 kg) GVWR.
EXPORT UNIQUE OPTIONS
For your particular global region, yourvehicle may be equipped with features andoptions that are different from the featuresand options that are described in thisOwner’s Manual. A market uniquesupplement may be supplied thatcomplements this book. By referring to themarket unique supplement, if provided,you can properly identify those features,recommendations and specifications thatare unique to your vehicle. This Owner’s
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