NOISE AND EMISSION CONTROL
5
Diesel Particulate Filters (DPF)
• Check diesel particulate lter
(DPF), clamps, and mounting
brackets. Tighten if necessary.
Inspect diesel particulate lter
(DPF) for signs of rust or corrosion.
• Check internal bafing. You can
do this by listening for rattling
sounds while tapping on the diesel
particulate lter (DPF) with a
rubber mallet or revving the engine
up and down through its normal
operating range.
5-120
Diesel Exhaust Fluid Tank
Vehicles that comply with 2013 EPA
emission requirements will have a
Diesel Exhaust Fluid (DEF) tank
mounted to the vehicle frame.
The Diesel Exhaust Fluid (DEF) sys-
tem purges to prevent damage from
freezing. If your vehicle is equipped
with battery disconnect switches, do
NOT disconnect battery power within
two minutes of switching the ignition
key off. Failure to comply may result
in vehicle or property damage.
CAUTION
DEF Filter
The DEF
system has a supply
pump lter and this lter should be
serviced according to the preventive
maintenance schedule. Follow these
steps to replace the DEF supply pump
lter:
1. Turn
off the vehicle and allow the
vehicle to cool down. Take special
precaution with hot exhaust piping.
Y53-6047–2C (04/13)
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