Peterbilt 348 2017 - Page 337

NOISEANDEMISSIONCONTROL
stepstoreplacetheDEFsupplypump
lter:
1.Turnoffthevehicleandallowthe
vehicletocooldown.Takespecial
precautionwithhotexhaustpiping.
WARNING!
Theexhaustpipingcanbecomeex-
tremelyhotduringengineoperation
andcancausepersonalinjuryinclud-
ingseriousburnstotheskin.Allow
adequatecoolingtimebeforework-
ingnearanypartoftheexhaustsys-
tem.
2.Removethepumpprotectiveplate
mountedonthebottomoftheDEF
tank.
3.Usinga27mmsocketwrench
(DIN3124),removetheltercap
thatisscrewedtotheDEFSupply
pump.
(03/17)Y53-6060-1C15-127
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