Peterbilt 348 2017 - Cooling System Maintenance

COOLINGSYSTEM
COOLINGSYSTEM
Coolingsystem
maintenance
Yourengine’scoolingsystemis
standardwithExtendedLifeCoolant
(ELC).ELCconsistsofamixtureof
ethyleneglycol,water,andorganic
acidtechnologychemicalinhibitors.
ELCpreventscorrosionandscale
formationaswellasprovidesfreezing
andboilingpointprotection.
CAUTION
Theenginecoolingsystemhasvery
specicmaintenanceandinspection
requirements.Failuretofollowre-
quirementscandamagetheengine.
Enginedamagecanincludebutis
notlimitedto:
•Freezing
•Boiling
•Corrosion
•Pittedcylinderliners
Thisinformationisfoundintheen-
ginemanufacturersowner’smanual.
Itistheowner’sresponsibilitytofol-
lowallrequirementslistedintheen-
ginemanufacturersowner’smanual.
WhatToCheckInAnELC-lled
CoolingSystem
ELCConcentration
Checktheleveloffreeze/boilover
protection,whichisdeterminedby
theELCconcentration.Useaglycol
refractometertodetermineglycollevel.
AddELCtoobtaintheELCtowater
ratiorequiredtoprovidetheprotection
youneed.Usethechartbelowtohelp
determinehowmuchELCyouneed
toadd.
NOTE
MaximumrecommendedELCcon-
centrationis60%ELCand40%wa-
terbyvolume(a60/40coolantmix-
ture).Theminimumrecommended
concentrationis40%.
InanELC-lledcoolingsystem,the
freezepointshouldbemaintained
between-30°Fand-45°F(-34°Cand
-43°C).
5-80Y53-6060-1C1(03/17)
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