BRAKESYSTEM
less.Itisrecommendedthatalldisc
brakepadsbereplacedatthesame
timesincethiswillmaintainbalanced
braking.Ataminimum,replacealldisc
brakepadsononeaxle,bothends,at
thesametime.
Calipers-Visuallyinspectcalipers
forbrakeuidleakage,damagedor
defectivepistonsorpistonboots.If
thereisevidenceofleakage,damage,
orotherdefectsthecalipershouldbe
replacedorrepaired.
Discbrakerotors-Visuallyinspect
rotorsforscoring,warping,cracks,
bluingorheatspotsorotherdamageor
defects.Ifsignsofdamageordefects
arefound,therotor(s)shouldbe
resurfacedorreplacedinaccordance
withthevehiclemanufacturer's
recommendedserviceprocedure.
Anchorplates-Visuallyinspect
anchorplatesforwornordamaged
slippers,damagedordislodgedguide
pinbootsorotherdefects.Ifsignsof
wear,damageordefectsarefound,
theanchorplate(s)shouldberepaired
orreplaced.
ParkingBrakeComponent
Inspection
NOTE
Ifyouarenotproperlytrainedtoper-
formbrakeinspectionsorservice,
takeyourvehicletoyournearestPe-
terbiltdealer.
Visuallyinspectbrakeshoeliningfor
wear,cracks,orbreakage.Iflinings
areworndownto2.5mm(0.10in),
theymustbereplaced.Inspectbrake
drumfordeepscores,heatspots,
cracks,ordamage.Replaceifneeded.
5-70Y53-6060-1C1(03/17)
5
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