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36-1

GROUP36

PARKINGBRAKES

CONTENTS

GENERALDESCRIPTION.........

36-2

PARKINGBRAKECABLE.........

36-7

PARKINGBRAKEDIAGNOSIS....

36-2

REMOVALANDINSTALLATION........

36-7

INTRODUCTION.....................

36-2

PARKINGBRAKELININGANDDRUM

36-8

TROUBLESHOOTINGSTRATEGY......

36-2

REMOVALANDINSTALLATION........

36-8

SYMPTOMCHART...................

36-2

INSPECTION........................

36-10

SYMPTOMPROCEDURES............

36-3

SPECIFICATIONS...............

36-11

ON-VEHICLESERVICE...........

36-4

FASTENERTIGHTENING

PARKINGBRAKELEVERSTROKECHECK

SPECIFICATIONS....................

36-11

ANDADJUSTMENT..................

36-4

SERVICESPECIFICATIONS...........

36-11

PARKINGBRAKESWITCHCHECK.....

36-5

LUBRICANT........................

36-11

PARKINGBRAKELININGSEATING

SEALANT..........................

36-11

PROCEDURE.......................

36-5

PARKINGBRAKELEVER........ 36-6

REMOVALANDINSTALLATION........ 36-6

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TSBRevision

36-2

PARKINGBRAKES

GENERALDESCRIPTION

GENERALDESCRIPTION

M1361000100236

Theparkingbrakeisofamechanicalcontroltypeactingontherearwheels.Aleverisusedtoapplytheparkingbrake.Theoperationmethodutilizesaparkingbrakeleverwhichisinanoffsetpositionatthedriver'sside.

CONSTRUCTIONDIAGRAM

PARKINGBRAKECABLE

PARKINGBRAKELEVER

AC204057AB

INTRODUCTION

PARKINGBRAKEDIAGNOSIS

M1361003700196

Iftheparkingbrakeisfaulty,parkingbrakeeffortwillbecomeinsufficient.Thecausemaybeamalfunc-tionofparkingbrakepartsortheparkingbrakeleverbeingoutofadjustment.

TROUBLESHOOTINGSTRATEGY

Usethesestepstonyourdiagnosticstrategy.Ifyoufollowthemcarefully,youwillbesurethatyouhaveexhaustedmostofthepossiblewaystofindaparkingbrakesfault.

GatherInformationfromthecustomer.

SYMPTOMCHART

M1361003800201

Verifythattheconditiondescribedbythecustomerexists.

FindthemalfunctionbyfollowingtheSymptomChart.

Verifymalfunctioniseliminated.

M1361004100205

SYMPTOMS

INSPECTIONPROCEDURE

REFERENCEPAGE

Parkingbrakedoesnotfullyrelease

1

P.36-3

Parkingbrakedoesnothold

2

P.36-3

SYMPTOMPROCEDURES

PARKINGBRAKES 36-3

PARKINGBRAKEDIAGNOSIS

INSPECTIONPROCEDURE1:ParkingBrakedoesnotFullyRelease

DIAGNOSIS

STEP1.Checkthattheparkingbrakecanbereleasedcorrectly.

Q:Istheparkingbrakereleasedcorrectly?

YES:Correcttheparkingbrake.ThengotoStep5.

NO:GotoStep2.

STEP2.Checkthattheparkingbrakeisadjustedcorrectly(RefertoP.36-4).

Q:Istheparkingbrakeadjustedcorrectly?

YES:Adjusttheparkingbrake.ThengotoStep5.

NO:GotoStep3.

STEP3.Checktheparkingbrakecablerouting.

Q:Istheparkingbrakeroutingcorrect?

YES:Correctthecablerouting.ThengotoStep5.

NO:GotoStep4.

STEP4.Checktherearbrake'sshoesandlinings(RefertoP.36-10).

Q:Aretherearbrakeshoesandliningsingoodcondition?

YES:Correcttherearbrakeshoe(s)andlining(s).

ThengotoStep5.

NO:GotoStep5.

STEP5.Retestthesystem.

Q:Isthemalfunctioneliminated?

YES:Theprocedureiscomplete.

NO:RecheckfromStep1.

INSPECTIONPROCEDURE2:ParkingBrakedoesnotHold

DIAGNOSIS

STEP3.Checkliningsurfaceforgreaseoroil

contamination.

STEP1.Checktheparkingbrakeleverforexcessivestroke.

Q:Istheparkingbrakeleverstrokeexcessive?

YES:Adjusttheparkingbrakeleverstroke(RefertoP.36-4.)orchecktheparkingbrakecablerouting.(RefertoP.36-7.)ThengotoStep5.

NO:GotoStep2.

STEP2.Checkforastickingparkingbrakecable.

Q:Doestheparkingbrakecablebind?

YES:Recethecable.ThengotoStep5.

NO:GotoStep3.

Q:Istheliningsurfacecontaminatedwithoilorgrease?

YES:Recethelining.ThengotoStep5.

NO:GotoStep4.

STEP4.Checktherearbrake'sshoeandlining.

Q:Isthereafault?

YES:Correcttheshoeandlining.ThengotoStep5.

NO:GotoStep5.

STEP5.Retestthesystem.

Q:Isthemalfunctioneliminated?

YES:Theprocedureiscomplete.

NO:RecheckfromStep1.

36-4

PARKINGBRAKES

ON-VEHICLESERVICE

ON-VEHICLESERVICE

PARKINGBRAKELEVERSTROKECHECKANDADJUSTMENT

M1361000900221

Pulltheparkingbrakeleverwitha ofapproximay200N(45pounds)andcountthenumberofnotches.

Standardvalue:57notches

Iftheparkingbrakeleverstrokeisnotwithinthestandardvalue,adjustasdescribedbelow.

CABLEROD

ADJUSTINGNUT

ACX01005AB

Removethecupholder,andthenloosentheadjustingnuttomoveittothecablerodendsothatthecablewillbe .

Removetherearwheels.

ADJUSTERASSEMBLY

BACKINGTE

ACX00699AB

Removetheadjustmentholeplugontherearbrakebackingte,andthenuseaflat-tipscrewdrivertoturntheadjusterinthedirectionofthearrow(thedirectionwhichexpandstheshoe)sothatthediscwillnotrotate.Returntheadjusterthreeorfournotchesinthedirectionoppositetothedirectionofthearrow.

CAUTION

Iftheparkingbrakeleverstrokeisbelowthestandardvalueandthebrakingistoofirm,therearbrakesmaydrag.

CABLEROD

ADJUSTINGNUT

ACX01005AB

Turntheadjustingnuttoadjusttheparkingbrakeleverstroketothestandardvalue.Afteradjusting,checkthatthereisnospacebetweentheadjustingnutandtheparkingbrakelever.

Releasetheparkingbrakeandturntherearwheelstocheckthattherearbrakesarenotdragging.

PARKINGBRAKES 36-5

ON-VEHICLESERVICE

PARKINGBRAKESWITCHCHECK

M1361003300251

Removethecupholderandindicatorpanel(RefertoGROUP52A,FloorConsoleP.52A-7).

ACX00700AB

Checkforcontinuitybetweentheparkingbrakeswitchterminalandtheswitchmountingbolt.

Whenparkingbrakeleverispulled

2ohmorless

Whenparkingbrakeleverisreleased

Opencircuit

PARKINGBRAKELININGSEATINGPROCEDURE

CAUTION

M1361001100198

Performliningseatinginacewithgoodvisibility,andpaycarefulattentiontosafety.

Performliningseatingbythefollowingprocedurewhenrec-ingtheparkingbrakeliningsortherearbrakediscrotors,orwhenbrakeperformanceisinsufficient.

Adjusttheparkingbrakestroketothespecifiedvalue(RefertoP.36-4).

PULL

SPRINGBALANCE

APPROXIMA Y

40mm(1.6in)

ACX00701AB

Hookaspringscaleontothecenteroftheparkingbrakelevergripandpullitwitha of100150N(2334pounds)inadirectionperpendiculartothehandle.

Drivethevehicleataconstantspeedof3550km/h(22

31mph)for100meters(328feet).

Releasetheparkingbrakeandletthebrakescoolforfivetotenminutes.

Repeattheprocedureinsteps2.to4.fourtofivetimes.

36-6

PARKINGBRAKES

PARKINGBRAKELEVER

PARKINGBRAKELEVER

REMOVALANDINSTALLATION

M1361001300211

Post-installationOperation

ParkingBrakeLeverStrokeAdjustment(RefertoP.36-4.)

FloorConsoleInstallation(RefertoGROUP52A,FloorConsoleP.52A-7.)

Pre-removalOperation

FloorConsoleRemoval(RefertoGROUP52A,FloorConsoleP.52A-7.)

4.9±1.0N·m

44±8in-lb

6 1

7

2 4

5

3

8

A

RATCHET TE

SECTIONA–A

SECTIONB–B

B

7

A

RATCHETPAWL

B

REMOVALSTEPS

G-SENSORBRACKET

FLOORCONSOLEBRACKET

ADJUSTINGNUT

PARKINGBRAKECABLEASSEMBLY

PARKINGBRAKESTAY

ACX00702AB

REMOVALSTEPS()

BUSHING

PARKINGBRAKELEVERASSEMBLY

PARKINGBRAKESWITCH

PARKINGBRAKES 36-7

PARKINGBRAKECABLE

PARKINGBRAKECABLE

REMOVALANDINSTALLATION

M1361001900365

Post-installationOperation

ParkingBrakeLeverStrokeCheckandAdjustment(RefertoP.36-4.)

FloorConsoleInstallation(RefertoGROUP52A,FloorConsoleP.52A-7.)

Pre-removalOperation

FloorConsoleRemoval(RefertoGROUP52A,FloorConsoleP.52A-7.)

1

ACX00703AB

REMOVALSTEPS

SHOEANDLININGASSEMBLY(REFERTOP.36-8.)

PARKINGBRAKECABLEASSEMBLYCONNECTION(REFERTOP.36-6.)

PARKINGBRAKECABLE

36-8

PARKINGBRAKES

PARKINGBRAKELININGANDDRUM

PARKINGBRAKELININGANDDRUM

REMOVALANDINSTALLATION

M1361002500371

Post-installationOperation

ParkingBrakeLeverStrokeCheckandAdjustment(RefertoP.36-4).

ParkingBrakeLiningSeating(RefertoP.36-5).

FloorConsoleInstallation(RefertoGROUP52A,FloorConsoleP.52A-7).

142±14N·m

105±10ft-lb

13

11

100±10N·m

74±7ft-lb

10

1

9

3

6

12

10

7

13

8

4

5

2

SEALANT:

3MTMADDPARTNO.8633OREQUIVALENT

10

:

5

10

12

BRAKEGREASE:BRAKEGREASESAEJ310,NLGINO.1

AC204052AC

REMOVALSTEPS

<<A>> 1. REARBRAKECALIPERASSEMBLY

REARBRAKEDISC

>>B<<3. SHOE-TO-ANCHORSPRING

4. ADJUSTINGWHEELSPRING

>>A<<5. ADJUSTERASSEMBLY

STRUT

REMOVALSTEPS()

SHOE-TO-SHOESPRING

SHOEHOLD-DOWNCUPANDSHOEHOLD-DOWNSPRING

CLIP

SHOEANDLININGASSEMBLY

PARKINGBRAKES 36-9

PARKINGBRAKELININGANDDRUM

REMOVALSTEPS()

REARHUBASSEMBLY(REFERTOGROUP27,REARHUBASSEMBLYP.27-14).

BACKINGTE

SHOEHOLD-DOWNPIN

REMOVALSERVICEPOINT

<<A>>REARBRAKECALIPERASSEMBLYREMOVAL

ACX00705

Removetherearbrakecaliperassemblyandsupportitwithwireorsomethingsimilar.

INSTALLATIONSERVICEPOINTS

>>A<<ADJUSTERASSEMBLYINSTALLATION

SHOEADJUSTINGBOLT

ACX00706AB

Installtheadjustersothattheshoeadjustingboltforthelefthandwheelisattachedtowardstherearofthevehicle,andtheshoeadjustingboltfortherighthandwheelistowardsthefrontofthevehicle.

36-10

PARKINGBRAKES

PARKINGBRAKELININGANDDRUM

>>B<<SHOE-TO-ANCHORSPRINGINSTALLATION

CAUTION

Thefrontandrearshoe-to-anchorspringsarenotinter-changeable,sothespringwiththepaintmarkmustbeinstalledattherearside.

RIGHTSIDEWHEEL

1

PAINT

2

REAR

ACX01980AB

Installtheshoe-to-anchorspringsintheordershownintheillustration.

LEFTSIDEWHEEL

REAR

2

1

PAINT

ACX00707AB

INSPECTION

M1361002600185

PARKINGBRAKELININGANDBRAKEDRUMCHECK

ACX00708AB

Measurethethicknessofthebrakeliningatseveralces.

Standardvalue:3.0mm(0.12inch)

MinimumLimit:1.0mm(0.04inch)

Ifthethicknessofthebrakeliningisbelowthelimit,recetheshoeandliningassembliesonbothsidesofthevehicle.Neverreceonlyoneside.

ACX00709AB

Measuretheinsidediameterofthebrake