Case 580T - Page 371

8-TROUBLESHOOTING
PROBLEMPOSSIBLECAUSECORRECTION
Checkthegeneralpressureof
transmission.
Checkvoltage.
Checktheoperationofthesolenoid
valve.
Checkthemountingofthebrake
solenoidvalveblockafteroperating
onthebrake.
Thebrakedoesnotrelease.
Aftertheabove-described
verications,disassemblethe
brakecoverandcheckthecondition
ofthepartsforunlocking/locking
thebrake(teonseals,Belleville
washers,brakediscdeformation,
etc.).
Incorrectoiltemperature.
Waitfortheoperatingtemperatureto
bereached(stalltest).
Transmissionoiloverheating.Restoreacceptabletemperature
values.
Incorrectoperatingpressures.
Checkthehydrauliccircuitand
replace(oilpump,lters,control
valve).
Damagedconverter.Replacetheconverter.
Incorrectoillevel.Restoretheoillevel.
Worn-outclutchassembly.
Replace/repair.
4WDfailstoengage.Repair/replacethe4WDshaftassy.
Overheatedsolenoids/solenoid
valves.
Replace.
Damagedconnectionsof
transmissionandvehiclewiring
harness(onlyforPOWERSHIFT
models).
Repairand,ifnecessary,replacethe
connections(onlyforPOWERSHIFT
models).
DamagedlogicofEGM/ECU
gearshiftelectroniccontrol(onlyfor
POWERSHIFTmodels).
ReplacetheEGM/ECU(onlyfor
POWERSHIFTmodels).
Thevehiclehasareducedpower
transmission.
Damagetosensors.Replacesensors.
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