starter motor

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ttk

New Member
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2
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uk kent
i have a range rover sport ,had a problem ,with the starter motor ,would not trun off when ignition was of and the car shut downd by its self ,i disconnected the battery ,car is still down but ,when connect to the battery ,it keeps truning ,i will replace the starter motor but how do i get the car mobilized ? will i have to get a diagnostic done ?any one know and can help me ,
thanks
ttk
 
My guess is the starter relay contacts have welded closed, supplying power to the starter solenoid permanently.

I can't see the relevance of the immobiliser to be honest, as this issue is bypassing that.

Once the battery can be connected without the starter cranking the engine, the problem should go away.
 
Must be either the low current spade terminal supply has 12v energised all the time or the solenoid is sticking
If you pull the thin wire off and connect up battery and it spins then it must be the solenoid , I’m used to series but the solenoid may come apart for cleaning
 
Must be either the low current spade terminal supply has 12v energised all the time or the solenoid is sticking
If you pull the thin wire off and connect up battery and it spins then it must be the solenoid , I’m used to series but the solenoid may come apart for cleaning
Bingo ;)
 
Plus 1 with regards to the relay

In the engine fuse box F44 is the starter motor fuse and relay is R 18 bottom left , wiring is for a TDV6, if u do replace the starter motor plse ensure it’s a Denso one, to get the old one out I i think u need to remove the fuel cooler and fuel filter housing to one side to allow the starter motor to come out

if it is a 2.7 TDV6 I think the Denso starter motors are around £240

also what year and engine do u have plse , thks

hope that also helps

notes


The starter motor is rated as 2.0 kW and is a Denso level three sealed unit. It is a P76S type starter motor and is of conventional design with the motor in line and the drive pinion and solenoid mounted above.

Each starter motor is of the pre-engaged type and comprises of a series wound motor, an overrunning clutch and an integral solenoid. This starter incorporates labyrinth breathing tubes to help with sealing and drainage.

The starter solenoid is energised by a signal from the ECM when the ignition switch is moved to the crank position. When engine cranking is requested, the ECM checks that a valid key code has been received before granting the crank request.

The power for starter operation is supplied on a substantial single cable connected direct from the battery positive terminal. The cable is connected to the solenoid via a copper threaded stud and secured with a nut.

The starter motor is located on the rear RH side of the engine block and protrudes through an aperture to drive the flywheel via a ring gear. The motor is secured to the cylinder block by two bolts and to the ladder frame by four bolts and a support bracket.

The bracket provides crucial support for the starter motor and must not be omitted when installing or reinstalling the unit

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