Toyota 28150-46090 Switch Assy, Magnet Starter

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Pull out the cable from the terminal you identified as negative and then unbolster the starter motor. Unfasten the strap between the solenoid to the starter motor terminal.The units from 1987 and onwards have a socket head cap screw, and you need to remove these two screws to release the starter motor from the housing. Subsequently, use two through bolts with nuts to release the starter motor from the housing also pull out felt seal and O-ring; examine it for cracks, corrosion, and distortion for replacement. Unscrew the bolts which hold down the solenoid to the starter housing then take off the solenoid from the housing. In pre-1987 units, remember the manner in which, the clutch assembly on the solenoid and the pinion and idler gears on the starter motor are fitted before removal. Check the surface finish of gear teeth on pinion gear, idler gear, and clutch assembly and change the gear set if worn or damaged. Further, also look on the ring gear of the flywheel/driveplate if there's a wear or damage at the pinion. To check the Clutch assembly, you should rotate the pinion so it rotates depending on the anti-clockwise direction and there should be a lock up. Assembling the clutch and idler-gear assembly in the new or rebuilt starter or solenoid, just as before, apply high temperature multi purpose grease to the clutch and idler gear assembly. Last but not least, perform the disassembly steps in reverse in order to reassemble the respective object.