Toyota 27370-35060 Holder Assy, Alternator Brush

Before you can pull the alternator from the 1979 through 1983 models, take time to mark the alternator case so that you can be sure that you will be reassembling it in the right manner. Third, it is necessary to unbolt three through-bolts, and then sledge the rectifier end frame and stator away from the drive-end frame and the rotor using a screwdriver to detach the stator. Subsequently, it is necessary to pull out all the four nuts and the condenser together with both terminal insulators from the rectifier end frame without losing the insulator of the rectifier holder stud as well as the rubber cushion for the brush holder. Some of the necessary steps that have to be perform include desoldering of leads and removal of old brushes and springs from the respective brush holder should be done carefully avoiding application of excessive heat. Replace the new brushes and springs one at a time and make sure that the newly installed brush is of the required standard exposed length and then solder the leads. Avoid applying heat when soldering in the reassembly process, and while engaging the brushes with the holder, ensure that you force them in to ensure that they are trapped in place, a piece of wire can be used for trapping the brushes in place. Place the insulator on shown on posative,sided rectifier holder stud needing a rubber cushion on brushes, and also ensure that the wires do not touch the case when fixing the rectifier end frame. For 1984 and later models, removing the three retaining nuts and insulators and other procedures differ from the steps mentioned above, detached the brush holder and cover and check the exposed brush length and finally replace the brushes based on the procedure. Desolder and take out the brush and the spring and then pass the new brush lead through the brush holder with the new brush, then put the spring and then solder the leads to the contact terminal and adjust the exposed length correctly. Last but not the least, fit in the brush holder and new brushes at the rotor shaft and measure the clearance by tightening the cover screws in accordance with the necessity of the job and then reverse the process.

If you are only replacing the regulator, proceed to Step 8 to install the new unit, reassemble the alternator, and install it on the engine. If you are going to replace the brushes, proceed with the next step.

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