GM 1116437 Regulator,Generator

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The procedure for replacing parts in early-model SI type alternators is as follows: First, remove the alternator from the vehicle. Then, scribe or paint marks on the front and rear end frame housings to aid in reassembly. Next, remove the four through-bolts holding the end frames together and separate them. Remove the bolts holding the stator to the rear end frame and detach the stator. Remove the nuts attaching the diode trio to the rectifier bridge and remove the trio. Remove the screws attaching the resistor, Voltage Regulator, and brush holder to the end frame, and detach the brush holder. Remove the brushes from the brush holder by slipping off the brush retainer and remove the springs. To reinstall, start by installing the brushes in the brush holder, starting with the brush closest to the end frame. Use a paper clip to hold the brushes in place while completing reassembly. The paper clip should not be removed until the end frames are bolted together.

Remove the alternator and mark the front and rear frames for reassembly. Take out the four bolts connecting the frames and separate them. Detach the stator from the rectifier bridge and remove the diode trio. Remove the brush holder and the voltage regulator. For installation, reverse the steps. When reinstalling the brush holder, press the brushes in, use a straightened paper clip to hold them, and only remove the clip once the frames are bolted together.