Genuine Toyota Sienna Voltage Regulator

Toyota Sienna Voltage Regulator Parts Questions & Experts Answers

• Regulator Assy, Generator
  27700-20050
  Q: How do you remove and reinstall the Alternator Brush and Voltage Regulator on Toyota Sienna?

  A: To do this, disconnect and then unbolt the Alternator, then clean it by laying it on a workbench. Unscrew the output terminal nut and the insulator; unscrew the nuts on the rear cover and take the rear cover off. Subsequently, unscrew the two screws that hold the brush holder and join the holder from the battery assembly. Next, pull out the three screws that hold in the voltage regulator and take out the voltage regulator, however, as you can see refer the models 2007 and onwards do not have these voltage regulators as explained. Calculate the length of all exposed parts of each brush and match that with the set length minimum; in a situation where the encountered length is less than the minimum, change the brush assembly. Make sure that every single brush to slide in the brush holder with equal ease. Move on to fit the voltage regulator then the brush holder; the brushes should be pushed in by using a small screwdriver while fitting this part to clear the shaft. Screw the brush holder to the back frame Next, fit in the back cover and tight the nuts down as much as possible. Last but not the least fix the output terminal insulator and fasten it with the help of the nut and fit the alternator.