OEM 2006 Scion xB Alternator

2006 Scion xB Parts Questions & Experts Answers

• Q: How to service and repair the alternator on 2006 Scion xB?

  A: Service and repair operations on the alternator require you to begin by taking the generator apart. First use Special Service Tool 09820-63010 (09820-06010, 09820-06020) to remove the generator pulley by applying torque with a torque wrench to grasp the pulley holding tool until it reaches 39 Nm (400 kgf.cm, 29 ft.lbf) while aligning it with the rotor shaft. Place the adapter in a vise afterward put the socket inside the adapter and install the pulley nut. Prudent rotation of the pulley holding tool in a counterclockwise direction will loosen the pulley nut but the operator must stop when it reaches half its turn to prevent rotor shaft damage. The procedure starts with removing the generator from its adapter before removing the socket and pulley holding tool in succession with the pulley nut and pulley. Start removing the rear end cover by unthreading both the nut and terminal insulator followed by removing the bolt and three nuts and plate terminal and end cover. Start by detachment of the brush holder assembly that requires the brush holder cover along with the two screws holding the brush holder in place. Start with removing the three screws that secure the generator regulator assembly while proceeding to unscrew the four screws holding the generator holding unit with rectifier. To remove the generator rectifier end frame, first separate the four rubber insulators and seal plate and four nuts and cord clip before using tool Special Service Tool 09286-46011 to proceed. To complete the generator rotor assembly removal process you must take off the generator washer before carefully extracting the rotor from the drive end frame. Reassemble the device by inserting the generator rotor along with the washer before you use a 19 mm socket wrench to press in the rectifier end frame while installing four nuts and a cord clip that need tightening with nut A set to 4.5 N.m (46 kgf.cm, 40 in.lbf) and nut B set to 5.4 N.m (55 kgf.cm, 48 in.lbf). Place the seal plate while maintaining correct orientation of the four rubber insulators. First install the rectifier holder by tightening its four screws to 2.9 N.m (30 kgf.cm, 26 in.lbf) and after that do the generator regulator assembly with three screws at 2.0 N.m (20 kgf.cm, 18 in.lbf), then install the brush holder assembly with two screws at the same torque while double-checking the brush holder orientation before installing its cover. Use the bolt to install the rear end cover and plate terminal before tightening the bolt to 3.9 N.m (40 kgf.cm, 34 in.lbf) and securing the three nuts to 4.4 N.m (45 kgf.cm, 39 in.lbf). Finish the installation by affixing the terminal insulator with a nut that is tightened to 4.1 N.m (42 kgf.cm, 36 in.lbf). Finally, install the generator pulley by hand-tightening the pulley nut, then use Special Service Tool 09820-63010 (09820-06010, 09820-06020) to tighten the socket clockwise to 39 Nm (400 kgf.cm, 29 ft.lbf), ensuring the tool is secured to the pulley shaft, clamp the adapter in a vise, insert the socket, and attach the pulley nut to the adapter, tightening the pulley nut with the pulley holding tool clockwise to 133 Nm (1,356 kgf.cm, 98 ft.lbf), then remove the generator from the adapter, and check that the pulley moves smoothly.