Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2002 Lexus LS 430FACTORY OEM SERVICE PROCEDURE
Charging Systems: Generator: Reassembly
- Install rotor to drive end frame.
- Place the drive end frame on the pulley.
- Install the rotor to the drive end frame.
- Install coil assembly.
- Place the generator washer on the rotor.
- Using a 29 mm socket wrench and press, slowly press in the coil assembly.
- Install the coil assembly with the 4 bolts.
Torque : 5.8 N.m (59 kgf.cm, 51 in.lbf)
- Install pulley.
- Install the pulley to the rotor shaft by tightening the pulley nut by hand.
- Hold SST (A) with a torque wrench, and tighten SST (B) clockwise to the specified torque.
SST 09820-63011
Torque : 39 N.m (400 kgf.cm, 29 ft.lbf)
- Check that SST (A) is secured to the pulley shaft.
- Mount SST (C) in a vise.
- Insert SST (B) into SST (C), and attach the pulley nut to SST (C).
- To torque the pulley nut, turn SST (A) in the direction shown in the illustration.
Torque : 110.5 N.m (1,125 kgf.cm, 81 ft.lbf)
- Remove the generator from SST (C).
- Turn SST (B), and remove SST (A and B).
- Install brush holder.
- Place the front seal plate to the coil assembly.
- Place the brush holder on the coil assembly.NOTE: Be careful of the holder installation direction.
- Install the 2 screws.
Torque : 1.8 N.m (18 kgf.cm, 16 in.lbf)
- Place the real seal plate on the brush holder.
- Install rear end cover.
- Install the terminal insulator.
- Install the end cover with the 3 nuts.
Torque: 4.6 N.m (47 kgf.cm, 41 in.lbf)
- Check that rotor rotates smoothly.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
