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 GS 430FACTORY OEM SERVICE PROCEDURE
Charging Systems: Generator: Reassembly
- Install rotor to drive end frame.
- Place the rectifier end frame on the pulley.
- Install the rotor to the rectifier end frame.
- Install rectifier end frame.
- Place the generator washer on the rotor.
- Using a 29 mm socket wrench and press, slowly press in the rectifier end frame.
- Install the cord clip and 3 nuts, and temporarily tighten the 3 nuts.
- 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 (1125 kgf.cm, 82 ft.lbf)
- Remove the generator from SST (C).
- Turn SST (B), and remove SST (A and B).
- Install rectifier holder.
- Install the 4 rubber insulators on the lead wires.NOTE: Be careful of the rubber insulators installation direction.
- Install the 4 rubber insulators on the lead wires.
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.
