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.
2003 Lexus LX 470FACTORY OEM SERVICE PROCEDURE
Service Data
SERVICE DATA
| Starter | Rated voltage and output power | 12 V 2.0 kW | |
| No-load characteristics | Current | 100 A or less at 11.5 V | |
| rpm | 2,500 rpm or less | ||
| Brush length | STD | 15.0 mm (0.591 in.) | |
| Minimum | 9.0 mm (0.354 in.) | ||
| Spring installed load | STD | 21.5 - 27.5 N (2.2 - 2.8 kgf, 4.8 - 6.2 lbf) | |
| Minimum | 12.7 N (1.3 kgf, 2.9 lbf) | ||
| Commutator Diameter | STD | 35.0 mm (1.378 in.) | |
| Minimum | 34.0 mm (1.339 in.) | ||
| Undercut depth | STD | 0.7 mm (0.028 in.) | |
| Minimum | 0.2 mm (0.008 in.) | ||
| Circle runout | Maximum | 0.05 mm (0.0020 in.) | |
| Field frame | |||
| Shunt coil resistance | at 20Β°C(68Β°F ) | 1.5-1.9Ξ© | |
| Magnetic switch | |||
| Contact plate for wear | Maximum | 0.9 mm (0.035 in.) | |
| Β | Β | ||
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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