2003 Lexus LS 430FACTORY OEM SERVICE PROCEDURE

Service Data

STARTING COMPONENTS SERVICE SPECIFICATION

Starter Rated voltage and output power 12 V 2.0 Kw
No-load characteristics
  1. Current
  2. rpm
  1. 100 A or less at 11.5 V
  2. 2,500 rpm or less
Brush length
  1. STD
  2. Minimum
  1. 15.0 mm (0.591 in.)
  2. 9.0 mm (0.354 in.)
Spring installed load
  1. STD
  2. Minimum
  1. 21.5 - 27.5 N (2.2 - 2.8 kgf, 4.9 - 6.2 lbf)
  2. 12.7N (1.3kgf, 2.9lbf)
Commutator
Diameter
  1. STD
  2. Minimum
  1. 35.0 mm (1.378 in.)
  2. 34.0 mm (1.339 in.)
Undercut depth
  1. STD
  2. Minimum
  3. Circle runout Maximum
  1. 0.7 mm (0.028 in.)
  2. 0.2 mm (0.008 in.)
  3. 0.05 mm (0.0020 in.)
Magnetic switch
Contact plate for wear Maximum		 0.9 mm (0.035 in.)
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.

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