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.
1993 Lexus LS 400FACTORY OEM SERVICE PROCEDURE
Bleeding Brake System
CAUTION:
Brake fluid will damage painted surfaces. If brake fluid is spilled on painted surface, wipe it off immediately and clean with alcohol. Use only DOT 3 brake fluid from a sealed container. DO NOT mix brake fluid with any other type.
- ABS bleeding procedure is the same procedure used in bleeding conventional brake system. On models without TRAC, if master cylinder is rebuilt or reservoir is empty, bleed master cylinder first. On models with TRAC, bleed TRAC system first. To bleed TRAC system, go to step 3).
- On all models, bleed wheels in sequence after master cylinder (models without TRAC) or TRAC system (models with TRAC) has been bled. Start on wheel with longest hydraulic line, and work toward wheel with shortest hydraulic line. Tighten bleeder plug to 97 INCH lbs. (11 N.m).CAUTION: Fluid is under high pressure.
Factory Service Tools
Use the Manual With the Right Hardware
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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.