1995 Lexus LS 400FACTORY OEM SERVICE PROCEDURE

Engine Mechanical

WARNING: Air bag system uses a back-up power supply. After turning ignition switch to LOCK position and disconnecting negative battery cable, wait at least 90 seconds before servicing vehicle.

Before performing any on-vehicle adjustments to fuel or ignition systems, ensure engine mechanical condition is okay.

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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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