1995 Lexus SC 400FACTORY OEM SERVICE PROCEDURE

Throttle Body: Installation

WARNING: This page is about a different car, the 1995 Lexus SC 300. However, it is still accessible from the selected car via links, so may be relevant.

Clean throttle body gasket surfaces. Install NEW gasket and throttle body. Tighten throttle body nuts to specification. See TORQUE SPECIFICATIONS. To complete installation, reverse removal procedure. Fill cooling system with proper mix of water and coolant.

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.