Installation (SC300)

1998 Lexus SC 300SECTION Installation (SC300)

Clean throttle body gasket surfaces. To prevent throttle body gear sticking clean throttle body of any foreign materials. Install water bypass hoses clamps as illustrated. See Figure. Install NEW gasket and throttle body. Tighten throttle body nuts to specification. See TORQUE SPECIFICATIONSΒ . To complete installation, reverse removal procedure. Fill cooling system with proper mix of water and coolant.

RENDER: 1.0x

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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.