2018 Lexus NX 300hFACTORY OEM SERVICE PROCEDURE

Components [10/2014 - ]

Fig 1: Identifying Throttle Body Replacement Components (1 Of 2)
GTY516455Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
*1 AIR CLEANER CAP AND HOSE *2 NO. 1 ENGINE COVER SUB-ASSEMBLY
*3 FUEL VAPOR FEED HOSE *4 NO. 2 FUEL VAPOR FEED HOSE
Fig 2: Throttle Body Replacement Components With Torque Specifications (2 Of 2)
GTY504539Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
Callout Description Callout Description
*1 THROTTLE WITH MOTOR BODY ASSEMBLY *2 NO. 2 WATER BY-PASS HOSE
*3 NO. 3 WATER BY-PASS HOSE *4 GASKET
*5 FUEL TUBE SUB-ASSEMBLY *6 NO. 2 FUEL VAPOR FEED HOSE
*7 FUEL HOSE CLAMP *8 FUEL HOSE BRACKET
N*m (kgf*cm, ft.*lbf): Specified torque β€’ Non-reusable part
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.

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