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.
2021 Lexus NX 300h BaseFACTORY OEM SERVICE PROCEDURE
Technical Bulletins: Campaigns
Select a section or procedure below to view factory instructions:
Customer Support Program 24LE03 Certain 2018 - 2021 Model Year NX300H Certain 2016-2018 Model Year GS450H Certain 2013-2016 Model Year LS600H Coverage For Brake Booster And Brake Booster Pump Assemblies C1391, C1252, C1253 Or C1256 (24LE03)Customer Support Program 24LE03 Certain 2018 - 2021 Model Year NX300H Certain 2016-2018 Model Year GS450H Certain 2013-2016 Model Year LS600H Coverage For Brake Booster And Brake Booster Pump Assemblies C1391, C1252, C1253 Or C1256 (24LE03)
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:
- • 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.