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.
2017 Lexus IS 300 BaseFACTORY OEM SERVICE PROCEDURE
Components [08/2015 - 10/2017]
| *A | For 2WD | *B | For AWD |
| *C | w/ Intake Air Sound Creator | *D | w/o Intake Air Sound Creator |
| *1 | AIR CLEANER CAP WITH AIR CLEANER HOSE | *2 | CENTER NO. 4 ENGINE UNDER COVER |
| *3 | INTAKE AIR SOUND CREATOR | *4 | NO. 2 VENTILATION HOSE |
| *5 | THROTTLE BODY GASKET | *6 | THROTTLE BODY WITH MOTOR ASSEMBLY |
| *7 | V-BANK COVER SUB-ASSEMBLY | *8 | NO. 2 FUEL VAPOR FEED HOSE |
| *9 | NO. 1 WATER BY-PASS HOSE | *10 | NO. 2 WATER BY-PASS HOSE |
| N*m (kgf*cm, ft.*lbf): Specified torque | • | Non-reusable part |
Factory Service Tools
Use the Manual With the Right Hardware
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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.