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 LS 500h AWDFACTORY OEM SERVICE PROCEDURE
Components [10/2020 - ]
| Callout | Description | Callout | Description |
|---|---|---|---|
| *A | for Type A | *B | for Type B |
| *1 | AIR CLEANER WITH AIR CLEANER HOSE | *2 | LOWER RADIATOR AIR DEFLECTOR |
| *3 | NO. 1 AIR CLEANER INLET | *4 | NO. 2 PCV HOSE |
| *5 | NO. 3 WATER BY-PASS HOSE ASSEMBLY | *6 | RADIATOR COVER PLATE |
| *7 | RADIATOR SUPPORT TO CROSS MEMBER BRACE SUB-ASSEMBLY RH | *8 | THROTTLE BODY BRACKET |
| *9 | THROTTLE BODY WITH MOTOR ASSEMBLY | *10 | UPPER RADIATOR SUPPORT SEAL |
| *11 | V-BANK COVER SUB-ASSEMBLY | *12 | WATER BY-PASS HOSE |
| *13 | NO. 4 WATER BY-PASS HOSE | *14 | MOTOR CABLE |
| *15 | GENERATOR CABLE | *16 | GASKET |
| N.m (kgf/cm, ft.lbf): Specified torque | • | Non-reusable part | |
| Do not apply lubricants to the threaded parts | - | - |
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:
- • 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.
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