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 500 Base, AWDFACTORY OEM SERVICE PROCEDURE
Components [12/2017 - ]
| *A | for 2WD | - | - |
| *1 | CRANKSHAFT POSITION SENSOR | *2 | NO. 2 ENGINE UNDER COVER ASSEMBLY |
| *3 | TRANSMISSION UNDER COVER | *4 | O-RING |
| Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N.m (kgf/cm, ft.lbf) | N.m (kgf/cm, ft.lbf): Specified torque | ||
| • | Non-reusable part | * | Precoated part |
| Engine oil | - | - |
| *A | for AWD | - | - |
| *1 | CRANKSHAFT POSITION SENSOR | *2 | FRONT ENGINE MOUNTING INSULATOR |
| *3 | FRONT FRAME ASSEMBLY | *4 | FRONT NO. 1 ENGINE MOUNTING BRACKET LH |
| *5 | NO. 2 MANIFOLD STAY | *6 | O-RING |
| Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N.m (kgf/cm, ft.lbf) | N.m (kgf/cm, ft.lbf): Specified torque | ||
| • | Non-reusable part | Engine oil |
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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