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.
2005 Lexus LS 430FACTORY OEM SERVICE PROCEDURE
Torque Specification
TORQUE SPECIFICATION
| Part tightened | N.m | kgf.cm | ft.lbf |
|---|---|---|---|
| Propeller intermediate shaft at Transmission | 79 | 805 | 58 |
| Propeller shaft at Companion flange | 79 | 805 | 58 |
| Center support bearing at Body | 37 | 375 | 27 |
| Front floor heat insulator No. 1 set bolt | 5.4 | 55 | 48 in.lb |
| Oxygen sensor at Exhaust pipe | 44 | 450 | 32 |
| Rear suspension member brace at Body | 50 | 510 | 37 |
| Center floor cross member brace at Body | 7.4 | 75 | 65 in.lbf |
| Differential carrier set nut Front side | 105 | 1,065 | 77 |
| Differential carrier set nut Rear side | 142 | 1,450 | 105 |
| Drain plug | 49 | 500 | 36 |
| Filler plug | 49 | 500 | 36 |
| Breather plug | 21 | 210 | 15 |
| Companion flange at Drive pinion | 29-7 | ||
| Differential case at Ring gear | 64 | 650 | 47 |
| Differential carrier at Differential carrier cover | 47 | 475 | 35 |
| Oil deflector set bolt | 7.0 | 70 | 62 in.lbf |
| Stabilizer bar rear set bolt | 18 | 184 | 13 |
| Differential support protector set bolt | 5.4 | 55 | 48 in.lbf |
| Propeller shaft heat insulator set bolt | 5.4 | 55 | 48 in.lbf |
| Engine under cover No.2 set bolt | 5.4 | 55 | 48 in.lbf |
| Exhaust pipe assy at Exhaust manifold | 44 | 450 | 33 |
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:
- 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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