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 SC 430FACTORY OEM SERVICE PROCEDURE
Torque Specification
Torque Specification Table - Brake
| Part Tightened | N.m | kgf.cm | ft.lbf | |
|---|---|---|---|---|
| Bleeder plug | 8.3 | 85 | 74 in..lbf | |
| Brake booster clevis lock nut | 26 | 265 | 19 | |
| Brake pedal shaft nut | 37 | 375 | 27 | |
| Brake booster pump x Brake booster accumulator | 54 | 550 | 36 | |
| Brake master cylinder x Brake booster pump bracket No. 2 | 7.8 | 80 | 69 in..lbf | |
| Brake booster pump x Brake booster pump bracket No. 1 | 7.8 | 80 | 69 in..lbf | |
| Brake booster pump x Brake booster pump bracket No. 3 | 12 | 122 | 8.9 | |
| Brake booster pump x Brake booster pump bracket | 12 | 122 | 8.9 | |
| Brake booster pump x Brake control wire | 2.9 | 30 | 26 in..lbf | |
| Brake master cylinder x Brake control wire | 1.7 | 17.5 | 15 in..lbf | |
| Brake master cylinder x Brake master cylinder union No. 1 | 32 | 326 | 23 | |
| Brake master cylinder x Brake master cylinder union No. 2 | 32 | 326 | 23 | |
| Brake union nut | without SST | 15 | 155 | 11 |
| with SST | 14 | 143 | 10 | |
| Brake master cylinder x Brake actuator bracket No. 1 | 8.5 | 87 | 75 in..lbf | |
| Brake master cylinder x Brake actuator bracket No. 3 | 7.8 | 80 | 69 in..lbf | |
| Brake master cylinder x Master cylinder reservoir | 1.7 | 17.5 | 15 in..lbf | |
| Body x Brake line | 4.9 | 50 | 43 in..lbf | |
| Front disc brake cylinder mounting LH x Steering knuckle | 118 | 1,200 | 87 | |
| Front disc brake cylinder x Front disc brake cylinder mounting | 34 | 350 | 25 | |
| Flexible hose x Front disc brake cylinder | 30 | 310 | 22 | |
| Disc brake cylinder assy rear LH x Axle hub | 104 | 1,065 | 77 | |
| Flexible hose x Disc brake cylinder assy rear LH | 30 | 310 | 22 | |
| Front speed sensor x Steering knuckle | 8.0 | 82 | 71 in..lbf | |
| Front sensor harness clamp | 5.0 | 51 | 44 in..lbf | |
| Rear speed sensor x Axle hub | 8.0 | 82 | 71 in..lbf | |
| Rear speed sensor harness clamp | 5.0 | 51 | 44 in..lbf | |
| Yaw rate sensor x Body | 13 | 130 | 9 | |
| Skid control ECU assy set bolt | 5.0 | 51 | 44 in..lbf | |
| Steering wheel assy x Horn button assy | 8.8 | 90 | 78 in..lbf | |
| Steering wheel assy set nut | 50 | 510 | 37 | |
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.
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