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.
2008 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
Torque Specifications
BRAKE - TORQUE SPECIFICATIONS
| Part tightened | N*m | kgf*cm | ft.*lbf |
|---|---|---|---|
| Bleeder plug | 11 | 110 | 8 |
| 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 No. 2 brake booster pump bracket | 7.8 | 80 | 69 in.*lbf |
| Brake booster pump x No. 1 brake booster pump bracket | 7.8 | 80 | 69 in.*lbf |
| Brake booster pump x Brake booster pump bracket | 12 | 122 | 8.9 |
| Brake booster pump x No. 3 bake 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 No. 1 brake master cylinder union | 32 | 326 | 23 |
| Brake master cylinder x No. 2 brake master cylinder union | 32 | 326 | 23 |
| Brake tube flare nut (without SST) | 15 | 155 | 11 |
| Brake tube flare nut (with SST) | 14 | 143 | 10 |
| Brake master cylinder x No. 1 brake actuator bracket | 8.5 | 87 | 75 in.*lbf |
| Brake master cylinder x No. 3 brake actuator bracket | 7.8 | 80 | 69 in.*lbf |
| Brake master cylinder x Master cylinder reservoir | 1.7 | 17.5 | 15 in.*lbf |
| Brake master cylinder x Body | 15 | 155 | 11 |
| Body x Brake line | 4.9 | 50 | 43 in.*lbf |
| Front disc brake cylinder mounting x Steering knuckle | 118 | 1,200 | 87 |
| Front disc brake cylinder x Front disc brake cylinder mounting | 34 | 350 | 25 |
| Flexible hose at Front disc brake cylinder | 30 | 310 | 22 |
| Rear disc brake cylinder assembly x Axle hub | 104 | 1,065 | 77 |
| Flexible hose x Rear disc brake cylinder assembly | 30 | 310 | 22 |
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.