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 LS 460LFACTORY OEM SERVICE PROCEDURE
Service Data
Brake Pedal
SERVICE DATA
| Brake pedal height from tibia pad BR-21 |
144.2 to 154.2 mm (5.68 to 6.07 in.) |
| Stop light switch protrusion BR-21 |
1.5 to 2.6 mm (0.059 to 0.102 in.) |
| Brake pedal free play BR-22 |
1.0 to 2.0 mm (0.0394 to 0.0787 in.) |
| Brake pedal reserve distance from tibia pad < Depressing force: 200 N (20 kgf, 45.0 lbf) > BR-22 |
More than 95 mm (3.74 in.) |
Brake Master Cylinder
TORQUE SPECIFICATIONS
| Item | Tester Connection | Condition | Specified Condition |
|---|---|---|---|
| Brake fluid level warning switch BR-34 |
1 - 2 | Float up (Switch OFF) | 1.84 to 2.16 kΩ |
| Float down (Switch ON) | Below 1 Ω |
TORQUE SPECIFICATIONS
| Master cylinder push rod clevis length BR-41 |
122.1 to 123.1 mm (4.807 to 4.846 in.) |
| Hose clip position from the reservoir connector BR-43 |
4.0 to 7.0 mm (0.158 to 0.276 in.) |
Front Brake
TORQUE SPECIFICATIONS
| Pad lining thickness BR-53 |
Standard | 13.5 mm (0.532 in.) |
| Minimum | 1.0 mm (0.0394 in.) | |
| Disc thickness BR-54 |
Standard (13.14 inch disc) | 30.0 mm (1.181 in.) |
| Standard (14.06 inch disc) | 34.0 mm (1.339 in.) | |
| Minimum (13.14 inch disc) | 27.0 mm (1.063 in.) | |
| Minimum (14.06 inch disc) | 31.0 mm (1.221 in.) | |
| Disc runout BR-54 |
Maximum | 0.04 mm (0.0016 in.) |
Front Disc Identification
TORQUE SPECIFICATIONS
| Item | Identification mark |
|---|---|
| LH BR-56 |
L |
| RH BR-56 |
R |
Rear Brake
TORQUE SPECIFICATIONS
| Pad lining thickness BR-68 |
Standard | 13.5 mm (0.532 in.) |
| Minimum | 1.0 mm (0.0394 in.) | |
| Disc thickness BR-68 |
Standard (12.40 inch disc) | 20.0 mm (0.787 in.) |
| Standard (13.19 inch disc) | 22.0 mm (0.866 in.) | |
| Minimum (12.40 inch disc) | 18.0 mm (0.709 in.) | |
| Minimum (13.19 inch disc) | 20.0 mm (0.887 in.) | |
| Disc runout BR-69 |
Maximum | 0.04 mm (0.0016 in.) |
Rear Disc Identification
TORQUE SPECIFICATIONS
| Item | Identification mark |
|---|---|
| LH BR-71 |
L |
| RH BR-71 |
R |
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:
- • 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.