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.
2004 Scion xB AutomaticFACTORY OEM SERVICE PROCEDURE
Service Data
SERVICE DATA SPECIFICATIONS
| Brake Pedal Height (From Asphalt Sheet) | 124.5 - 134.5 mm (4.902 - 5.293 in.) | |
| Brake Pedal Free Play | 1 - 6 mm (0.04 - 0.24 in.) | |
| Stop Light Switch Clearance | 0.5 - 2.4 mm (0.020 - 0.094 in.) | |
| Pedal Reserve Distance From Asphalt Sheet At 490 N (50 kgf, 110 lbf) | More than 55 mm (2.17 in.) | |
| Brake Booster Push Rod To Piston Clearance (w/SST) | 0 mm (0 in.) | |
| Front Brake Pad Thickness | ||
| Standard | 11.0 mm (0.433 in.) | |
| Minimum | 1.0 mm (0.039 in.) | |
| Front Brake Disc Thickness | ||
| Standard | 22.0 mm (0.866 in.) | |
| Minimum | 20.0 mm (0.787 in.) | |
| Front Brake Disc Runout | Maximum 0.05 mm (0.0020 in.) | |
| Rear Brake Drum Inside Diameter | ||
| Standard | 200.0 mm (7.874 in.) | |
| Maximum | 201.0 mm (7.913 in.) | |
| Rear Drum Brake Shoe Lining Thickness | ||
| Standard | 4.0 mm (0.157 in.) | |
| Minimum | 1.0 mm (0.039 in.) | |
| Rear Brake Pad Thickness | ||
| Standard | 10.0 mm (0.394 in.) | |
| Minimum | 1.0 mm (0.039 in.) | |
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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