BRAKE BOOSTER — On-vehicle Service / Removal
BR-12prose procedureOn-vehicle Service
OPERATING CHECK
- 1Depress brake pedal several times with engine off, and check that there is no change in pedal stroke.
SBR002A - 2Depress brake pedal, then start engine. If pedal goes down slightly, operation is normal.
AIRTIGHT CHECK
- 1Start engine, and stop it after one or two minutes. Depress brake pedal several times slowly. If pedal goes further down the first time and gradually rises after second or third time, booster is airtight.
SBR365A - 2Depress brake pedal while engine is running, and stop engine with pedal depressed. If there is no change in pedal stroke after holding pedal down 30 seconds, brake booster is airtight.
Removal
| Specification | Value |
|---|---|
| Booster-to-bulkhead nuts | 13 - 16N·m (1.3 - 1.6 kg·m, 9 - 12 ft·lb) |
| Clevis pin nut (pedal side) | 11 - 17N·m (1.1 - 1.7 kg·m, 8.0 - 12.5 ft·lb) |
Booster-to-bulkhead nuts
13 - 16N·m (1.3 - 1.6 kg·m, 9 - 12 ft·lb)
Clevis pin nut (pedal side)
11 - 17N·m (1.1 - 1.7 kg·m, 8.0 - 12.5 ft·lb)
CAUTION
• Be careful not to splash brake fluid on painted areas; it may cause paint damage. If brake fluid is splashed on painted areas, wash it away with water immediately.
• Be careful not to deform or bend brake pipes, during removal of booster.
• Pay attention to brake booster mounting bolt thread when installing. Due to the acute angle of installation, the threads can be damaged on the metal surrounding the bulkhead holes.