BRAKE BOOSTER — Removal and Installation, Inspection
BR-8prose procedureRemoval and Installation
| Specification | Value |
|---|---|
| Booster mounting nuts (×4)Two values shown — both 8–11 N·m. | 8 - 11N·m |
Booster mounting nuts (×4)Two values shown — both 8–11 N·m.
8 - 11N·m
Inspection
OPERATING CHECK
Depress brake pedal several times with engine off, and check that there is no change in pedal stroke.
Depress brake pedal, then start engine. If pedal goes down slightly, operation is normal.
AIRTIGHT CHECK
Start 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.
Depress 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.
Output rod length check
- 1Supply brake booster with vacuum of -66.7 kPa (-667 mbar, -500 mmHg, -19.69 inHg) using a handy vacuum pump.
SBR281A - 2Check output rod length.
| Specification | Value |
|---|---|
| Vacuum applied during checkStep 1. | -66.7kPa (-667 mbar, -500 mmHg, -19.69 inHg) |
| Specified output rod lengthStep 2. | 10.275 - 10.525mm (0.4045 - 0.4144 in) |
Vacuum applied during checkStep 1.
-66.7kPa (-667 mbar, -500 mmHg, -19.69 inHg)
Specified output rod lengthStep 2.
10.275 - 10.525mm (0.4045 - 0.4144 in)