Vacuum Lines

VACUUM LINES

Removal and Installation

Exploded View BR-20:

1. Disconnect vacuum hose from hose clip.
2. Release clamps and disconnect vacuum hose.
3. Remove check valve from brake booster.
4. Installation is in the reverse order of removal.





CAUTION:
^ Insert vacuum hose for at least 24 mm (0.94 in).
^ Do not use lubricating oil during assembly.

Inspection
VISUAL INSPECTION
Check for improper assembly, damage and deterioration.

CHECK VALVE INSPECTION
Airtightness Inspection





Use a suitable vacuum pump to check. Connect to brake booster side of check valve.
Check valve specification: Vacuum decrease should be within 1.3 kPa (10 mmHg, 0.39 inHg) for 15 seconds under a vacuum of -66.7 kPa (-500 mmHg, -19.69 inHg)