Vacuum Lines

Removal and Installation

BR-19 Component:

CAUTION:

^ Because vacuum hose contains a check valve, it must be installed in the correct position. Refer to the stamp to confirm correct installation. Brake booster will not operate normally if the hose is installed in the wrong direction.
^ Insert vacuum hose at least 24 mm (0.94 in).
^ Do not use lubricating oil during assembly.

Inspection

VISUAL INSPECTION
Check for correct assembly, damage and deterioration.

CHECK VALVE INSPECTION

Airtightness Inspection





Use a handy vacuum pump to check.
When connected to the booster side (1):
Vacuum should decrease within 1.3 kPa (10 mmHg, 0.39 inHg) for 15 seconds under a vacuum of -66.7 kPa (-500 mmHg, -19.69 inHg).
When connected to the engine side (2):
Vacuum should not exist.
^ Replace vacuum hose assembly if vacuum hose and check valve are malfunctioning.