Inspection Procedure 16: The initial check sound of hydraulic unit is loud.
caution
When installing brake tube, match the axial center of flare nut and brake tube with the center of hole at the hydraulic unit side, and check that the fluid does not leak.
COMMENT ON TROUBLE SYMPTOM
The operation sound may be decreased by reducing the load at the rubber mount portion of the brake tube and hydraulic unit.
PROBABLE CAUSES
Improper installation of the hydraulic unit
Improper installation of the brake tube
DIAGNOSIS
1. When vehicle speed reaches 10 km/h (6 mph) , check the operating sound volume and compare it with that of the same model.
OK: The operating sound is the same volume or less by comparing with that of the same model.
If the operating noise is large, carry out adjustment for hydraulic unit installation. (Refer to ).
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