Checking Brake Line

CAUTION: If leakage occurs around joints, retighten or, if necessary, replace damaged parts.

Check brake lines (tubes and hoses) for cracks, deterioration or other damage. Replace any damaged parts.
Check for oil leakage by fully depressing brake pedal while engine is running.

Fig 1: Inspecting Cracks And Oil Leakage Of Brake Lines
Courtesy of NISSAN MOTOR CO., U.S.A.