Checking Brake Line

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.

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

Check brake line (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: Checking Brake Fluid Lines And Parking Brake Cables
Courtesy of NISSAN MOTOR CO., U.S.A.