Altima V6-3.5L (VQ35) (2003)
CAUTION: If leakage occurs around hose and tube connections, retighten or, if necessary, replace damaged parts.
1. Check brake lines (tubes and hoses) for leaks, cracks, distortion, deformation, without interfering with other parts or loosening connecting parts,
deterioration or other damage. Replace any damaged parts.
2. Apply a stepping force of 784 N (80 kgf, 176 lbs.) to the brake pedal with the engine running and keep it for about 5 seconds, then check each part
for leaks.