1. Inspect the brake hoses and make sure there are no mechanical damages, signs of wear, brake fluid leakage, and they should not touch other parts and should not be twisted.
2. Inspect the brake pipes and make sure there is no mechanical damage, corrosion or brake fluid leakage. The brake lines must also not be bent.
3. Check that the hose and pipe connections are not leaking and tighten the connections if necessary.
4. Check and make sure that there are no signs of mechanical damage to the main brake cylinder and signs of leakage of brake fluid from the modulator of the ABS or VSA unit.