The vacuum pump of the Cordoba cracks, and the loss of vacuum degrades not only the brake servo but the operation of the ABS too. The symptom is a harder brake pedal and a longer stopping distance.
What to check
- With the engine off press the pedal several times, then start it: the pedal should sink
- While driving watch whether braking needs unusually high effort
- Look at the pump body and the vacuum hose: cracks, oil traces