If a master cylinder is leaking replace it. The cylinder is usually mounted on the bulkhead Separating the engine and car interior. It may be fitted with a vacuum servo unit. The master cylinder is normally connected to the brake pedal by a pushrod. On some cars, particularly those originally designed for left-hand drive, It may be positioned on the near side of the engine compartment and Linked to the pedal by a cross rod. A leaking or faulty servo unit should also be replaced. It may be faulty if the brake pedal is hard to push down, And all other brake faults have been eliminated Before replacing it, check the condition of the air filter, Which may be causing … Continue reading Replacing a master cylinder and servo unit