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As of 1982, all 2CV’s were built with disc brakes at the front. For the Dyane, this was already the case since 1978. Disc brakes have several advantages over drum brakes:
· They are simpler in maintenance, because they are accessible with the drive shafts still in place.
· No intermediate adjustments are required.
· The deceleration rate is higher and thus the braking distance shorter.
· Brake cooling is better, which means, that they are better equipped for prolonged usage in for example mountainous areas.
· Apart from being better brakes, you also have the assurance that the attached gearbox is of a more recent date
Brakes are a very vital part of any car. It is thus highly recommended to at least replace the brake shoes and – pads with new ones when building a Burton. The best approach is to rebuild the complete brake system, which may avoid the sometimes-difficult repairs in the near future, while at the same time it provides the required security.
Look for blocked brakes. To some extent, blocked callipers can be made operational again, but when they are seriously rusted, you will have to replace the relevant parts. Both callipers and cylinders are rather expensive.
Also, be aware that the discs are not allowed to be bent. You will find out soon enough because the car will vibrate vigorously when braking with bent discs.
Minimum thickness of the discs has to be 4 millimetres.
A banging noise and vibration while braking is likely to be caused by oval brake drums. The bent discs or oval drums will have to be replaced. Rusted discs may be reworked as long as the minimum thickness requirements are adhered to. All the components for the brake system, like master cylinders, tubing, callipers, discs, cylinders and of course, brake shoes and – pads are newly available. Many people choose to renew the whole braking system completely. |
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