Master brake cylinder for the Bus

Master brake cylinder / Components

The safe stop for your VW Bus T2 – Master brake cylinder & components for reliable braking power on every classic car trip

An intact brake circuit and precisely fitting components are the alpha and omega for the safety and value-preserving driving fun of your classic car – and should be in focus both during careful restoration and routine checking. Depending on the year of manufacture and braking system, different components can be used. In addition to regular checks of the master brake cylinder, brake fluid reservoir & co., a complete renewal of the seals, lines, or brake light switch may also be due every few years. Then nothing stands in the way of a safe tour in the historic Bulli. We reveal why the topic of master brake cylinder and components concerns every classic car owner, what steps must be observed during installation, and which parts are needed for the various model years. Furthermore, we specifically address tandem master brake cylinders and important fastening materials.

Why is the master brake cylinder an important step for braking safety?

Maintenance and tightness form the basis of the reliable classic car brake – only when the master brake cylinder builds up full pressure can the subsequent deceleration work optimally or the pedal feel be properly dosed. It is not enough to remove external dirt with warm water. While this removes superficial residues, internal wear, porous seals, or outdated brake fluid persist stubbornly – for the latter, you should also rely on complete bleeding and fresh brake fluid. These components are renewed using special tools, collection containers & co.

When should I check the master brake cylinder and components?

Before every classic car season & after long periods of standstill! During the inspection at the start of the season, the dangers of winter are removed: aged rubbers, declining pressure point, and creeping fluid loss. In the evening in the workshop, deposits, dirt, and the year's corrosion disappear into the waste oil container or cleaning cloth instead of blocking the brake system.

How does the replacement of master brake cylinder and components work?

These four belong to the basic equipment:

• the new master brake cylinder and matching components of your choice
• a clean cloth and brake cleaner
• fresh brake fluid (DOT 4)
• bleeding hose and collection bottle

For most work on the brake system, a clean, lint-free cloth is recommended as a basis for installation. Make sure that no brake fluid gets onto the paint, as this damages the paint immediately. Position the master brake cylinder stress-free and carefully connect the lines with the matching threads. Dry your hands gently with a towel that you use only for fine workshop work. Then you can bleed the system thoroughly. Please note that you carry out work on the brake system only with absolute care and technical know-how – otherwise, road safety is acutely endangered. After replacement, a thorough pressure test while stationary as well as a careful test drive on secured terrain is recommended.

Which master brake cylinder suits me?

Actually, asking a counter-question is impolite. But in order to choose the right master brake cylinder or matching components for brake repair, we would like to know from you: Which year of manufacture would you assign your VW Bus T2 to? Do you have an early model with a single-circuit braking system or already a late T2 with a safe dual-circuit system? Because for every model year, there is a suitable version.

• Early T2 models (single-circuit brake): For these classics, the original single-circuit master brake cylinder is the correct choice. It ensures original-like function in the sense of factory condition.
• Late T2 models (dual-circuit brake / tandem master brake cylinder): From model year 1970 onwards, the legislator prescribes separate brake circuits. A tandem master brake cylinder offers maximum safety here through redundant brake circuits.
• Components & accessories: Whether fork joints, brake light switches, expansion tanks, or retaining clips – at Hoffmann Speedster you will find all small parts for professional and safe installation.