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    Can you trust your brakes when it counts?

    High Performance Brakes

     

    How do I know if my brakes need checking?

    If you hear a grinding noise when applying the brakes.
    If your car pulls to the left or right when braking.
    If you brake pedal feels “spongy”.
    if it takes longer to stop or slow down than expected
    If your brake warning light is on.

     

    When should I check my brakes / braking system?

    Brake fluid should be changed approx every 12 to 24 months.
    Why? Because brake fluid is hydroscopic, which means it absorbs water. This deteriorates the fluid, lowering the boiling point of the fluid which will cause a lower braking efficiency. This water will also cause corrosion and premature wear to internal brake components.

    Total Car Care… That’s Jensen’s Resolve –Keeping you safe and your car servicing costs affordable. Click Now to Find out How!

    So why do brakes and supporting systems need to be checked so often?

    The brake disc is the component of a disc brake against which the brake pads are applied. The material is typically a form of cast iron. The design of the disc varies somewhat. Some are simply solid, but others are hollowed out with fins or vanes joining together the disc’s two contact surfaces (usually included as part of a casting process). The weight and power of the vehicle determines the need for ventilated discs. The “ventilated” disc design helps to dissipate the generated heat and is commonly used on the more-heavily-loaded front discs.

    Many higher-performance brakes have holes drilled through them. This is known as cross-drilling and was originally done in the 1960s on racing cars. For heat dissipation purposes, cross drilling is still used on some braking components for high performance road cars.

    Discs may also be slotted, where shallow channels are machined into the disc to aid in removing dust and gas. Slotting is the preferred method nowadays in most high performance vehicles as they are better at removing gas, dust and water and to de-glaze brake pads. Some discs are both drilled and slotted. Slotted discs are generally not used on standard vehicles because they quickly wear down brake pads; however, this removal of material is beneficial to high performance vehicles since it keeps the pads soft and avoids “glazing” of their surfaces which drastically reduces effectiveness of the whole braking system..Skimming brake disc (rotor)

    On the road, drilled or slotted discs still have a positive effect in wet conditions because the holes or slots prevent a film of water building up between the disc and the pads. Cross-drilled discs may eventually crack at the holes due to metal fatigue. Cross-drilled brakes that are manufactured poorly or subjected to high stresses will crack much sooner and more severely. Which is why we always recommend top quality products – they may cost a little more however the performance is predictable and much safer.

    As the brake disc (or rotor) wears down groves can tart to develop which reduces the surface area the brake shoes can act upon, this reduces effectiveness and increases heat which speeds up deterioration of the pads and contributes to glazing of the disc surface.

    At Jensen Automotive we can “skim” the brake disc to keep the surface smooth and free from glazing. It must be remembered however that the disc must not be reduced in thickness to much or warping and failure of the system will occur. In this case replacement of the discs are the only option.

    Brake discs / pads are always replaced in pairs ie both front wheels or both back wheels are changed at the same time to ensure even braking.

    Why not give us a call to check your brakes today, you never know it could be a life saver!

    Total Car Care… That’s Jensen’s Resolve –Keeping you safe and your car servicing costs affordable. Click Now to Find out How!