How to replace brakes on a Tesla model S
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How to replace the brake discs and pads on a Tesla Model S

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Braking How to Technicians 1 min read

Resource Highlights

Brake disc and pad replacement is an essential part of vehicle maintenance, even in an electric vehicle where regenerative braking means the friction components aren’t in use quite as much.

Get some tips on replacing the brake discs and pads on a Tesla Model S with our experts at Delphi. Watch the video to find out:

• What tools and equipment you’ll need
• How to deal with brake discs fused to the hub
• How to safely mount the brake calliper during the replacement process

Why do I need to clean the hub?

The hub should be cleaned to remove the worst of the dirt and debris from around the centre of the hub. Simply replacing the brake discs means they may not sit properly on the hub which will lead to excessing runout.

How can I make hub removal simpler for next time?

Apply high-temperature grease around the centre of the hub. This should help to prevent the brake disc from fusing to the hub next time a replacement is needed.

Does the Model S need a brake shim kit?

When fitted to the back of the brake pad, the brake shim kit helps reduce noise. Delphi’s specialist EV brake shim kits make it simpler to bed in the new brake discs and pads.

Why do a runout check of the hub?

If the customer has mentioned any vibration during braking, we’d recommend a runout check of the hub (prior to fitting a new brake disc). The hub running off-centre can cause vibrations from the brake pedal all the way up to steering, which can be a serious issue.
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    Braking Caliper slider kits

    Delphi Caliper Slider Kits

    Whilst it’s unlikely you’ll ever need to replace the entire caliper, they can seize over time. When this happens, the caliper will not be able to fully retract the brake pad from the disc, creating friction even when the brakes are not applied. This can cause many problems including brake drag, brake overheat and hot spots on the brake discs, so it goes without saying that you’ll want to look after them. With a little bit of TLC you can help ensure the caliper lasts the life of the vehicle, as well as prevent potentially irreparable damage to both the pads and discs. Cue Delphi’s caliper slider kits. Available for both right and left calipers, each kit includes new sliders, seals, slider lubricating grease and mounting bolts… everything you need for a professional and efficient caliper service.
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