How-To: Service and Bleed SRAM Brakes with Bleeding Edge Technology

This video will guide you through the process of bleeding SRAM MTB brakes with Bleeding Edge Technology.

Brake models this service video addresses

  • Code R
  • Code RSC
  • Guide Ultimate
  • Guide RSC
  • Guide RS
  • Guide R
  • Level Ultimate
  • Level TLM

Tools and supplies need for this brake service

  • Hex Wrench: 2.5 mm
  • Hex Bit Sockets: 2.5, 4 mm
  • TORX® Wreches: T8, T10
  • TORX® Bit Sockets: T10
  • Torque Wrench Wrenches: 8, 10 mm
  • Safety Glasses
  • Nitrile Gloves
  • SRAM Brake Bleed Kit

If your brakes feel sticky and exhibit slow brake pad return and/or excessive brake lever throw, it may be a result of the pistons sticking in the caliper. Before bleeding the system, you can try to loosen the sticky piston by performing the following steps:

  1. Clamp the bicycle into a bicycle work stand.
  2. Remove the wheel from the affected caliper.
  3. Squeeze the brake lever several times until the brake pads nearly contact one another.
  4. Insert the pad spreader between the brake pads to spread the pads to the full width of the pad spreader.
  5. Remove the pad spreader.
  6. Repeat steps 3-5.
  7. Reinstall the wheel.
  8. Squeeze the brake lever several times to position the brake pads to the proper distance from the rotor.
  9. Center the caliper on the rotor if necessary.
  10. Spin the wheel and check the brake function. The pistons should move freely and there should not be excessive brake lever throw. If there is no improvement in the brake function, proceed to the service manual for your caliper.

Warning

  • Do not use mineral oil. Use only DOT 4 or DOT 5.1 fluids with SRAM® hydraulic brakes. Do not use any other fluid, it will damage the system and make the brakes unsafe to use, which could lead to serious injury and/ or death.
  • DOT fluids will damage painted surfaces. If any fluid comes in contact with a painted surface, wipe it off immediately and clean with water.
  • Used DOT fluid must be recycled or disposed of in accordance to local and federal regulations.
  • Never pour used DOT fluid down a sewage or drainage system or into the ground or body of water.
  • Use only DOT Compatible grease.
Credit: SRAM MTB
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