25
brake bleed procedure
b R A k E b l E E d p R o C E d u R E
Avid brakes are the most powerful and precise hydraulic brakes on the market. A key reason behind this is the ability to optimize brake
performance with a perfect bleed. The goal of bleeding is to remove any air that is trapped in the hose, caliper, or lever. Air trapped
in a hydraulic brake system degrades the performance of the brake. The following instructions will walk you through our simple bleed
procedure.
Avid brakes come with hoses attached and bled. if you don’t need to change the hose length, you do not need to bleed the system
prior to installation.
Supplemental video instruction is available at www.sram.com/en/service.
S A F E T y i N S T R u C T i o N S
•
Always wear safety glasses and nitrile gloves when working with DOT fluid.
•
Place an oil pan on the floor underneath the area where you will be working on the brake.
•
Used DOT fluid should be recycled or disposed of in accordance to local and federal regulations.
•
Never pour DOT fluid down a sewage or drainage system or into the ground or a body of water.
•
DOT fluids will damage painted surfaces. If any fluid comes in contact with a painted surface (i.e. your frame) or printing on the
brakes, wipe it off immediately and clean with isopropyl alcohol or water. Removal of paint and/or printing by DOT fluid is not
covered under warranty.
•
Do not allow any brake fluid to come in contact with the brake pads. If this occurs, the pads are contaminated and must be replaced.
•
Do not re-use fluid.
•
Do not leave the hose clamps closed, this will damage the clear tubing on the syringes.
•
For best results, use only Avid High-Performance 5.1 DOT Fluid. If Avid fluid is not available, only use DOT 5.1 or 4 fluid.
do not use mineral oil or doT 5 fluid
.
p A R T S A N d T o o l S N E E d E d F o R S E R v i C E :
•
Safety glasses
•
Nitrile gloves
•
Isopropyl alcohol
•
Clean, lint-free rag
•
Avid High-Performance 5.1 DOT Fluid or DOT 4 Fluid
•
Avid Bleed Kit or Avid Professional Bleed Kit
•
Avid Bleed Block
•
T10 TORX®
•
2.5 and 4 mm hex wrenches
•
Pick
Avid bleed kit Contents
Avid
High-Performance
DOT Fluid
TORX
Hose barbs
Compression fittings
Syringes
Bleed Block
(actual bleed block
may differ)
