SRAM level ultimate Service Manual page 12

8
Use a pick to remove the piston seals from each piston bore.
Do not scratch the seal gland with the pick. Scratches could cause fluid
to leak when the brake is applied, which will contaminate the brake
pads and could lead to a brake failure.
9 Spray isopropyl alcohol inside each piston bore, the inside and the
outside of the caliper, and all of the removed parts and clean them with
a shop towel.
If the system has been contaminated with mineral oil or DOT 5 fluid,
flush all of the parts with soapy water, rinse them with clean water, then
allow all of the parts to dry prior to rebuilding. Install all new seals and a
new brake hose.
For the best braking performance, use only SRAM DOT 5.1 fluid. If SRAM
fluid is not available, use only DOT 5.1 fluid or 4 fluid.
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NOTI CE
Pick
Caliper Piston Removal 12