SRAM GUIDE RSC 2015 Service Manual page 9

Pour the fluid from the brake lever body into a pan.
4
5 Separate the bladder from the reservoir cover.
Spray isopropyl alcohol on the bladder and the reservoir cover and
clean them with a rag.
All components must be completely dry before reinstalling them.
Moisture residue from cleaning the bladder can leak out of the
bladder as it dries, which can be misinterpreted as a system leak,
when it is not.
6 Use a T10 TORX® wrench to remove the lever pivot bolts.
Remove the lever blade.
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N O T I C E
T10 TORX wrench
Lever Blade Removal 9