Sierra Denali RWD V8-6.2L (2009)
2. Install the brake master cylinder seal (1) and the master cylinder to the adapter.
Ensure the brake master cylinder seal is fully seated in the groove on the master cylinder housing.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution) .
3. Install 2 new brake master cylinder nuts (1).
Tighten the nuts to 33 Nm (24 lb ft).