Sierra 1500 2WD V8-5.3L Hybrid (2004)
3. Important:
Install a rubber cap or plug to the exposed brake pipe fitting ends in order to prevent brake fluid loss and contamination.
Disconnect the brake pipes from the master cylinder.
4. Plug the open brake pipe ends.
5. Remove the master cylinder mounting nuts.
6. Remove the master cylinder from the vehicle.
7. Remove the master cylinder reservoir.
Installation Procedure
1. Install the master cylinder reservoir.
2. Bench bleed the master cylinder.
3. Install the master cylinder to the vehicle.
4. Notice:
Refer to Fastener Notice in Service Precautions.
Install the master cylinder mounting nuts.
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Tighten the nuts to 33 Nm (24 ft. lbs.).
5. Remove the rubber cap or plug from the exposed brake pipe fitting ends.
6. Connect the brake pipes.
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Tighten the pipe fittings to 25 Nm (18 ft. lbs.).
7. Connect the electrical connector to the brake fluid level sensor.
8. Bleed the hydraulic brake system.
