Sierra Classic 2500 4WD V8-6.0L (2007)
Vacuum Pump: Service and Repair
Power Brake Booster Pump Replacement
Removal Procedure
1. Remove the vacuum hose from the pump.
2. Disconnect the electrical connector.
3. Remove the pump nuts.
4. Remove the pump from the booster by pulling the inlet tube out of the grommet.
Installation Procedure
1. Install the pump to the booster by pushing the inlet tube into the grommet and aligning the studs to the holes.
2. Notice: Refer to Fastener Notice in Service Precautions.
Install the pump nuts.
Tighten the nuts to 18 Nm (13 ft. lbs.).
3. Connect the electrical connector.
4. Install the vacuum hose to the pump.
