Yukon XL 4WD V8-5.3L (2011)
Power Steering Line/Hose: Service and Repair
Power Brake Booster Inlet Hose Replacement
Power Brake Booster Inlet Hose Replacement
Removal Procedure
1. Remove the engine shield. Refer to Engine Shield Replacement See: Body and Frame/Frame/Skid Plate/Service and Repair/Engine Shield
Replacement.
2. Place drain pans under the vehicle as needed.
3. Remove as much power steering fluid from the power steering fluid reservoir as possible.
Caution: Refer to Power Steering Hose Disconnected Caution See: Service Precautions.
4. Disconnect the power brake booster inlet hose from the power steering pump (3).
5. Disconnect the power brake booster inlet hose (1) from the power brake booster (2).
6. Remove the power brake booster inlet hose (1) from the vehicle.
Installation Procedure
Caution: The inlet and outlet hoses must not be twisted during installation. Do not bend or distort the inlet or outlet hoses to make installation
easier. Failure to follow these procedures could result in component damage.
1. Install the power brake booster inlet hose (1) to the vehicle.
Caution: Refer to Fastener Caution See: Service Precautions/Vehicle Damage Warnings/Fastener Caution.
Note: Start both power brake booster inlet hose fittings by hand before finalizing torques.
2. Connect the power brake booster inlet hose (1) to the power brake booster (2).
Tighten the fitting to 32 Nm (24 lb ft).
3. Connect the power brake booster inlet hose (1) to the power steering pump (3).
Tighten the fitting to 32 Nm (24 lb ft).
4. Clean any excess fluid from the vehicle and remove the drain pans.
5. Install the engine shield. Refer to Engine Shield Replacement See: Body and Frame/Frame/Skid Plate/Service and Repair/Engine Shield
