GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Yukon XL - 4WD 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Hydraulic Brake Component Views
Figure 1:

Left Side of the Engine Compartment
Object Number: 1714226 Size: LF
(1)Windshield Wiper Motor
(2)Power Brake Booster
(3)Windshield Washer Solvent Heater (XA7)
(4)Fuse Block - Underhood
(5)Engine Control Module (ECM)
(6)Transmission Control Module (TCM) (Except MYC)
(7)Brake Booster Vacuum Sensor
(8)Brake Fluid Level Switch
Figure 2:

Park Brake Assembly
Object Number: 1860661 Size: LF
(1)Park Brake Release
(2)Park Brake Switch
(3)Dash Panel
(4)Park Brake Lever