GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Impala 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Hydraulic Brake Component Views
Figure 1:

Left Rear of Engine Compartment
Object Number: 1676527 Size: LF
(1)Brake Booster Vacuum Sensor (LZ8/LS4)
(2)Brake Booster
(3)Brake Fluid Level Switch
Figure 2:

Pedal Assemblies
Object Number: 1700245 Size: LF
(1)Park Brake Switch
(2)Dash Panel
(3)Brake Pedal Position Sensor
(4)Accelerator Pedal Position (APP) Sensor