pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Parking Brake Switch <--> [Vacuum Vent Valve, Cruise Control]|Locations|Page 8841 > < Parking Brake Switch <--> [Vacuum Vent Valve, Cruise Control]|Locations
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Parking Brake Switch: Description and Operation

DESCRIPTION

The vacuum release valve provides an additional vent to atmosphere for the servo unit when the brake pedal is held in the depressed position. The
venting is spring actuated and occurs within the free travel of the brake pedal arm.

Parking Brake Switch <--> [Vacuum Vent Valve, Cruise Control]|Locations|Page 8841 > < Parking Brake Switch <--> [Vacuum Vent Valve, Cruise Control]|Locations