Vacuum Parking Brake Release
- Visually check operation of brake linkage as pedal is depressed and when manual release lever is activated.CAUTION: Air pressure should never be applied to vacuum system as diaphragm in vacuum motor may be damaged.
- Ensure a minimum of 10 in. Hg. is available at all points where vacuum is applied. Start engine and let idle. Place transmission in "D" and observe that lever moves upward and parking brake releases. If it does not release, check for proper vacuum in system and replace components as necessary.