Vacuum Pump (Diesel)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1997 Ford Pickup, 1997 Ford F-Super Duty, 1997 Ford Cab & Chassis, 1996 Ford Pickup, and 1996 Ford F-Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Vacuum is supplied from a belt-driven vacuum pump. Diesel equipped vehicles use a low vacuum indicator switch. Indicator switch is located on left side of engine compartment, near vacuum pump. Indicator switch will turn on brake warning lamp when a low vacuum situation occurs.