I knew something was wrong when we purchased our Safari judging from the pile of wires connected to a loose vacuum motor sitting on the floor under the dashboard. Already on my DIY list as a result of my inspection, I figured this was some previous owners attempt to restore the system.
The ability to redirect air in the system is controlled by vacuum valves. The vacuum pump establishes a vacuum in a spherical shaped reservoir, and the vacuum is directed to various valves based on the setting of one of the HVAC knobs to the right of the steering wheel.
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| Dashboard of my 1996 Safari Sahara 3530. |
I purchased is the Dorman 904-214 Mechanical Vacuum Pump for Ford Truck. The vacuum line from the reservoir was attached to the black inlet of the pump.
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| Dorman 904-214 |
Installation was easy. Only the vacuum line to the reservoir and 12 vdc power was needed. Once the vacuum is achieved, it shuts off.
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| Installation complete and vacuum valve control functionality fully restored. |
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