Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1999WINDSTAR BASE, VAN CARGO, 3.8 4REPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)GENERAL SERVICINGHVAC SYSTEM - GENERAL SERVICINGEVACUATING A/C SYSTEMFORD MOTOR CO.
1999 Ford Windstar Base, Van Cargo, 3.8 4
Ford Motor Co.
1999 Ford Windstar Base, Van Cargo, 3.8 4SECTION Ford Motor Co.
- If using approved Recovery/Recycling/Charging Center (023-00150) connect to high-side and low-side service valves. See SERVICE VALVE LOCATIONS under SYSTEM SERVICE VALVES. Connect manifold gauge set center hose to vacuum pump.
- Open both valves on manifold gauge set. Operate vacuum pump until low-side vacuum reading is at least 29.5 in. Hg (as close to 30 in. Hg as possible). Operate vacuum pump for at least 45 minutes.
- Close both valves on manifold gauge set. Turn off vacuum pump. Observe low-side gauge. Any loss of vacuum in 5 minutes indicates a system leak. Perform leak testing procedure. See LEAK TESTING . Repair system as necessary and repeat evacuation procedure.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.