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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1847 (ENGINE COOLING SYSTEM (EXCEPT HYBRID))GENERAL PROCEDURESCOOLING SYSTEM FLUSHINGMATERIAL
1999 Ford Windstar Base, Van Cargo, 3.8 4
Cooling System Flushing: Material
1999 Ford Windstar Base, Van Cargo, 3.8 4SECTION Material
WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
MATERIAL SPECIFICATIONS TABLE
| Item | Specification |
|---|---|
| Premium Cooling System Flush VC-1 | ESR-M14P7-A |
- To remove rust, sludge and other foreign material from the cooling system, use cooling system flush that is safe for use with aluminum radiators. For additional information, refer to SPECIFICATIONS . This cleaning restores cooling system efficiency and helps prevent overheating. A pulsating or reversed direction of flushing water will loosen sediment more quickly than a steady flow in the normal coolant flow direction. In severe cases where cleaning solvents will not clean the cooling system efficiently, it will be necessary to use the pressure flushing method using cooling system flusher. Dispose of old coolant and flushing water contaminated with antifreeze and cleaning chemicals in accordance with local, state or federal laws.
- Remove the radiator. For additional information, refer to Removal and Installation (2.5L, 3.0L) or Removal and Installation (3.5L).
- Backflush the radiator with the radiator in an upside-down position with a high-pressure hose in the lower hose location and backflush.NOTE: Radiator internal pressure must not exceed 138 kPa (20 psi). Damage to the radiator can result.
- Remove the thermostat. For additional information, refer to Removal and Installation (2.5L), Removal and Installation (3.0L) or Removal and Installation (3.5L).NOTE: On 2.5L engines, the thermostat and housing are serviced as an assembly.
- Backflush the engine. Position the high-pressure water hose into the engine through the engine return and backflush the engine.
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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.