3.5 V6 internal water pump failure that can contaminate the oil
- Typically appears
- 100,000 miles
- What to inspect
- Check coolant level and look for milky oil

A large US sedan whose V6 engines are strong, but the water pump and transmission need careful checking.
Compiled & reviewed by the VehicleFaults Research Team · last reviewed October 2026
The most commonly reported faults on the 2010–2019 Ford Taurus are 3.5 V6 internal water pump failure that can contaminate the oil, Six-speed automatic harsh or delayed shifts and EcoBoost turbo and PTU (power transfer unit) leaks on AWD cars. 1 of the documented issues are rated high severity · inspect these first. Full inspection points, onset mileage and what to check are listed below.
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Build the inspection planBased on the documented faults on this page for the Ford Taurus.
Guidance only · reflects reported patterns, not a specific car's condition.
Which faults an average example has usually reached depends on its age. Pick a model year for the faults that matter on that build.
3.5 V6 internal water pump failure that can contaminate the oil
Six-speed automatic harsh or delayed shifts
Turn these known faults into a step-by-step viewing plan for this exact Ford Taurus · $9.
Build the inspection planMyFord Touch infotainment freezing
EcoBoost turbo and PTU (power transfer unit) leaks on AWD cars
Door lock actuator failure
Rear brake caliper and rotor wear
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Build my inspection planYes, if the V6 water pump has been replaced or checked.
It sits inside the engine, so failure can damage the engine and repair is costly.
Production ended in 2019.
It is fast but has more turbo parts to maintain.
Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.
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