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2003 Mercury Mountaineer
cooling system Problems
Worst 2003 Mountaineer cooling system Problems
Click on a problem below to read more.
- NHTSA: Engine And Engine Cooling: Cooling System2
- NHTSA: Engine And Engine Cooling: Cooling System: Fan1
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Check out our Mercury Mountaineer overview to see the most problematic years, worst problems and most recently reported complaints with the Mountaineer.