The composite (plastic) intake manifold may crack near the thermostat housing and cause a coolant leak. Ford released an updated manifold that was reinforced to prevent a recurrence. No recall was issued for this problem but Ford did extend the warranty to seven years on some models from the date of purchase.
Average mileage: 95,942 (37,800–210,679)
Engines affected: 3.8L V6, 4.6L V8
15 people reported this problem