Car Problem Reports

Ford Thunderbird Intake Manifold May Crank Near Thermostat Resulting in Coolant Leak

 
Ford Thunderbird Problem
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Model Years Affected: 1997, 2003

Engine Affected: 4.6L V8

Average Mileage: 112,335 mi (50,000 mi - 210,679 mi)

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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.

  • Visitor, , 75,000 mi

    needed new intake manifold

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  • Visitor, , 4.6L V8, 50,000 mi

    coolant leaking,had to install new manifold with alum. housing.

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  • Visitor, , 4.6L V8, 76,000 mi

    The composite (plastic) intake manifolds could crack near the thermostat housing and cause a coolant leak. Ford released an updated manifold that was reinforced to prevent a recurrence. I purchased an after-market intake manifold that was much cheaper and owrks fine

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  •  Rookie

    intake manifold cracked at thermostat. Ford had recall on manifold. replaced with same manifold. happened again. 2nd time replaced with different manifold. alu.for front crossover, composite the rest. Dealer replaced no cost

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