Coolant leak

Asked by Wutawaywet Feb 08, 2019 at 07:57 PM about the 1997 Ford F-150 XL 4WD Extended Cab LB

Question type: Maintenance & Repair

My F-150 leaks coolant only
when cooling down I could
park it no leak hour and a
half two hours later it'll start
dripping

3 Answers
870

dan answered 5 years ago

All metals expand when hot so it's probable it only leaks when it cools down as the metals contract. A bad water pump gasket would do that...heats up and seals, cools off, contracts and leaks.

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870

dan answered 5 years ago

Leaks flow down from gravity and back from air blowing from fan. Just have to follow the water. They also make a florescent dye you put in the coolant and a special light to see the dye

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