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1996 Dodge Caravan 3.0 top radiator hose hot and hard bottom hose cold and soft. Did not lose coolant. Temp gauge pegged hot.

  • Your thermostat could be stuck closed (or nearly so), or radiator is (at least partially) clogged - something preventing flow. – mike65535 May 15 '19 at 14:58
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This is the classic signs of a stuck thermostat.

It is stuck in the closed position and causing the engine to overheat.

Replace it ASAP before you blow the head gasket.

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The same symptoms would also appear if the car's water pump has failed, or is no longer being driven by its v-belt or serpentine belt.

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