lower radior hose

Asked by Sep 20, 2016 at 01:16 PM about the 1999 Dodge Durango 4 Dr SLT 4WD SUV

Question type: General

Can the lower radiator hose affect the temp
of the car

2 Answers

1,540

The upper radiator hose is where the hot coolant enters the radiator from the engine. It cycles through the radiator, cooling as it goes. When it reaches the bottom, it moves out of the radiator through the lower hose and back into the engine to start the cycle once more...

1,540

The normal flow is from the lower hose to the water pump, through the cooling passages in the engine, and back through the thermostat to the upper hose and then to the radiator.

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