cant squeeze return hoses to the Coolant Reservoir

Question

when the engine goes warm this hose return fluid to the Coolant Reservoir.

but the pressure of returning water is very low.  this is mean my radiator get stuck? or its okay to return water with low pressure?

i cant squeeze this hose too ,its like full of pressure. this is okay too or?

user4321 · Answer

That tank is only for overflow from the radiator to release coolant when too much builds up, these systems are designed fairly optimally so that is why not very much coolant if any is returned. If you're concerned about the pressure in the lines (with the car off) squeeze the lines then open the reservoir cap and squeeze again if it feels the same then they are hard lines.

Answered by user4321 on February 9, 2021

KIWIPOP · Answer

Does the vehicle have a pressure cap on the radiator or is the pressure controlled by the cap on the reservoir? (many cars are) I could not get a clear read on the cap in your picture.
Be VERY CAUTIOUS opening radiator caps. Scalding is very painful.

cant squeeze return hoses to the Coolant Reservoir

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