How to clean the cooling system of air in a Honda CRV?

How to clean the cooling system of air in a Honda CRV?

After about an hour go back and CAREFULLY OPEN THE RADIATOR CAP turn it just 1/2 half way until it stops to let out the pressure then take the cap off and add a bit of water as it needs it to fill up the radiator. Some of the water in the overflow will have been sucked back into the cooling engine so check it’s level and top off as necessary.

Why does my Honda CRV engine get hotter and hotter?

So there you are an engine with air trapped in it and the catch 22 of hot water not being able to reach the thermostat to make it open the result being the engine gets hotter and hotter because no water is being allowed past the thermostat and no water gets close enough to it to open it.

Where is the thermostat on a Honda CRV?

On these engines, the thermostat housing is near the bottom of the engine. The Helms Factory Shop Manual says to drain the system, then refill at the radiator cap. Then, with the heater fully “on”, run the engine until the thermostat opens, and add coolant as required through the open radiator cap until full.

After about an hour go back and CAREFULLY OPEN THE RADIATOR CAP turn it just 1/2 half way until it stops to let out the pressure then take the cap off and add a bit of water as it needs it to fill up the radiator. Some of the water in the overflow will have been sucked back into the cooling engine so check it’s level and top off as necessary.

On these engines, the thermostat housing is near the bottom of the engine. The Helms Factory Shop Manual says to drain the system, then refill at the radiator cap. Then, with the heater fully “on”, run the engine until the thermostat opens, and add coolant as required through the open radiator cap until full.

So there you are an engine with air trapped in it and the catch 22 of hot water not being able to reach the thermostat to make it open the result being the engine gets hotter and hotter because no water is being allowed past the thermostat and no water gets close enough to it to open it.

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