Question about 2003 HM CRE 125

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Cooling system I was told using a radiator cooling liquid after using regular water for a long time is bad. Why?

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Using regular water is not good. But you have used it for a long time there is a sligt chance that you have small cracks in the radiator and the scale from thae water is what keeping it from dripping. Changing into cooling liquid will open those cracks.

Posted on Nov 10, 2008


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You really need to give more details. Are you losing cooling liquid? In other words, does the vehicle overheat at any time, or do you have to replenish radiator water regularly?
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I'd suspect the thermostat again. But I think you radiator core is partially blocked and you had overheating, so the need for a new thermostat.
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My mechanic told me I had a radiator leak. I replaced the radiator. The car still overheats. I have talked to my mechanic several times and now he says I need a thermostat. Whay didn't he replace the...

the cooling systems consists of a radiator, radiator cap, water pump, thermostat, hoses, heater core and sometime a heater control valve that open water lines to heater core. You may need a cooling system flush if water pump, radiator have been replaced. flush the system.change the thermostat and have the heater core checked too if you can get to it.
does the cooling fan kick on to cool the radiator..check that too.replace radiator cap and check cooling fan yourself...let me know if need anything else.
Thanks for using fixya and please vote.

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Did you install a new thermostat and make sure to bleed all the air out of the system when you replaced the radiator? If you didn't, or installed a Stant thermostat, replace it with a FACTORY OEM thermostat. Make sure the cooling system is bled by opening your radiator cap (WHILE THE CAR IS OFF AND COLD), starting the car and running the heater. Add coolant to the radiator as the engine heats up, until is at normal operating temperature AND starts spitting coolant back out.

Hope this helps,
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1 Answer

Cooling system

using regular water is not good. But you have used it for a long time there is a sligt chance that you have small cracks in the radiator and the scale from thae water is what keeping it from dripping. Changing into cooling liquid will open those cracks.

Nov 10, 2008 | 2001 Hartford VR 125Z

1 Answer

Cooling system

using regular water is not good. But you have used it for a long time there is a sligt chance that you have small cracks in the radiator and the scale from thae water is what keeping it from dripping. Changing into cooling liquid will open those cracks.

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Do not overfill your reservoir tank!

Scheck see if your fan is running regularly and strong. If it's not, then cooling won't happen and it will shoot water every time.

Water pumps can also cause such problems in when they fail.

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