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Thread: After radiator and coolant change major problem, please help.

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    Ricki1985's Avatar
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    Default After radiator and coolant change major problem, please help.

    Iíve changed my radiator and coolant today as I had a small leak on the radiator. Everything is back together and just like before however Ive come to fill with coolant and filled via the radiator cap like most people recommend and now gone to start the car to let it warm up and release any air. However the car reached temperature within about 2 minutes and the fan came on but stays on and doesnít switch off. The radiator cap is off and there is a huge amount of air keep bubbling out. Could this just be a case of an air lock / allowing more time to let the air out? When I turn the engine off with just the ignition on the fan runs for about a minute then clicks off. Any help would be greatly appreciated. Cheers

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    Ricki1985's Avatar
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    If anyone’s interested? I sorted this problem. For anybody experiencing a similar problem after changing your radiator or coolant then the problem was a massive air lock. After 4 hours of trying different methods to get rid of the air including draining the coolant and starting again, i thankfully got it clear. Everything seems perfect now.

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    mike.h (05-07-2019)

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    Good to hear you got it sorted! Thanks for the update.
    Subaru Leone | EF Hatch | EG4 VTi | Rover 214Si | EK | BB5 | EP3 | EP3

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    Ricki1985 (05-07-2019)

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    I'm sad I haven't come across this topic earlier. Bubbling is quite normal, when changing the coolant, considering you see no smoke in the radiator. I've heard, that in EP civics in general, it's a good idea to lift the front a bit, when trying to get the air out after a coolant change. It produces better results quicker.

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    Ricki1985 (06-07-2019)

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    Hamza Type R's Avatar
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    Quote Originally Posted by Ricki1985 View Post
    I’ve changed my radiator and coolant today as I had a small leak on the radiator. Everything is back together and just like before however Ive come to fill with coolant and filled via the radiator cap like most people recommend and now gone to start the car to let it warm up and release any air. However the car reached temperature within about 2 minutes and the fan came on but stays on and doesn’t switch off. The radiator cap is off and there is a huge amount of air keep bubbling out. Could this just be a case of an air lock / allowing more time to let the air out? When I turn the engine off with just the ignition on the fan runs for about a minute then clicks off. Any help would be greatly appreciated. Cheers
    Which radiator did you go for mate?
    Premier Edition EP3 2005...Mercedes Benz C220D

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    Ricki1985's Avatar
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    I was going to go for the Tegiwa aluminium radiator at 1st but they were out of stock everywhere 10 - 15 days delivery, I was in a bit of a rush , so went for the M2 aluminium radiator instead and it’s spot on. Can’t fault it. Good quality, good price and fitment was perfect too with OEM fans ect. Would definitely recommend the M2 Radiator.

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    Hamza Type R's Avatar
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    Quote Originally Posted by Ricki1985 View Post
    I was going to go for the Tegiwa aluminium radiator at 1st but they were out of stock everywhere 10 - 15 days delivery, I was in a bit of a rush , so went for the M2 aluminium radiator instead and it’s spot on. Can’t fault it. Good quality, good price and fitment was perfect too with OEM fans ect. Would definitely recommend the M2 Radiator.
    I went for the Tegiwa radiator didn't come across M2 radiator
    Premier Edition EP3 2005...Mercedes Benz C220D

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