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Radiator hose popped out !!

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Old 08-11-2013, 09:02 PM
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2014 cls63 a amg. 2018 AMG GTR
Radiator hose popped out !!

I cant believe they have such a critical component so poorly designed. Was driving home and all of a sudden my display says car is too hot and to pull over. Was right by a friends house and babied it over there not thinking it could be something quite this bad. Pop the intake hose off and look down to see the radiator hose was completely off the radiator After looking it over carefully I could see they just have a clip holding it on. Stuck hose back on, pushed clip in hard , put some water in and was on my way. 2 days and hasnt lost a drop. Not sure if it somehow got loosened by someone or if it could really do this from factory. Got up to like 200... hope it didnt hurt anything.
Old 08-11-2013, 09:13 PM
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If you haven't already done so, I'd make sure to bleed all the air out of the system
Old 08-12-2013, 04:04 PM
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I beleive I did. Ran it with cap off for a while and added a lot more fluid. Full last I checked. No more leaks.
Old 08-12-2013, 04:54 PM
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did you put the heat on when you did that
Old 08-12-2013, 06:22 PM
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The radiator hose should not pop off unless you're pushing compression into your cooling system. You should do a comp/leakdown test pronto just to be sure.
Old 08-12-2013, 09:08 PM
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Yes, the hose design is damn nice and uses a rubber o ring and strong clip. Even with a blown head gasket pushing pressure in them, they dont blow off. You may blow the seams out of the radiator but the hoses still hold. Maybe a service tech did not get the clip all the way.
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Old 08-12-2013, 10:13 PM
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/\ I am thinking this as well.
Old 08-12-2013, 10:54 PM
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Brooke's right. It happened to me when I changed my radiator. Make sure the clip is tight and bleed it and you'll be fine.
Old 08-12-2013, 11:07 PM
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Thank you guys. Whats best way to bleed it ? I just ran with cap off a bit and added water. Next morn added more water. Clip seems solid after two days of driving.
Old 08-13-2013, 03:06 PM
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I would also consider changing the oil...It was my understanding when a motor overheats, the oil in it loses some of its properties. Not sure of all the details but oil has detergents and other chemicals the help retain the proper viscosity(thickness). I don't know much about it just remember that I was told it was imperative to change the in anything that "GOT HOT"
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Old 08-13-2013, 03:31 PM
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Mann55le, has a good point, oil change is recommended as well as a look at the trans fluid. When you lost the coolant the temp gauge will not read hot air but only works in hot coolant so chances are you were hotter than 200, as the engine will run hotter than 212 during normal driving but will not boil as it is under pressure. You must have added water to the engine when it was running or you could have cracked something.
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Old 08-14-2013, 10:28 AM
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Thanks, I actually did change the oil a couple days afterwards. When I added water it was from a garden hose in the sun so the water was pretty darn hot. Car seems to be ok. Keeping my fingers crossed.
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Old 08-15-2013, 12:59 AM
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Did you have any work done to it lately ?somebody could have leaned on that hose,only time I ever saw one come off that wasn't disturbed was one on an aftermarket radiator,those hoses should never blow off period.
Old 08-15-2013, 01:40 AM
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Yeah I had someone do all the upgrades on my car so it is possible it was disturbed.

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