i recently replaced the radiator cap as it bubbled up out of there on a short trip.. :'(
soooooooo maybe the cap is dodgy?
best way to check if it's blocked or find out if it's blocked???
just un attach it from the radiator cap end or from the overflow end ?
unhook from radiator ,and blow into tube ,,there might be dirt etc. in tube or bottom of the overflow tank ,unless the cap is the wrong pressure it should be fine
hmmmh,
well last night was eventful, pulled the radiator overflow hose off and blew the crap outta that all clear and open
then Blasted some water through the actual inlet part into the radiator
check is this mornign after a '10-15 min drive last night pulled the cap off this morning and i had to add a cup full of water..
each morning it's probably only a mug sized ammount of water / coolant i add to the radiator.. so i'm not sure where to go from here!
will 'attempt' to leave it for two days and see on the third day if i needa fill up the radiator or only put in the same ammount that might be more normal?? but it didn't seems to 'suck' any water again from the resiovour..
The way it works is that any air in the system collects near the rad cap. When the water heats up, it expands under pressure and forces the trapped air out to the overflow tank. When it cools and contracts it sucks only water back into the rad. Over several starts/stops all the air is scavenged out of the system and you are left with only water, provided that the rad cap is airtight, that is, a good gasket on the top lip, a good seal on the pressure valve, an airtight overflow hose, and an adequate water level in the reservoir. If, when you remove the rad cap when it is cold after several start/stops and the water is not visible in the rad then there is an air leak in the overflow system or a faulty cap.
You need to take both hoses off and force water in the reverse direction to flush out any gunk.
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RADIATOR / OVER FLOW problem?
