G,day everyone,i got a question,whats the normal water level fill up point for the radiator?When i top my radiator up to the top and put the cap on ,the temp gets to about 180 and opens up the thermostat,but in the process im losing about an inch or inch and a half of water out of the overflow pipe .The car does not have a recovery bottle.Is it normal to be topping it up this much every time it is run?Cheers 71LCGTR.
LCGTR cooling system
Started by
_71LCGTR_
, Feb 25 2006 01:09 PM
5 replies to this topic
#2
rodomo
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Posted 25 February 2006 - 01:17 PM
If every thing else is ok with no recovery bottle that is what should happen.
Just check it daily and make sure it doesn't drop any lower.
RACV MAN
Just check it daily and make sure it doesn't drop any lower.
RACV MAN
#3
FastEHHolden
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Posted 25 February 2006 - 03:24 PM
It will sort its own level out...and that is usually bout an inch down from the top...it cant stay full to the brim due to the exspansion and contraction of the water.
#4
_71LCGTR_
_71LCGTR_
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Posted 25 February 2006 - 04:49 PM
Thanks for the feedback guys,i think an expansion tank would be the way to go.Cheers 71LCGTR
#5
_devilsadvocate_
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Posted 25 February 2006 - 05:10 PM
As EH says if there are no other leaks it will sort its own level out and not need regular topping up. Perhaps try that out 1st. If the level goes down to the top of the tubes, youve definitely got a leak somewhere else or a radiator cap thats not holding pressure.
Do you have an overheating prob, getting an extra half litre or so in the radiator by filling it to the top will only increase the time needed to get to a certain temp, it wont make the car run any cooler as the top tank isnt where the cooling is done. Anyway, when the car is getting hot, thats when your water volume would have increased to occupy the whole top tank anyway, or if you had an overflow tank fitted water the extra water you added to the radiator would be removed.
If you do decide to go recovery, youll need the tank, "recovery radiator" cap(yes the caps are different) and some tubing.
Do you have an overheating prob, getting an extra half litre or so in the radiator by filling it to the top will only increase the time needed to get to a certain temp, it wont make the car run any cooler as the top tank isnt where the cooling is done. Anyway, when the car is getting hot, thats when your water volume would have increased to occupy the whole top tank anyway, or if you had an overflow tank fitted water the extra water you added to the radiator would be removed.
If you do decide to go recovery, youll need the tank, "recovery radiator" cap(yes the caps are different) and some tubing.
Edited by devilsadvocate, 25 February 2006 - 05:22 PM.
#6
_71LCGTR_
_71LCGTR_
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Posted 26 February 2006 - 12:13 AM
g,day devilsadvocate,no the waters not dropping below the tubes.Ill keep an eye on it .thanks mate.
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