fullpint
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| posted on 23/12/11 at 05:18 PM |
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Is my header tank too LOW!
I seem to be topping up my water fairly often!! Could it just be the fact that my header tank is situated far to low?
Surely it needs to be above the height of the rad and engine?
Here's a pic;
 
Description
I've over 28 years in dealing with magnesium wheels. Refurbishment and can powder coat most metal parts. Visit my web site if you wish..
www.tpcs-magnesium-refurbs.co.uk
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mark chandler
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| posted on 23/12/11 at 06:59 PM |
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Does water flow through the tank, if it does then its to low.
If it is only fed by that black 1/4" id tube then its an expansion tank!
Assuming its an expansion tank unless the little pipe goes to the bottom of the tank it will not work as the engine will not suck the water back, just
boil it off, has it a dip pipe?
Regards Mark
[Edited on 23/12/11 by mark chandler]
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spiderman
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| posted on 23/12/11 at 07:04 PM |
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OK I will go first.
Header should be above the highest point of the cooling sytem on engine, (mine is thermostat housing, x/flow). I would suggest that you have a leak
somewhere within the system if you are losing water, to state the obvious. Head gasket? Is the expansion bottle pressurising? Do you get clouds of
steam as It is warming up? If the expansion bottle has an overflow outlet I would place a container onto it to see if it is being lost that way. The
expansion bottle should only be filled to the level of the highest point of the engine and not all the way to the top.
Sorry if this is all a bit obvious but starting from basics is usually the best place to start from.
Oopps someone got in 1st so I will go 2nd then.
[Edited on 23/12/11 by spiderman]
Spider
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fullpint
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| posted on 23/12/11 at 07:11 PM |
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 Some good pointers there. Currently the Mk is off the ground (see Mk Indy pics in archive) under going a an early spring clean. I will check
out those ideas when the battery is hooked back up..
I've over 28 years in dealing with magnesium wheels. Refurbishment and can powder coat most metal parts. Visit my web site if you wish..
www.tpcs-magnesium-refurbs.co.uk
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RichardK
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| posted on 24/12/11 at 09:24 AM |
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All the above is great info but the only thing I would add is if you know of a friendly garage that could do you a sniff test on the water just in
case the head gasket is starting to go??
Cheers
Rich
Gallery updated 11/01/2011
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franky
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| posted on 24/12/11 at 09:29 AM |
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if its an expansion tank it can go at any height.
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fullpint
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| posted on 24/12/11 at 10:08 AM |
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quote:
Originally posted by franky
if its an expansion tank it can go at any height.
Would I be right is saying that a header tank will have an over-flow but not an expansion tank? Feel free to comment after you have all stopped
laffing...
I've over 28 years in dealing with magnesium wheels. Refurbishment and can powder coat most metal parts. Visit my web site if you wish..
www.tpcs-magnesium-refurbs.co.uk
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