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 Posted: Tue Oct 29, 2013 10:05 am |
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Joined: Oct 29, 2013
Posts: 6
Trade Rating: 0
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hi there, since changing my radiator 3 months ago im losing coolant when the car has build up pressure and running warm. it loses more if i give her a bit of a grilling! slightly moist around cap but no obvious drips. also car temp has always run at 80 but last few week started only getting to 70. pug 206 2ltr hdi. 51 plate. thanks
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Posted: Sat Nov 09, 2013 10:13 am |
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Joined: Aug 20, 2013
Posts: 7
Trade Rating: 0
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You checked the oil for signs of water? Could be headgasket on it's way out?
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Posted: Sat Nov 09, 2013 10:34 am |
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Joined: Jan 29, 2011
Posts: 6526
Trade Rating: +10
Location: Westhoughton, Lancashire
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If the cap isn't sealing properly causing the moistness around the area, then the steam is escaping causing your coolant to evaporate.
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Posted: Tue Nov 12, 2013 5:17 am |
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Joined: Oct 29, 2013
Posts: 6
Trade Rating: 0
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oil is fine and ive bought two new caps
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Posted: Tue Nov 12, 2013 6:45 am |
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Joined: May 16, 2011
Posts: 495
Trade Rating: +1
Location: huddersfield
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The temperature will be reading low, because the coolant is not reaching high enough to monitor the temperature sensor which is a green plug down and to the right middle of the engine cover, on the engine block.
When the engine is cold top the level up and start the car and see if its leaking around the plug, or anywhere else in the cooling system.
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| 206 2ltr Hdi glx 53 plate | |
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Posted: Tue Nov 12, 2013 2:52 pm |
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Joined: Jul 10, 2013
Posts: 131
Trade Rating: 0
Location: Daventry
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Hairline crack in expansion tank? haha unlikely but I know someone it happened too recently. It'd explain the moisture too...
Have you tried (carefully) getting it up to temp with the cap off?? Make sure its not bubbling too much (headgasket coolant/bore leak)...
Any spots on the driveway/road?
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Posted: Wed Nov 13, 2013 1:30 pm |
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Joined: Oct 29, 2013
Posts: 6
Trade Rating: 0
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no spots on the road, seems to just be losing when shes under pressure. ill check for leaks again
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Posted: Fri Nov 15, 2013 4:07 am |
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Joined: Oct 29, 2013
Posts: 6
Trade Rating: 0
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always overfill the coolant tank, as u cant see the level thro the thick plastic
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Posted: Fri Nov 15, 2013 9:21 am |
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Joined: May 16, 2011
Posts: 495
Trade Rating: +1
Location: huddersfield
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You shouldn't keep filling water till it overfills, as in the expansion tank there should always be an air gap between the max mark and the filler cap, this allows for a space when the coolant expands when it is hot.
Read on here somewhere if you shine a torch at night, it should show you where the level is, make sure the engine is cold when doing it for correct reading.
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| 206 2ltr Hdi glx 53 plate | |
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Posted: Sat Nov 16, 2013 4:53 am |
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Joined: Oct 29, 2013
Posts: 6
Trade Rating: 0
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oh ill try that as iv always failed to see in the past
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Posted: Sun Nov 17, 2013 4:28 am |
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Joined: Oct 29, 2013
Posts: 6
Trade Rating: 0
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tiny bit of air in system, hardly anything, i give up
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