Jakey
Premium Member
Registered: 4th Jun 07
Location: Sandbach
User status: Offline
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Basically, a few weeks ago, the 'coolant low' warning came on the dash so bought some coolant and topped it up to the maximum. Ran it for about 400miles and it came on again, it was just about minimum so topped it back up again. Ran it for another 400odd miles and it came on for a 3rd time. This time when I removed the header tank cap, it de-pressurised and the coolant raised up from min to max. 
Thought nothing off it, jumped back in and continued driving. Warning came back on 30 miles later and was doing the same pressurised thing!
Any ideas?
The car is not losing coolant as there is none on my driveway or road when its left for a day or two or even after I've parked up for a while.
Baffled.
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johnhara1
Member
Registered: 19th Oct 06
Location: Newcastle upon Tyne
User status: Offline
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Try bleeding the coolant system to get rid of any air. Run it upto temp with the cap off. Leave overnight, top coolant up when cold.
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IvIarkgraham
Premium Member
Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
User status: Offline
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brothers seems to be doing the same, let me know if you fix it
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Jake
Member
Registered: 24th Jan 05
User status: Offline
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is there water coming through the return pipe with the engine running?
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Eddx14xe
Member
Registered: 12th Jan 10
Location: Hertfordshire
User status: Offline
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Mums mondeo was doing this. The head had cracked and water was going into the engine, then returning to the coolant tank when it was turned off.
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Eddx14xe
Member
Registered: 12th Jan 10
Location: Hertfordshire
User status: Offline
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Her car was also running fine while the problem was occuring, no loss in power or anything. Then she was driving home and her car just died and wouldnt start again.
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IvIarkgraham
Premium Member
Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
User status: Offline
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dont think my brothers is filling back up again
he broke down when his cts popped out and since then the problem has started
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Jake
Member
Registered: 24th Jan 05
User status: Offline
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waterpump maybe markgayham
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IvIarkgraham
Premium Member
Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
User status: Offline
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i am adding you to the list of people i would punch
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IvIarkgraham
Premium Member
Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
User status: Offline
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pretty sure he had his water pump changed
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Jake
Member
Registered: 24th Jan 05
User status: Offline
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i was first on your list
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IvIarkgraham
Premium Member
Registered: 27th Mar 04
Location: Ellesmere Port, Cheshire
User status: Offline
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you'll be getting punched twice then
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Jakey
Premium Member
Registered: 4th Jun 07
Location: Sandbach
User status: Offline
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quote:
Originally posted by johnhara1
Try bleeding the coolant system to get rid of any air. Run it upto temp with the cap off. Leave overnight, top coolant up when cold.
Will try this tomorrow after work.
Remove cap
Run to temp
Cap on
Turn off engine
Leave overnight.
That the right order?
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