dna23
Member
Registered: 1st Nov 04
Location: Northamptonshire
User status: Offline
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as the title suggests, i've lost me radiator coolant tank cap thingy so is it safe for me to drive or do i need to get a new one before i start a journey???
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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not really, you water will escape.......
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dna23
Member
Registered: 1st Nov 04
Location: Northamptonshire
User status: Offline
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kk, wat if i was to duct tape it up or place a rubber glove over it and laccy band it down and secure it somehow... wud that be ok for a temporary fix until i can get me new cap :O
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Corsa^Dan
Member
Registered: 4th Dec 02
Location: Sleaford, Lincolnshire
User status: Offline
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yeh cant c y not, as long as the water cant get out it SHOULD b ok
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James_DT
Member
Registered: 9th Apr 04
Location: Cambridgeshire
User status: Offline
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What about the pressure? You'd have to use something that could maintain the pressure in the system, surely?
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Corsa^Dan
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Registered: 4th Dec 02
Location: Sleaford, Lincolnshire
User status: Offline
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shhs fool 
Its not called a "Header tank" for nothing. if u have noticed its higgher (slightly) than the inlets too the engine. this creats enough pressure in the system.
I sure that the system dont require proper pressure 2 work. could br wrong tho.
its just an after effect of water being heated up and expending.
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Corsa^Dan
Member
Registered: 4th Dec 02
Location: Sleaford, Lincolnshire
User status: Offline
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eek missed a bit -
Its not called a "Header tank" for nothing.
Too creat a "Head" of water
FEAR MY PLUMBING KNOWLEDGE!!!!! (sp) (dont fear that tho)
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James_DT
Member
Registered: 9th Apr 04
Location: Cambridgeshire
User status: Offline
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Notice question marks?
It was a question.
FEAR MY KNOWLEDGE OF THE ENGLISH LANGUAGE!!!!
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Black Corsa SRi
Member
Registered: 25th May 02
Location: ---Stockport---- Drives: Pug 206 Roland Garros
User status: Offline
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you need the cap really or something thats gonna hold the pressure cause despite what people are saying on here trust me if you rev the engine more than a few thousand revs (ie drive it) with no cap or just a bit of tape the prssure will send a fountian of water out the tank. I know this for a fact as when i changed the coolant on my old corsa I did exacly this when running it to expell air locks etc! LOL
thats why if you were to run the engine then remove the cap as soon as you turn the engine off you get a releace of pressure and that is also why it warns you not to! LOL the warnign is also there to stop you burning yourself onthe hot air more so but u know what i mean! LOL
[Edited on 07-12-2004 by Black Corsa SRi]
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James_DT
Member
Registered: 9th Apr 04
Location: Cambridgeshire
User status: Offline
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Thought so, wasn't sure.
Yes, opening the cap on hot engine spurts hot water/steam at you. Trust me.
I'd get a cap before I drove any car missing it.
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Stone Cold Rattlesnake
Member
Registered: 12th Jun 02
Location: London .................. Drives: Astra IV
User status: Offline
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Yeh def. get hold of another cap, a temporary solution like that is ok for driving to get the new cap for instance - temporary only though
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Mark Petty
Member
Registered: 26th Jul 01
Location: Bournemouth Drives: Suzuki gsf600
User status: Offline
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The time u spent on here writing this message you could of got the cap
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PaulW
Member
Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline
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i was driving with a faulty cap which wasnt holding pressure, and cos of it it kept boiling over when i was in long queues...
the pressure created with a good cap helps raise the boiling temperature so stopping it boiling over before the fan kicks in.
new cap cost me about £12 from vauxhall - there all the same too, so dont worry if it will fit or not
there was also a noticeable difference to in running temps with the faulty cap compared to the good one, the engine runs alot cooler with a good cap!
[Edited on 08-12-2004 by PaulW]
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Adam-D
Member
Registered: 11th May 02
Location: Cheshire
User status: Offline
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i have a spare cap
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Filby1
Member
Registered: 12th Dec 03
Location: Brighouse
User status: Offline
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Gte a ne wone from Vauxhall Only 11 quid. id say worth it for a good running car
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Richie
Member
Registered: 3rd Dec 02
Location: Newport, Wales
User status: Offline
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i payed like £3 from my local auto factors for a new cap. You need it cos like it has been said, it will boil over when the car idles when hot, and u lose a shitload of water, then the engine overheats.
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Dinokid
Member
Registered: 25th Dec 02
Location: Winnington, Cheshire Drives: Honda Civic Marlin
User status: Offline
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u can run without 1, but water will evaporate out, so it'll need toppping regularly.
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Richie
Member
Registered: 3rd Dec 02
Location: Newport, Wales
User status: Offline
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my x12xe defo couldnt run without one. No pressure and the engine kept overheating
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