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Topic: Radiator Cold, Car Hot (Read 316 times) |
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KronosKeylock
Newbie
Why do you need a 3 litre?
 
Posts: 35
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Radiator Cold, Car Hot
« on: Sep 27th, 2006, 4:37pm » |
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As im booked in for the Garage, ( see earlier posts), can someone explain to me why my Radiator is cold to the touch whilst my top tube is hot?, soz for dominating the boards at the mo
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2.9 !12 Valve
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crop
Junior Member
I'm a YaBB newbie!
Posts: 55
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Re: Radiator Cold, Car Hot
« Reply #1 on: Sep 27th, 2006, 5:48pm » |
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If it is just after you start up thats ok as the thermostat doen't allow the water to circulate until its hot enough.
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TiberiuS
Senior Member
Ex. 1996 2.3 Ultima - RIP P789 KHJ
Posts: 2257
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Re: Radiator Cold, Car Hot
« Reply #2 on: Sep 27th, 2006, 6:16pm » |
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Airlock? radiator blocked with sludge?
Does the car run at a reasonable temp? if the cooling system isn't well, it'll let you know soon enough 
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Bruce - '07 Jaguar XKR coupe, '95 Jaguar XJ Sport 4.0, '82 Ford Capri 2.0 Ghia, '15 Honda Civic (sloooooww..)
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: Radiator Cold, Car Hot
« Reply #3 on: Sep 27th, 2006, 6:20pm » |
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which radiator are you touching?
the cooling system can only be touched from inside the engine bay as the air con rad sits in front (thats the one you can see)
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FDS2000 Scans - Birmingham
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KronosKeylock
Newbie
Why do you need a 3 litre?
Posts: 35
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Re: Radiator Cold, Car Hot
« Reply #4 on: Sep 27th, 2006, 7:00pm » |
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I didnt know that>!!, Is that why it has two big fans on the inside of the engine compartment
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2.9 !12 Valve
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KronosKeylock
Newbie
Why do you need a 3 litre?
Posts: 35
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Re: Radiator Cold, Car Hot
« Reply #5 on: Sep 27th, 2006, 7:03pm » |
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One of these seems to be on all the time, I thought this was causing my battery drain problem
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2.9 !12 Valve
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: Radiator Cold, Car Hot
« Reply #6 on: Sep 27th, 2006, 7:19pm » |
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they should flick on and off as and when needed, they have 2 speeds slow (i think when either the ac or normal coolant temp) and the fast is when both are on,
the front rad (the one you can see) is just the ac, it's the same size as the coolant rad but not as thick, then the main rad is behind that, hidden by the front cross panel
some cars have 3 rads! a third is an oil cooler for the auto box which sits under the main rad, slightly forward, you cant miss it if you look under the car
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FDS2000 Scans - Birmingham
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sector-9
Senior Member
No scorpio anymore
Posts: 1069
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Re: Radiator Cold, Car Hot
« Reply #7 on: Sep 28th, 2006, 8:58pm » |
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The design of the fan circuit is such that both fans should run together at the same speed (either slow or fast, depending on engine temp and if a/c is on or not). If only one fan is working then you need to investigate if power is getting to the non-running fan. On my diesel I found the wiring which is clipped to the front crossmember and passes in front of the radiator had burnt out and disintegrated - this is the wiring for the fan circuit and EGR (on the diesel anyhow).
Darren
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: Radiator Cold, Car Hot
« Reply #8 on: Sep 28th, 2006, 9:02pm » |
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hey
look here http://www.fordscorpio.co.uk/faultfinds.htm
scroll down to the AIR CONDITIONING/CLIMATE CONTROL CONCERNS
follow the blue highlighted bits
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FDS2000 Scans - Birmingham
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