Adam-D
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Registered: 11th May 02
Location: Cheshire
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i filled up my coolent today from empty, run it till all pipes are hot, the pass side, lower main pipe took ages, but now gets hot,
the fans blow hot cold and when revved i get coolent returning back throu both of the top pipe on the coolent tank,
now the temp gauge wrapped round right into the red before the slow speed kicked in on the fan 
so is it a air lock at the bottom of the rad>? stopping the temp/fan switch kicking in, or is it the fan switche's that are buggered?
any help or other ideas of the prob would be much appreciated,
its a 99 sport 1600 with air con 
[Edited on 04-02-2007 by Adam-D]
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Adam-D
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Registered: 11th May 02
Location: Cheshire
User status: Offline
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also using the bridge pin thing by the pass headlight, i can get slow speed and fast speed on the fan, so the fan is good
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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did you get rid of all the air in the system?
try getting it right up to temp about 98 degrees, open expansion tank and put blowers on hot. wait till the coolant bubbles over and stop the engine. let it cool, you will hear the air coming out of the system.
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Adam-D
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Registered: 11th May 02
Location: Cheshire
User status: Offline
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yup i let it bubble over, expensive coolent on the drive 
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Adam-D
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Registered: 11th May 02
Location: Cheshire
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but yes ill try it again today so start it
get it upto 98 ish
open tank
bubly everywhere
shut engine off,
let it cool
then start it again then the fans should kick in near 98 ish on fast speed?
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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usually around 100 before it cuts in. if it still doesnt cut in check your fan switch wiring is good then chech the fan switch is going open circuit with a multimeter
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Adam-D
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Registered: 11th May 02
Location: Cheshire
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right did what you said,
the pass side bottom hose isnt getting as hot and the water,
there is constant flow of coolent going into the tank on the left return pipe "as you look at it from the front.
i dont think the rad is getting any circulation. not without squeezeing the hoses,
its a brand new thermostat aswell
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Adam-D
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Registered: 11th May 02
Location: Cheshire
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just had the new thermostat off and the old one in a pan of water, boiled the water slowly and they both opened at same time
so the thermostat is good.
damm. so why is the temp reading over 100, the expansion tank showing steam, but the rad and both main rad hoses not getting hot?
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Adam-D
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Registered: 11th May 02
Location: Cheshire
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im starting to think the temp sender for that dash is faulty, its new so cant see why but im getting the feeling its that thats fubarrd or somthing with that is buggerd
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mattievRS
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Registered: 20th May 06
Location: Leicester
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Are you sure the water pump is ok and is the sender earth by the side of the stat housing clean and connected?
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Adam-D
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Registered: 11th May 02
Location: Cheshire
User status: Offline
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water pump is brand new
sender earth?
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mattievRS
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Registered: 20th May 06
Location: Leicester
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yeah there is the blue connector that fits to the sender unit itself then just below and back a bit is an earthing point where the other wire with a spade connector fits to.
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Adam-D
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Registered: 11th May 02
Location: Cheshire
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yeah got them on and cleaned up too 
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Adam-D
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Registered: 11th May 02
Location: Cheshire
User status: Offline
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