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EL overheating problems 

 

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 Post subject: Re: EL overheating problems
Posted: Fri Jul 03, 2009 9:58 pm 
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You can also unplug the temp coolant sensor - both fans should run at full speed.
You can do this while the engine is running, but be careful with the drivebelt, etc.

 

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 Post subject: Re: EL overheating problems
Posted: Sat Jul 04, 2009 2:01 am 
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Ride: el fairmont ghia

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thanks guys for all your help ill have a play on sunday (day off) ill let you know what i find or any other ideas you may have i can just keep her cool enough to stop it blowing coolant out the vent pipe by running my a/c but by christ does it get cold in the car speak to you guys soon thanks once again
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 Post subject: Re: EL overheating problems
Posted: Sat Jul 04, 2009 2:51 am 
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mr top fuel wrote:
thanks guys for all your help ill have a play on sunday (day off) ill let you know what i find or any other ideas you may have i can just keep her cool enough to stop it blowing coolant out the vent pipe by running my a/c but by christ does it get cold in the car speak to you guys soon thanks once again



Rule of thumb-a/c turned on, the engine should run hotter, not cooler. If you turn your heater on then it should run cooler.

Unplug the coolant temp sensor(it's the plug on the thermostat housing) while engine at idle, the thermo fans should turn too the fast speed. If this doesn't happen you will need to replace the 5pin relay in the relay box.

 

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 Post subject: Re: EL overheating problems
Posted: Sat Jul 04, 2009 1:35 pm 
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Ride: el fairmont ghia

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i un plugged the coolant sensor as you suggested the car went in to a fast idle approx 1500 rpm and the fans kicked in the high gear i ran the diagnostics through the cluster and at one point the car hit 98 deg and thermos did not come on so i have no idea whould a davies craig controller be a worth while investment ???
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 Post subject: Re: EL overheating problems
Posted: Tue Jul 07, 2009 10:40 am 
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Problem Found !!!!! have blockage in the radiator which is trapping coolant in the system found the bottom part of the radiator to be stone cold which is just enough to keep the coolant sensor happy and not turn on the thermos apparentl with the cast iron block over time it creates sediment which jams up the veins in the radiator so once again thanks for all your help till next time safe motoring
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 Post subject: Re: EL overheating problems
Posted: Thu Jul 09, 2009 3:14 am 
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arm79 wrote:
The high speed fan relays have probably crapped themselves. You may need to replace them.


Sorry for jackin :-) My fans stay at constant speed in the EF1 ghia V8, they do not vary as the fans do in the EF 2 ghia 6- as temp goes up or A/C is operated.

High speed relays you think?

These the ones near battery?

 

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