Reply With QuoteOriginally Posted by Bulldog
So what did it have before that then
Master
Added the electric fan myself after overheating probs and after recored radiator...
TopicToaster
So what did it have before that then
95 300 Tdi Defender 90
99 300 Tdi Defender 110
92 Discovery 200tdi
50 Series 1 80
50 Series 1 80
www.reads4x4.com
Master
Fan belt driven fan in engine bay. Still there. Electric fan is extra in front of rad...
TopicToaster
AHH ok so you have still got a fan in couling and a fan on the front of the rad.
mmmm how big is the fan on the front whoopps ok already said 10-12 inches. mmmmmm not very big fan do you have one or two
How does it work . ie is it on all the time or what
95 300 Tdi Defender 90
99 300 Tdi Defender 110
92 Discovery 200tdi
50 Series 1 80
50 Series 1 80
www.reads4x4.com
TopicToaster
How close is the fan to the rad.
95 300 Tdi Defender 90
99 300 Tdi Defender 110
92 Discovery 200tdi
50 Series 1 80
50 Series 1 80
www.reads4x4.com
Master
Switched manually from dash - i've always got my eye on the temp guage and i switch it in before it gets too warm. Didn't want to add too much stuff to block up the front of the radiator...
Master
Rangies are natorious for over heating. If the radiator was done 2 years ago you would almost be able to eliminate it from the causes ( unless you just use water in which case it could be scale build up).
If its fan is original then i would leave it alone, its done scince it was built .
Some things I would be looking at would timming if its to far retarded it will over heat.
fuel mixtures.
oil levels.
thermostat check it opens at the right time from memory its 89 degrees.
I wouldnt think head gaskets it would be having more serious probs by now.
does it actually use water?
In car heating system.
check for leaks
check to ensure the cap pressurises the system (rover engines need to presurized to stop premature boiling).
When it boils if you switch the heater n will the temp come down?
Electric fans are far more efficiant to drag air through the radiator not push.
The fan blades of the thermo fan may need to turned over, symply reversing polarity wont ensure maximum flow from them.
TopicToaster
To work the fan should be almost touching the rad. Any gap will make it not work very well
95 300 Tdi Defender 90
99 300 Tdi Defender 110
92 Discovery 200tdi
50 Series 1 80
50 Series 1 80
www.reads4x4.com
Master
The electric fan is almost touching the rad (3mm). Heater makes little difference to temp when hot. Water is almost always full, maybe down 1/2 a litre sometimes - except when it boils and looses a few litres...
TopicToaster
mmmmmmmmmmm
Ok then i would drain the water and replace the thermostate with a low temp one. You can get a normal which is 88 degrees but you can get a 79/ 80 ish degree one. Then rep-lace the water and coolant and try again. will not cost alot but will sort that out and moved on to the next if that does not work.
And get it tuned as the same time. As said before if it is out of timing that will cause it to over heat.
95 300 Tdi Defender 90
99 300 Tdi Defender 110
92 Discovery 200tdi
50 Series 1 80
50 Series 1 80
www.reads4x4.com
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