Vehicle & Technical > Defender

Viscous Fan Issue

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Bob696:
water pump?

tim-green:
Had a new one of those fitted as well  :?

Wolfie:
Is it actually running hot, or is it just that the gauge is reading 3/4? My '92 200tdi Defender has, for as long as I have owned her at least, read about 3/4 without any problems.

Could well be worth seeing what the temperature that the car is actually running at is.

It is not a good idea to run without the thermostat as it alters the water flow in the engine and can cause hot spots.

Tango:
Ok heres the facts for you do what im going to do in the very near future and remove the fan and put on a decent electric one. I have the same problem its common. I can run quite happily at 45/50 mph but as soon as I push it on a very long run it goes upto 3/4. If you are running a 2.5TD motor like mine. having a electric fan on the front will sort out 2 issues first of all the orgianl fan is to far back to have any major play on the engine temp at all. I tested it myself could not feel any airflow with the car reving full. So my advice is buy a electric one and slap it on should go on without any major problems and also will keep the temp down. BTW mine prefers offroading to being on the motorway will only go up 1/4 in the mud funny that one  :lol:

dreadnought110:
I had severe coolling issue's just latley i have had faulty gauge's a half blocked rad  and a head gasket problem all probably down to the rad??? anyway i have fitted an electric fan and after my trip to wales i'am dumping it!! Solo not a problem works fine put the caravan on the back and it just can't cope :?  :?  so viscous going back on tommorow!! p.s i am running a brand new gauge and sender..... Oh and this is on a 300tdi uprated intercooler etc..

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