C

cpa

Active Member
I've changed the water pump - which was leaking - and done the fan last year - but for some reason the thing now gets hot going up steep hills. Ditchling Beacon in Sussex - with four bikes on the rack. Temp gauge goes up nearly to the max but not hot enough to trigger the red light. Drops back down to the usual mid point once over the hill. Otherwise no problems with cooling. I can't believe the fan assembly has already gone after only 8 months. Any ideas most appreciated.
 
cpa said:
I've changed the water pump - which was leaking - and done the fan last year - but for some reason the thing now gets hot going up steep hills. Ditchling Beacon in Sussex - with four bikes on the rack. Temp gauge goes up nearly to the max but not hot enough to trigger the red light. Drops back down to the usual mid point once over the hill. Otherwise no problems with cooling. I can't believe the fan assembly has already gone after only 8 months. Any ideas most appreciated.
Click to expand...

Have you done the rolled up newspaper test on the fan with the engine hot? If you can stop it then it's fecked.
 
How's the rad? Is it getting hot all over? If it's sludged up or the baffle has failed you've lost the effect of the bottom of it so the fan hasn't got much area to cool.
 
A sludged up RAD will also stop the fan viscous coupling from engaging, it must heat up all over.
If the new fan was ****part, 8 months is as much as you can expect.
Sort the problem and I can give you a mod to use the aircon fans for cooling.
 
Went for 40 min drive. Temp gauge rock steady in middle. Rad hot all over. Did the rolled newspaper test - stopped the fan easily. But as it was running at normal wouldn't this be the case anyway ? Surely kicks in when over-heating?
 
cpa said:
Went for 40 min drive. Temp gauge rock steady in middle. Rad hot all over. Did the rolled newspaper test - stopped the fan easily. But as it was running at normal wouldn't this be the case anyway ? Surely kicks in when over-heating?
Click to expand...
If you can stop the fan when the system is up to temperature, the viscous unit is fecked.
If the fan is doing it's job it should never get near to overheating.
 
As Datatec said your v/c is fecked. If you don't want to replace it then pm Datatec for his a/c fan mod. You don't need the v/c fan or rad cowl with his mod, only do the mod if the cooling system is ok, it should not be used to mask a problem.
 
any recommendations on where to get a good value fan - one which will last more than 8 months?
 
cpa said:
any recommendations on where to get a good value fan - one which will last more than 8 months?
Click to expand...
Island 4 x 4, just don't buy Britpart. However, if your car has aircon, I can give you a mod to use the aircon fans for cooling, then you don't need the engine driven fan.
 
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