Discussion
Yes,
Flush it all out, have a look at the radiator to see it's not blocked up, change the thermostat anyway, flush the heater matrix as well by connecting the garden hose onto the end of one of the heater hoses and running full pressure through (with the rad. cap off, of course), check the fan belt tension, re-fill with clean water and test it all. Ideally use an 82 degree stat.
The heater should give out a good heat if it's a later car.
Flush it all out, have a look at the radiator to see it's not blocked up, change the thermostat anyway, flush the heater matrix as well by connecting the garden hose onto the end of one of the heater hoses and running full pressure through (with the rad. cap off, of course), check the fan belt tension, re-fill with clean water and test it all. Ideally use an 82 degree stat.
The heater should give out a good heat if it's a later car.
Funny you should mention this. I've just been showing a lad in our village which way round to fit the fan on his car. He didn't know that there is a right and a wrong way
The air is blown through the radiator from inside the engine compartment and, as the engine rotates clockwise when viewed from the water pump end, the fan must have its blades set so that it pushes the air through the inner wing. The shape of the blades should be self-evident then.
I hope that this is understandable. By the way, if anyone still has one of the 16-blade metal fans, change it if you intend using any serious revs to avoid what is known as 'cascade effect' or 'disking' where the high revs make the fane, effectively, one solid disk with no through-flow of air. Tbest fans are the 6-blade export ones, but they are a bit noisy.
Right, that's me done, now I'm off on holiday for a week. Happy Mini-ing to you all!
The air is blown through the radiator from inside the engine compartment and, as the engine rotates clockwise when viewed from the water pump end, the fan must have its blades set so that it pushes the air through the inner wing. The shape of the blades should be self-evident then.
I hope that this is understandable. By the way, if anyone still has one of the 16-blade metal fans, change it if you intend using any serious revs to avoid what is known as 'cascade effect' or 'disking' where the high revs make the fane, effectively, one solid disk with no through-flow of air. Tbest fans are the 6-blade export ones, but they are a bit noisy.
Right, that's me done, now I'm off on holiday for a week. Happy Mini-ing to you all!
rich 36 said:
Wrong way around?
which way should it b e
pull air through rad-via inner wing or...
which way should it b e
pull air through rad-via inner wing or...
Note that fitting fan back to front will not change the direction of airflow! You can only do that by reversing it's direction of rotation. However, if fitted on the wrong way the efficiency of the fan is much reduced as the blades (usualy) have a non-symetrical aerofoil section.
mooncat said:
Pop in some flushing material and then flush it all out, stick a new thermo in if needed....
I was going to suggest that. My old one had given up the ghost and so my poor little car couldn't tell me when she was too hot! All better now though thanks to the rad being completely drained (WARNING: It stinks!
) and a new thermo fitted 
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