Electric rad fan query

Post any technical questions or queries here.
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bluemin
850 Super
Posts: 128
Joined: Sun Jun 27, 2010 4:13 pm

Electric rad fan query

Post by bluemin »

Temp (according to the gauge) is fine running at 50/60mph. Haven't tried long high speed running. As soon as you slow down however to 30/40 the gauge creeps upwards.

Now as regards the electric fan this seems to make not one whit of difference. A check of the fan however shows that it sucks air INTO the engine compartment. Surely this is wrong and it should suck air OUT OF the engine compartment. :? :? :?

I'm also thinking of a duct in the A panel to help the flow of air. Sparrows WNX ran such.

Comments please. :)
guru_1071
1275 Cooper S
Posts: 2109
Joined: Thu Jun 24, 2010 7:47 pm

Re: Electric rad fan query

Post by guru_1071 »

it should definatly be pulling the air through the rad and out the inner wing
please note, these are my own, individual sales, nothing whatsoever to do with my employer, minispares
andy1071
998 Cooper
Posts: 268
Joined: Thu Mar 24, 2011 8:04 am
Location: Sweden
Been thanked: 1 time

Re: Electric rad fan query

Post by andy1071 »

Don't trust the temperature gauge. They can be a bit random. Best check is to use temperature strips, such as:

http://www.raceparts.co.uk/products/bra ... +paint+kit
http://www.essexparts.com/brake-caliper-strips.html

Venting into the wheel-arch is always a problem (though there's not much choice!), as it tends to be a high pressure area. And is not helped by lowering / big wheels etc.
bluemin
850 Super
Posts: 128
Joined: Sun Jun 27, 2010 4:13 pm

Re: Electric rad fan query

Post by bluemin »

Well that probably explains the problem with the fan then. :roll: Hear what you say about the gauge but it appears to be OK. Might check though.

Any comments on the A panel vent? I did look at Carbonweazels vents but the price was a bit pricey. Any suggestions on a cheaper alternative apart from making my own...............bearing in mind my standard of expertise :oops: :oops: :oops: :shock: :shock:
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medwaybeat
850 Super
Posts: 176
Joined: Fri Jun 25, 2010 10:51 am
Location: Kent

Re: Electric rad fan query

Post by medwaybeat »

After the gauge I’d look at the cooling system, check the stat, flush the system, clean the crap out of the matrix, add some water wetter, check the water pump, try a better rad. etc. etc. before chopping holes in the shell.
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