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Author Strange one (rad fan)
Kurt
Member

Registered: 23rd Oct 05
Location: Hi
User status: Offline
27th Sep 08 at 21:48   View User's Profile U2U Member Reply With Quote

ok so earlier i noticed the switch i had wired up for my rad fan wasnt working... i let the car warm up and voila no fan kicked in.. checked the fuses.. 5 in from the left on the bottom row and it looked fine.. swapped it anyway and fan kicked in..

Not sure if the switch was working as the fan was already on.. but the switch doesnt work now.. need to let the car sit and get hot to check if its working still..

where is it meant to kick in? after 100? what things should i check after the fuse again? anything common that causes fuses to go?
luke85
Member

Registered: 26th Nov 07
Location: Chesterfield
User status: Offline
28th Sep 08 at 09:25   View User's Profile U2U Member Reply With Quote

If the fan is stiff or old then it can start blowing fuses, let it warm up and see if it works again, its it easy to spin by hand?
barneykarl
Member

Registered: 29th Jul 06
Location: Stevenage
User status: Offline
28th Sep 08 at 09:34   View User's Profile U2U Member Reply With Quote

Could be the fan motor as luke85 said , replace the switch, mine cuts in at 93ish if yours does not cut in till over 100 then you have a problem.
Forbes789
Member

Registered: 19th Sep 07
Location: Buckie, Moray
User status: Offline
28th Sep 08 at 14:16   View User's Profile U2U Member Reply With Quote

my fan doesnt cut in till between 100 and the red line

is that a problem then??
barneykarl
Member

Registered: 29th Jul 06
Location: Stevenage
User status: Offline
28th Sep 08 at 15:28   View User's Profile U2U Member Reply With Quote

Well I would not be happy with that if it was mine, I would change the rad switch and the stat and flush the system, prevention is better than a cure like a blown head gasket.
Forbes789
Member

Registered: 19th Sep 07
Location: Buckie, Moray
User status: Offline
28th Sep 08 at 16:38   View User's Profile U2U Member Reply With Quote

yeah, switch at the bottom of the rad, and what else?? already changed the 2 sensors on the left of the block beside the left colant hose,
Kurt
Member

Registered: 23rd Oct 05
Location: Hi
User status: Offline
28th Sep 08 at 19:41   View User's Profile U2U Member Reply With Quote

well i went out to the car this morning.. started it up... pressed my fan switch and it came on and its been cutting in by itself in traffic too... Seems to have cured itself
sand-eel
Member

Registered: 15th Mar 07
Location: carluke/braidwood--IRNBRULAND
User status: Offline
28th Sep 08 at 19:54   View User's Profile U2U Member Reply With Quote

mine cuts in at 95
ali_corsa
Member

Registered: 30th Jun 07
Location: Tamworth Drives: Focus st
User status: Offline
28th Sep 08 at 20:25   View User's Profile U2U Member Reply With Quote

if you have wired up a switch to turn it on when ever you want make sure the wires havent chaffed and touching causing it to blow fuses

 
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