Vehicle & Technical > Discovery

Changing fans

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lee celtic:
I have a Vectra SRI cooling fan behind the rad and and a Vectra SRI aircon fan in front of the rad both are twin speed and both are off a manual switch and it cost nothing (lad at work was scrapping it) :dance:

I need two as I don't have many fins left :'( (ok most of the time but not towing,looking for a better rad if anyone has one  :D)

crazymac:

--- Quote from: muddyjames on September 25, 2008, 21:30:46 ---
--- Quote from: crazymac on September 25, 2008, 20:37:16 ---Fuel saving?? not convinced.


--- End quote ---

This was number 1 saving in LRO this month!

I am not sure about no fans at all. I have seen the temp guage rise to max when towing once as the rad was old and grimey. I think I would be a bit unsure about and constantly looking at the guage more than I do now!!

I have air con fans but aircon is broken. How easy is it to wire in these fans then and do they do the same job as a fan the other side of the rad?

--- End quote ---

They're already wired up for it! Its a safety feature thats built in. I first noticed it when I had my viscous fan still fitted but the fans came on one day so I realised my viscous one wasn't working (when the engine was hot there was no resistance in the fan) I also had a blocked rad. So I took the viscous one off and got the parrafin into the rad and gave it a really good clean. While I was trying to buy another viscous fan from Ebay I was still running around doing all my normal things without the engine temp rising above the quarter so I never replaced it.

BigA:
I read the same and was considering this, also discovered that my viscous unit has gone and my fan is wobbling around a fair bit. After some consideration, and having read other posts on here in the past i have decided to replace the viscous, and now have one and about to fit.

I would not trust myself with just an on/off switch and have heard and read about many issues with fitting the thermostat type switches.

I am about to fit new inter-cooler hoses, and flush my inter-cooler, and do my tappets, wit the hope of reducing black smoke and fuel consumption.

Just my bit.

Andy

Range Rover Blues:
James, if you car has airconn then it will automatically switch the pusher fans on if the engine gets too hot, there is a thermoswitch in the thermostat elbow that does this, you could either use it to switch bigger fans on or remove the air conn rad but leave the 2 pusher fans in place.

On later models though the 12" fans were replaced by 10 inch fans, these couldn't blow the froth off your coffee :roll:

muddyjames:
will they still work though as my air con is well caput. The wiring has been ripped off the compressor after a belt shredded before I bought the disco etc. The 2 wires from the same elbow of the water thermostat are still there as I put them there when I changed the engine over. I have never seen them running though.

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