a/c fans

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Devlin

New Member
Posts
201
Location
Isle of Arran
Has anyone tried this, I have removed my cooling fan as a experiment, however, can the a/c fans be wired to come on without the a/c pump becoming live I have had a look at the wiring diagram and it seems there is a couple of diodes in series one for the condenser fan relay and one for the condenser fan timer but as usual there is insuffiecent info to make a informed decision, any one ?
Dev
 
yes

is yo disco petrol or doozil?

think yu can either bridge across the engine temp switch or supply power to output of the switch.
 
Last edited:
It's a diesel, I am going for max fuel effiency and the standard fan eats a lot of HP, and engine temp is steady at the N setting, new belts, stat, like I said it's just as a comparison, nothing scientific & engine seems to pull a lot better with it off
Dev
 
Devlin said:
It's a diesel, I am going for max fuel effiency and the standard fan eats a lot of HP, and engine temp is steady at the N setting, new belts, stat, like I said it's just as a comparison, nothing scientific & engine seems to pull a lot better with it off
Dev
Click to expand...


You will find that if your viscous unit is good, then they do not eat HP as they slip most of the time. Generating the power for leccy fans is not free either. This has been tested many times. I have even tried for myself. What they do do is to keep a slow flow of air through the engine bay when idling which leccy fans dont do, this keeps the temps down in there when sitting in traffic etc. stops the turbo heat from softening the pipes etc.

Naturally, kudos to you for wanting to get max of your engine etc, but honestly it has been discussed to death;):)
 
Unfortunately the power to drive it is free, because if you don't need to turn it on, then you aren't using any power. A 200TDi is overcooled and rarely, if ever, needs fan cooling. Also if you need to go through water, you can turn it off.
As stated above it has been argued to death. Lots of peeps don't use the viscous and never have any probs. At the end if the day it's personal preference. If yu want to try it, go for it. Make a valued judgement based on your own experience and don't listen to the biased opinions of others.
 
Nothing wrong with taking advice based upon others experiences proved by practical experiment.

Of course try it, but be aware that if your system is not 100% then a cooked engine is one downside. Land Rover put them on there for a reason, and yes i do know that these vehicles are designed to tow 300 camels across the Sahara on a one-wheeled trailer whose tyre is also flat.
 
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