AC fan on 89 Accord
 

So far so good on my head gasket replacement. In the process I discovered
that my PCV valve was shot and plugged up. After replacing that and the head
gasket, I'm not using or leaking oil any where near as much.

I disconnected and removed the AC compressor, since it didn't even have a
clutch on it. Don't really need it anyway. I was thinking that I read
somewhere that the AC fan is supposed to come on after the engine is shut
off, to cool the radiator down. Is that true and is that only if the AC
happens to be on at the time and if the engine is hot ? Or did I just dream
that? Anywhooo ... I was wondering if it could be coupled with the regular
fan and have extra cooling ... or would that be too much current draw on the
circuit ? I suppose one could use a toggle switch and a solenoid to make it
manual. It would be nice to have extra air flowing through the radiator for
those occasional, long, slow, steep climbs up a mountain road on a hot day.
Any thoughts on that?

Re: AC fan on 89 Accord
 

"Forrest" <REMOVETHISrunforrest1@gmail.com> wrote in message
news:UJfEk.1981$D32.415@flpi146.ffdc.sbc.com...
> So far so good on my head gasket replacement. In the process I discovered
> that my PCV valve was shot and plugged up. After replacing that and the
> head gasket, I'm not using or leaking oil any where near as much.
>
> I disconnected and removed the AC compressor, since it didn't even have a
> clutch on it. Don't really need it anyway. I was thinking that I read
> somewhere that the AC fan is supposed to come on after the engine is shut
> off, to cool the radiator down. Is that true and is that only if the AC
> happens to be on at the time and if the engine is hot ? Or did I just
> dream that? Anywhooo ... I was wondering if it could be coupled with the
> regular fan and have extra cooling ... or would that be too much current
> draw on the circuit ? I suppose one could use a toggle switch and a
> solenoid to make it manual. It would be nice to have extra air flowing
> through the radiator for those occasional, long, slow, steep climbs up a
> mountain road on a hot day. Any thoughts on that?
>

The ac system will demand fan activity as it requires. So will the engine
cooling system. If you've removed the compressor, the ac system won't demand
fan activity any more, but this won't interfere with engine demand for
fans(s), which should already run the fans flat out if it is needed. Running
the fans more than they are needed won't help (but will increase fan wear
and electrical demand). So I'd just leave it alone, if you see the engine
temp going too high, you have a simple fault with the engine cooling system.


www.poolecool.co.uk

Re: AC fan on 89 Accord
 

Forrest wrote:
> So far so good on my head gasket replacement. In the process I discovered
> that my PCV valve was shot and plugged up. After replacing that and the head
> gasket, I'm not using or leaking oil any where near as much.
>
> I disconnected and removed the AC compressor, since it didn't even have a
> clutch on it. Don't really need it anyway. I was thinking that I read
> somewhere that the AC fan is supposed to come on after the engine is shut
> off, to cool the radiator down. Is that true and is that only if the AC
> happens to be on at the time and if the engine is hot ? Or did I just dream
> that? Anywhooo ... I was wondering if it could be coupled with the regular
> fan and have extra cooling ... or would that be too much current draw on the
> circuit ? I suppose one could use a toggle switch and a solenoid to make it
> manual. It would be nice to have extra air flowing through the radiator for
> those occasional, long, slow, steep climbs up a mountain road on a hot day.
> Any thoughts on that?
>
>

one fan is fine. if you have a car that doesn't have a/c fitted, that's
all you get and it works perfectly.

i'd get rid of the surplus weight, not just of the fan, but the heat
exchanger under the dash too - your air blower will work a lot more
effectively.