Re: GTV6 cooling solved (GTV6 cooling enigma follow up)

[George Graves <gmgraves@xxxxxxxxxxx>]

That's very interesting. Did you call IAP and tell them That their fans 
were wired backwards? They would be very interested to know that, I'm 
sure. I am also surprised that the fans don't include the shroud. On 
many GTV-6 fans (like the ones which came on my '86) the motors are not 
separate from the shroud (housing), but actually part of it -I.E. the 
fan housing is also the case for the motor, and you cannot really take 
the motor off of the shroud. I wonder how IAP handles those fans?

At any rate, I found what I think is a better solution - a Milano (75) 
fan. When I had a 3.0 liter V-6 installed in my GTV-6, earlier this 
year, I found that the passenger-side fan was running slowly and 
drawing tons of current. I looked in all the usual places for a new one 
(IAP's new catalogue, listing replacement GTV-6 fans for the first 
time, had not arrived) Alfa Parts didn't have any, neither did AR 
Ricambi. APE told me that GTV-6 fans went out the door as fast as they 
came in. OTOH, I was told, Milano fans didn't sell at all (which 
obviously meant that they never failed[?]) and those were available. 
Well, I got one and we cobbled together (not difficult, really) a 
bracket out of some flat stock which picked up the four inboard 
mounting holes on the radiator for the two original fans. I find that 
the single Milano fan actually pulls more air than did the two GTV-6 
fans, and since they seem reliable (APE said they never had any any 
call for the Milano fans, unlike the GTV-6 puppies), this appears to be 
the way to go with this particular problem.

George Graves
'86 GTV-6 3.0S



Anyway, Josh, I'm glad you solved your cooling problem
On Sunday, Jul 20, 2003, at 23:49 US/Pacific, alfa-digest wrote:


> Date: Sun, 20 Jul 2003 08:37:38 EDT
> From: Alcon98340@domain.elided
> Subject: GTV6 cooling solved (GTV6 cooling enigma follow up)
>
> First, let me thank everyone for their suggestions. A friend of mine
> ultimately solved my problem this Saturday. It did turn out to be the 
> IAP fans,
> although not with their functionality. They were mounted correctly, 
> but it turns out
> that the preinstalled electrical connectors had the polarity reversed. 
> The
> connectors can only be plugged in one way so I didn't suspect that 
> they might be
> wired "backwards" from the vendor. This merely teaches me (again!) 
> that one
> must not rule out anything when troubleshooting a problem. A simple 
> test to
> actually check fan flow direction (instead of trusting the hot air on 
> one's hand)
> is to use a piece of paper. Simply stick it down near the fans when 
> they're
> on, and it should be pushed away from it. If it's sucked towards it, 
> then you
> have a problem. So if anyone else wants to use the IAP OEM style fans 
> for the
> GTV6, they have my functional approval, although I didn't care for the 
> mounting
> setup (reuse the stock housings if you are able to). Just make sure to
> actually test the airflow direction. It is a relatively simple 
> procedure to use a
> small flat blade screwdriver to remove the electrical connectors from 
> the
> plastic housing and reverse them if the flow is incorrect. Make 
> certain to push the
> metal tang back out on the connectors with the screwdriver so that 
> they will
> stay put when you reinstall them back into the plastic housing. 
> Although it
> seems obvious now, I didn't think about the simple paper flow test. 
> Hopefully my
> embarassment will save someone else some grief down the road. Thanks 
> again to
> all those who responded with suggestions.
>
> - -Josh (feeling sheepish)
> '84 GTV6 (cool again!)
> '71 1750 Berlina (bad slave cylinder)
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