Re: Testing a Fan Clutch

[Dave Casey <dcasey@xxxxxxxxxxxxx>]

A thermostatic clutch will have an exposed bi-metallic strip (looks like a 
wound up clock spring, similar to what was used on the old exhaust manifold 
valves).

Dave Casey

----- Original Message ----- 
From: "Bill" <Y1TopBanana73@xxxxxxxxx>
To: <1962to1965mopars@xxxxxxxxxx>
Sent: Tuesday, May 01, 2007 5:46 AM
Subject: Re: Testing a Fan Clutch


> I have several...one spins freely while cold (bad I'm sure), one spins
> freely in one spot (also bad I'm sure) and the rest seems to have
> consistent resistance, but will still spin.
>
> How do I tell the difference between a thermostatic and a mechanical 
> clutch?
>
> Bill M
> 65 Coronet 500 'vert
>
>
> On 5/1/07, Dave Casey <dcasey@xxxxxxxxxxxxx> wrote:
> > A thermostatic fan clutch should slip with a little resistance when cold,
> > and be tighter after the engine has warmed up (shut off the engine before
> > you check it :-p ).
> > A mechanical fan clutch will always give when you test it by hand.
> > In either case, front to back wobbling is bad.
> >
> > Dave Casey
>
> > > Bill M
> > > 65 Coronet 500 'vert
>
>
> ----
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----
Please address private mail -- mail of interest to only one person -- directly to that person.  I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic.  Thanks!

'62 to '65 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html.