Perfect...yes I do notice the SAME thing when it is cold. Thanx for the info
Tony
""TonyC"" <acellan1@tampabay.rr.com> wrote in message
news:005301c11764$e6cdcce0$c8622241@a.tampabay.rr.com...
> The fan is connected thru a viscous coupler to the pulley. This viscous
> coupler is liquid filled.
> When the liquid is warmed up (higher engine temp, underhood temp, etc) it
> becomes thicker
> which in turn causes the fan to slip less, which equates to faster fan rpm
> and that noise you hear.
> You may also notice this on cold startup. This is normal. If you need to
> check the coupler,
> (with the engine off!!) spin the fan by hand, if the fan will spin more
than
> 5 rotations, replace it.
>
> And yes when it does engage, it will take more power to turn it.
>
> TonyC
>
> -----Original Message-----
> From: (MAGNUM S/T) <hoegen@kersur.net>
> To: dakota-truck-moderator@bent.twistedbits.net
> <dakota-truck-moderator@bent.twistedbits.net>
> Date: Saturday, July 28, 2001 8:36 AM
> Subject: DML: Stock fan....
>
>
> >I posted earlier about all the noise my fan was making, but I don't think
I
> >emphasized the info I was lookin for. I have no doubt the IAT adjuster
will
> >do wonders and plan on getting it...I'm more interested in the stock fan
> >though.
> >
> >I'd like to know what the heck all the noise is occasionally when I
drive.
> >It seems that every once in awhile the fan kicks in and in so doing I get
a
> >loss of HP......is this just my imagination? I know diddly about the
stock
> >fan's operation, but I had assumed that it is simply belt driven and is
> >continuously running, so why do I occasionally get all that "fan" noise
as
> >if it is kicking into high gear?
> >
> >...my apologies for my lack of technical abilities
> >
> >lastly, will an electric fan rid me of these symptoms?
> >
> >Thanks again
> >
> >
>
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