Heater fan motor

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Denny A Contact options for registered users 's Avatar posted on
November 27, 2011, 11:43 pm
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I have a 91 240.  Recently the heater/AC fan has started squealing
intermittently which will often stop if I switch the fan up to a
higher speed and then back down.  Well, that was working but this
weekend on a long road trip it was squealing more often than not to
the point where I pulled the #3 fuse which controls the fan.  Weirdly
the squealing continued for several minutes until I turned the control
switch up to 3 at which point it stopped.  I know Volvo's have a
"continuous flow" ventilation system and so was wondering if it
actually has 2 fans to move the air around or just the one and if 2 is
there anyway to disconnect the continuous one which seems to be the
problem.  Years ago I changed the fan motor on my 1980 240 and I'll
not be doing that again.  Has to be one of the most difficult things I
ever attempted.

Thanks

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Tim McNamara Contact options for registered users 's Avatar posted on
November 28, 2011, 1:34 am
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Re: Heater fan motor

In article


I don't know the answer to that but I had a odd thing with my fan never
shutting off, till I finally realized that the A/C switch was on.  If
rotated all the way to the end of its range it nearly points at the
"off" position; I thought it was off but it wasn't (1990 240, the switch
in my wife's '93 240 is different and this wouldn't happen; yours may be
different than mine as well).  Since the A/C hadn't worked in years,
there was no blast of cool air to cue me about this.


Some wit once commented that a 240 is a blower motor with a car built
around it.

--
Your time is limited.  Don't waste it living someone else's life.

Steve Jobs 1955-2011

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Zaphod Contact options for registered users 's Avatar posted on
December 4, 2011, 3:09 pm
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Re: Heater fan motor

On Sun, 27 Nov 2011 20:43:52 -0800, Denny A wrote:


I don't know how different the 240 is from a 740, but my replacing the
heater core on my 740 was a crazy job.  I'm sure I could rebuild a
Volkswagen Beetle engine faster than replace that heater core.

 

Mr. V Contact options for registered users 's Avatar posted on
December 9, 2011, 10:14 pm
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Re: Heater fan motor

Oh, but a garden of earthly delights awaits he who replaces his heater
blower motor in a 240.

I've done it twice, and I strongly advise you to remove the dash as
part of the process.

Royal PITA, ubetcha!

These cars are pretty easy to work on, all except for the heater
motor / fan.

see ...

http://cleanflametrap.com/#links

 

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