[DeTomaso] Heater blower motor
Tomas Gunnarsson
guson at home.se
Mon Jul 13 11:51:05 EDT 2009
Seems like the Air-tique company folded:
http://www.chevytalk.org/fusionbb/showtopic.php?tid/219876/
Tomas
----- Original Message -----
From: <MikeLDrew at aol.com>
To: <lplugw at hotmail.com>; <detomaso at realbig.com>
Sent: Monday, July 13, 2009 5:42 PM
Subject: Re: [DeTomaso] Heater blower motor
> In a message dated 7/13/09 4 58 4, lplugw at hotmail.com writes:
>
>
>>
>> Gentle People,
>> My heater blower motor has been acting funny, sometimes requiring I stick
>> my finger into the opening to give the squirrel cage a little spin to get
>> her going.
>> It finally quit completely Friday. I would guess the brushes are gone or
>> hanging up.
>> Are the motors rebuildable? If not, does anyone have a spare? (my car-74L
>> #7102)
>> How much fun are they to get out from under the dash? Doesn't look too
>> bad. How do the blower outlets tie into the heater box? Anything special to
>> watch out for so I don't snap off some piece of plastic somewhere?
>> Thanks in advance,
>>
>
> Ah, you are in for a treat! Reportedly getting the heater motor out of
> the car is one of those 'special' jobs that you will remember for a long time!
> I've never done it and hope I never have to. Jack has done it (and
> written about it) and I'm sure he'll chime in with good advice.
>
> You can take consolation in the fact that the new fans are much, much
> better than the old ones. The old fan is a single-speed unit, whose speed is
> stepped down through the use of a resistor grafted to the side (top?) of the
> heater box. That itself can become problematic, and Chuck Engles reported
> here years ago that his became seriously overheated to the point of smoking.
>
> The new fans are three-speed units, with the speed controlled from within
> the fan itself. They have four wires--a ground, and three individual power
> wires, each of which controls a different speed. You get to choose which
> two of the three speeds you want (since your stock switch will only support
> two speeds, and 'off'. Once you've done that, it then becomes a very
> straightforward matter to wire the fan to the switch.
>
> Although all the Pantera vendors sell a replacement fan, it's often quite
> expensive. The Gearhead Database (bless you Bill Taylor) has this to offer:
>
> http://www.air-tique.com/fittings.html Three Speed bolt in replacement
> heater/AC fan Air-Tique (PN AT-4320) for $28.28 separate speed windings
>
> I can't get their website to load at the moment; whether it means the
> company is bust, or just suffering internet problems, I don't know.
>
> Steve Hawkins in Houston had a source for replacement fans, and I got one
> from him and it was perfect (for somebody else). Steve?
>
> Mike
>
>
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