[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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