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  '64 1/2 to '73 -- The Classic Mustang
  Heater/AC fan replacement

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Author Topic:   Heater/AC fan replacement

Posts: 680
From: Kissimee, Fl USA
Registered: Aug 2002

posted 11-21-2002 06:35 PM     Click Here to See the Profile for cobravenom71   Click Here to Email cobravenom71     Edit/Delete Message   Reply w/Quote
Does anyone have firsthand experience in replacing the blower-motor for the heater/AC unit on a 71-73? Mine is squeaking terribly on both my Mach and my Grande.
I have heard that it is considrably more difficult on a car that is equipped with factory AC, as opposed to a non-AC car. Any hints woulkd be appreciated.


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69 Sportsroof

Posts: 1141
From: Valley, Alabama, USA
Registered: Mar 2002

posted 11-21-2002 09:54 PM     Click Here to See the Profile for 69 Sportsroof   Click Here to Email 69 Sportsroof     Edit/Delete Message   Reply w/Quote
That info would help me out too. The fan in my non A/C 69 rattles terribly and puts out little air.

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Posts: 1564
From: Sucat, Paranaque, Philippines
Registered: Jul 99

posted 11-21-2002 10:20 PM     Click Here to See the Profile for Fastback68   Click Here to Email Fastback68     Edit/Delete Message   Reply w/Quote
If it's anything like my 68 with factory AC, the theory is very simple. The practice is another matter.
I just gave my blower a good clean and oiling, but my entire dash is out.
If I was attempting to oil the sucker without removing the dash (and this is on a 68, mind you), I would probably remove the center piece of the dash where there's a vent for the AC. Behind that is the main body of the vent connected to the blower by a flexible rectangular hose. With that vent in the open position, you could possibly feed a long tube from your WD-40 inside the blower fan and give it a good squirt.
Rattling is another matter though, Sportsroof, and if your system is putting out little air, it could also be that the connecting hose is bust or poorly connected.

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