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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
cobravenom71
Gearhead

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
Gearhead

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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Fastback68
Gearhead

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.
Simon

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