Blower Motor/Fan not fitting - Team Camaro Tech
Tech 2002 General Tech questions from 2002
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post #1 of 7 (permalink) Old Sep 19th, 02, 10:42 AM Thread Starter
 
Join Date: Mar 2002
Location: Pleasanton, Ca. USA
Posts: 11
I just installed a new heater box in the engine compartment on the firewall and was about to install the new blower motor and fan, but for some reason it won't fit! The blower motor and fan are ~3/8" too deep to seat up against the heater box. Am I missing something here?? This is for my 69 that did not have a heater box at all, just a custom fit cover for the hole in the firewall (which explains why my heater never worked). Thanks!
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post #2 of 7 (permalink) Old Sep 19th, 02, 10:51 AM
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Jeff
 
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do you have all the correct seals installed??


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Jeff 67/68(2) & 69 RS's
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post #3 of 7 (permalink) Old Sep 19th, 02, 06:02 PM Thread Starter
 
Join Date: Mar 2002
Location: Pleasanton, Ca. USA
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The only seals I've seen are for under the dash and I need one for the heater box firewall cover. I've looked in both Rick's and Classic Industry, both do not mention a firewall seal.
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post #4 of 7 (permalink) Old Sep 20th, 02, 02:05 AM
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Mark
 
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Location: Shrewsbury, MA, USA
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Is the fan cage hitting the firewall?

If so, do you have the right blower fan installed. There are two, one for A/C and one for non A/C. The fan cage may be deeper (longer) on an A/C fan than a non A/C fan, I've never compared two side by side though.

I've got a non A/C fan sitting up in my attic that I can measure the depth of if needed.



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Mark Canning
1969 Indy Pace Car
350/300HP RPO Z11
My 69 L48 - 350/300HP Engine
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post #5 of 7 (permalink) Old Sep 20th, 02, 08:02 AM Thread Starter
 
Join Date: Mar 2002
Location: Pleasanton, Ca. USA
Posts: 11
The fan I bought from Rick's measures 2 3/4" and the total depth from the mounting surface of the motor to end of the fan is 3 3/8". Rick's never mentioned an option of a different fan for A/C. I am curious what size is the fan you have.

I appreciate the help.

Dan
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post #6 of 7 (permalink) Old Sep 20th, 02, 02:22 PM
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Mark
 
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The A/C fan is actually smaller than a Non A/C fan by about 1/4 to 3/8" in both length and diameter. I couldn't take my two apart so I measured the actual fan cage. The A/C fan cage is 5 1/2" in diameter 2 1/2" tall. The non A/C fan cage is 5 3/4" in diameter and 2 3/4" tall.

The A/C fan cage is metal, the non A/C fan is plastic.

The A/C motor is a smooth cylinder, while the non A/C motor has a smaller end cap by about 1/8" in dameter, and 3/4" in length where the bearings are located on the end furthest from the firewall.

------------------
Mark Canning
1969 Indy Pace Car
350/300HP RPO Z11
My 69 L48 - 350/300HP Engine
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post #7 of 7 (permalink) Old Sep 20th, 02, 05:17 PM Thread Starter
 
Join Date: Mar 2002
Location: Pleasanton, Ca. USA
Posts: 11
So I take it that there is a difference in heater motors between the AC and non AC. Will the AC fan fit on the heater motor of a non AC motor?

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