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Unread 01-15-2014, 01:57 PM   #1
earlb74
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1986 FSJ Wagoneer 
 
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Heater fan noise after new motor install

Hi, I just got around to replacing the heater motor on my 86 Wagoneer due to the sound of bearing going bad. I replaced everything "pretty easy task" but now I have a sound of the wheel hitting the box it goes in?? Any help would be appreciated.

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Unread 01-16-2014, 07:28 AM   #2
DotJumper
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I had that issue. I had to space the fan about 1/8" away from the motor on the shaft...if I remember right.
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Unread 01-16-2014, 07:29 AM   #3
earlb74
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Quote:
Originally Posted by DotJumper View Post
I had that issue. I had to space the fan about 1/8" away from the motor on the shaft...if I remember right.
Thanks for the reply, I will try that this evening.
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Unread 01-16-2014, 09:07 AM   #4
usererror
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Were you able to pick up a new fan motor at any auto parts place or did you have to special order it? I need to replace mine as well since it is quite loud.
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Unread 01-16-2014, 09:10 AM   #5
earlb74
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Quote:
Originally Posted by usererror View Post
Were you able to pick up a new fan motor at any auto parts place or did you have to special order it? I need to replace mine as well since it is quite loud.
I purchased mine at the local O'Reilly Auto parts store, have them cross reference part # 8128778
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Unread 01-16-2014, 10:03 AM   #6
super98lsc
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There are two motors on the later model GWs. One under hood for heater and one inside for AC. First week I had mine I was like wait... No noise on ac mode but howls like hell on heater... Rofl
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Unread 01-16-2014, 10:29 AM   #7
usererror
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Quote:
Originally Posted by super98lsc View Post
There are two motors on the later model GWs. One under hood for heater and one inside for AC. First week I had mine I was like wait... No noise on ac mode but howls like hell on heater... Rofl
Same for me! My growl has become annoying.

My local place has to ship one in for $80. My googling with the part number from EarlB was much better. I'll get this one and support a Wagoneer site instead:

http://www.teamgrandwagoneer.com/hea...-gw-1978-1991/
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Unread 01-16-2014, 05:34 PM   #8
earlb74
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Quote:
Originally Posted by DotJumper View Post
I had that issue. I had to space the fan about 1/8" away from the motor on the shaft...if I remember right.
That was it, problem fixed, thanks DotJumper!
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Unread 01-18-2014, 01:32 PM   #9
usererror
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I too used DotJumper's tip about the 1/8" gap! Very happy to have a normal sounding blower again.

I was damn annoyed with myself when I was trying to remove the fan part itself, I broke one of the three plastic pieces. Oh well, I put it into place and got the clamp around it when it was on the shaft of the blower. I suppose I'll look for another one on ebay one of these days.
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