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Subject: "Loud fan noise" Previous topic | Next topic
chadly_187Thu Apr-12-12 10:16 AM
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"Loud fan noise"


  

          

Recently my radiator fan started making a loud noise when its on. Sounds like it needs some lube so I sprayed it down with WD40 pretty good but its still noisy. Any ideas how I can make it quiet again?



  

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Replies to this topic
Subject Author Message Date ID
RE: Loud fan noise
Apr 12th 2012
1
RE: Loud fan noise
Apr 12th 2012
2
      RE: Loud fan noise
Apr 12th 2012
3
           RE: Loud fan noise
Apr 12th 2012
4
                RE: Loud fan noise
Apr 12th 2012
5
                     RE: Loud fan noise
Apr 13th 2012
6
                          RE: Loud fan noise-
Apr 13th 2012
7

wrowzee1987Thu Apr-12-12 11:39 AM
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#1. "RE: Loud fan noise"
In response to Reply # 0


          

What kind of loud noise? Is it a grinding or whining noise? If so the bearings in the motor may have went out. You may be looking at a new fan, or picking one up at a junk yard.

  

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chadly_187Thu Apr-12-12 01:57 PM
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#2. "RE: Loud fan noise"
In response to Reply # 1


  

          

Not grinding, more of a whining noise.



  

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callouieThu Apr-12-12 02:47 PM
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#3. "RE: Loud fan noise"
In response to Reply # 2
Thu Apr-12-12 02:48 PM by callouie

          

New fan motor is what it needs, from the symptoms. Just be sure the replacement spins the right direction, I had a problem getting one that would.

Calvin Louie
1989 Porsche 928 S4 - Linen Metallic / Linen

  

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doodaaThu Apr-12-12 05:06 PM
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#4. "RE: Loud fan noise"
In response to Reply # 3


  

          

>New fan motor is what it needs, from the symptoms. Just be
>sure the replacement spins the right direction,...

Once you get past that this is about the easiest thing you can do on a Mark. Drill the old rivets out and replace with 1/4 x 20 and drop it back in. Don't think I even used a whole gallon of antifreeze on the refill.

______________________________

  

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chadly_187Thu Apr-12-12 05:21 PM
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#5. "RE: Loud fan noise"
In response to Reply # 4


  

          

Having trouble finding the SIEMENS brand with the part # i found in some old posts. I did find this:

http://www.amazon.com/VDO-PM9032-Radiator-Fan-Motor/dp/B000C7OAQ6/ref=sr_1_fkmr1_1?ie=UTF8&qid=1334268623&sr=8-1-fkmr1

Its the same part # as the SIEMENS but amazon says it wont fit the mark VIII. Anybody know if this will work?

Thanks for the help guys.



  

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doodaaFri Apr-13-12 11:46 AM
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#6. "RE: Loud fan noise"
In response to Reply # 5
Fri Apr-13-12 11:47 AM by doodaa

  

          

Don't know if it will or not but - some of the application guides will say it doesn't fit because the original is "hard mounted" to the cowl and therefore it's all one assembly. Iow, they don't want to sell you just the motor, you have to pay for the cowl you don't really need too. I'd say at that price give it a shot, but find out about the rotation that Cal posted about and be very aware of your return options before you plunk down the cash.

______________________________

  

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SuperCoupe007Fri Apr-13-12 03:14 PM
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#7. "RE: Loud fan noise-"
In response to Reply # 6


          

I was on the same boat with my 97LSC. Radiator fan started with making noise and eventually blew the maxi-fuse three times. I ended up buying a replacement from Auto-Zone (GEN I Application). Drilled out the rivets and installed some bolts and nuts from Home-Depot. The fan spins in the right direction and is very quiet.

I did post this on the drivetrain sectiin incase you'd like to look it up

I want a 13.8 ~ 14.0 sec 1/4 mile Mark VIII

  

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