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The Fan on my 4870 died now i need a replacement.

post #1 of 12
Thread Starter 
I noticed the last few days the fan on my 4870 has been getting progressively louder until i woke up this morning and it sounded like it was grinding, turns out the barrings have gone bad and now i need a replacement.

I do have an aftermarket cooler but i do not have any memory coolers (using them on my MoBo mosfets) will it burn out the memory chips if they do not have direct airflow on them?
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post #2 of 12
Quote:
Originally Posted by philhalo66 View Post

I noticed the last few days the fan on my 4870 has been getting progressively louder until i woke up this morning and it sounded like it was grinding, turns out the barrings have gone bad and now i need a replacement.
I do have an aftermarket cooler but i do not have any memory coolers (using them on my MoBo mosfets) will it burn out the memory chips if they do not have direct airflow on them?

My Sapphire 6870 did not come with any memory cooling at all, so it should have no problem if you have no memory cooling if your not overclocking.
Edited by Phenomanator53 - 5/8/12 at 3:13am
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post #3 of 12
Thread Starter 
Quote:
Originally Posted by Phenomanator53 View Post

My Sapphire 6870 did not come with any memory cooling at all, however,so it should have no problem if you have no memory cooling if your not overclocking.

alright cool I'll throw my thermalright cooler on it.
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post #4 of 12
Before you give up on your stock cooler you could try to repair it like I did with my just follow the The XFX 4890 post 2 year reference cooler fan bearing service link in my quotes.

My cooler also had a horrible grinding noise and then it stopped completely. It has been almost a year since I did the repair and the card's are both still going strong and silent biggrin.gif
Edited by Bit_reaper - 5/8/12 at 3:16am
    
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post #5 of 12

Ebay has a couple of reference fans for 13 bucks or so. 

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post #6 of 12
Thread Starter 
Quote:
Originally Posted by Bit_reaper View Post

Before you give up on your stock cooler you could try to repair it like I did with my just follow the The XFX 4890 post 2 year reference cooler fan bearing service link in my quotes.
My cooler also had a horrible grinding noise and then it stopped completely. It has been almost a year since I did the repair and the card's are both still going strong and silent biggrin.gif

i cant the fan doesn't have the hole for the oil its a solid piece of plastic.
Quote:
Originally Posted by Evil Penguin View Post

Ebay has a couple of reference fans for 13 bucks or so. 

its a non ref card.
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post #7 of 12
Quote:
Originally Posted by philhalo66 View Post

i cant the fan doesn't have the hole for the oil its a solid piece of plastic.
its a non ref card.

Really? Are you sure you cant get to the fans axle. I have never seen a fan that this was not possible. Many times the hole is covered with a sticker but is easy enough to peal off,
    
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post #8 of 12
Thread Starter 
Quote:
Originally Posted by Bit_reaper View Post

Really? Are you sure you cant get to the fans axle. I have never seen a fan that this was not possible. Many times the hole is covered with a sticker but is easy enough to peal off,

yeah there isn't even a sticker just a date stamped into the fan, my rocketfish CPU fan is the same way. but i did solve it by using my thermalright cooler and shaved off a few degrees while doing so biggrin.gif
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post #9 of 12
I hope you still have cooling for the power mosfets as thous get really hot on 4870's

Edit: http://www.geeks3d.com/20090121/graphics-cards-and-thermographic-imaging/
240
This site has nice thermal pictures of all sorts of cards including the 4870. I found the info quite interesting. In this picture the GPU core is @ 94°C.
Edited by Bit_reaper - 5/8/12 at 8:56am
    
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post #10 of 12
Thread Starter 
Quote:
Originally Posted by Bit_reaper View Post

I hope you still have cooling for the power mosfets as thous get really hot on 4870's

yup since my 4870 is a non ref card it has it own MOSFET cooler biggrin.gif I'll see if i can find a picture on Google (dont feel like reseating the cooler again its a pain)

same MOSFET cooler (that cooler is not stock)
398
Edited by philhalo66 - 5/8/12 at 9:00am
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