Taking the front fans out of an Mac Pro Early 2008 to clear out the dust?

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So I unscrewed the screw in the upper right hand corner of the fans encasing that's attached to the motherboard.



But I still can't pull them out. It seems like it attached somehow in the lower left hand corner.



All I want to do is clean the dust off the fans. What am I missing?







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  • How often has the thing been used in all those years? People really should blow out their air–cooled electronics more often.
    – can-ned_food
    Aug 15 at 6:02














up vote
4
down vote

favorite












So I unscrewed the screw in the upper right hand corner of the fans encasing that's attached to the motherboard.



But I still can't pull them out. It seems like it attached somehow in the lower left hand corner.



All I want to do is clean the dust off the fans. What am I missing?







share|improve this question






















  • How often has the thing been used in all those years? People really should blow out their air–cooled electronics more often.
    – can-ned_food
    Aug 15 at 6:02












up vote
4
down vote

favorite









up vote
4
down vote

favorite











So I unscrewed the screw in the upper right hand corner of the fans encasing that's attached to the motherboard.



But I still can't pull them out. It seems like it attached somehow in the lower left hand corner.



All I want to do is clean the dust off the fans. What am I missing?







share|improve this question














So I unscrewed the screw in the upper right hand corner of the fans encasing that's attached to the motherboard.



But I still can't pull them out. It seems like it attached somehow in the lower left hand corner.



All I want to do is clean the dust off the fans. What am I missing?









share|improve this question













share|improve this question




share|improve this question








edited Aug 14 at 14:26

























asked Aug 14 at 14:20









leeand00

79651837




79651837











  • How often has the thing been used in all those years? People really should blow out their air–cooled electronics more often.
    – can-ned_food
    Aug 15 at 6:02
















  • How often has the thing been used in all those years? People really should blow out their air–cooled electronics more often.
    – can-ned_food
    Aug 15 at 6:02















How often has the thing been used in all those years? People really should blow out their air–cooled electronics more often.
– can-ned_food
Aug 15 at 6:02




How often has the thing been used in all those years? People really should blow out their air–cooled electronics more often.
– can-ned_food
Aug 15 at 6:02










2 Answers
2






active

oldest

votes

















up vote
8
down vote



accepted










There is only one screw holding the main pair of front fans in the Mac Pro 3,1 - but the assembly itself must be pulled square towards you, as it's slotted... and can be a bit resistant to being removed first time [especially as it's had 10 years to set itself firmly in there].



Note: If you've a full-length graphics card in, you will have to remove it first, in order to remove the aluminium cover over the CPUs. That's magnetic & just pulls away.
You'll also find the CPU heatsinks will be clogged more than the fans you're trying to clean.



This is the screw you already found...



enter image description here



Once that's out, pull square from the top right & bottom left - here it looks like they're using a PCI slot cover to assist, though I've never used anything other than bare hands



enter image description here



This is what you're trying to overcome - the drag on this channelised slot which keeps it all square, plus the fan plug/socket behind the assembly.



enter image description here



Picture Source: Apple - Mac Pro 3,1 2008 Service Source

The rest - experience ;)



I just looked at iFixit's take apart - though they lump the 1,1, 2,1 & 3,1 all in the same category - they mention a second screw at the bottom of the assembly; which I don't recall ever seeing on a 3,1.

However, it looks like one of those screws that the first engineer to disassemble it takes out & never replaces because it's so awkward to get to ;)



I don't have a 3,1 I can open up right now to check - & it is most definitely not mentioned in the specific 3,1 service source manual.



enter image description here






share|improve this answer






















  • That little hidden screw was it! Who would put a screw there?!?!! Thank you!
    – leeand00
    Aug 14 at 17:24










  • Welcome. i think they must have just put that extra screw in 1 in 10 machines at random, then not mentioned it at all in the official service manual... just to mess with people's heads... ;)
    – Tetsujin
    Aug 14 at 17:26











  • Maybe they have a secret, more “official” amendment to the service manual that they keep only with authorised service centers … Maybe. Also possible that the additional screw was a revision to the chassis which never made its way in to any documentation, @leeand00
    – can-ned_food
    Aug 15 at 6:00











  • Yeah much like those "undocumented" Microsoft "features" it's a "secret screw" :).
    – leeand00
    Aug 15 at 15:58

















up vote
5
down vote













That is a first generation (case) Mac Pro.



With questions like these it is a good idea to include a picture that shows what you are doing. That said I found repair guides on iFixit.com for that Generation of Mac Pro that show that you may need to remove any expansion cards, at least the first one or two drives and the processor heat sink cover before you can remove the fan assembly.



I used to have a MacPro 1,1 (similar internals as yours) and I have done that but it's been a while since I had that Mac. While working on this Mac is not difficult it can be a bit fiddly and you do need to remove a bunch of stuff before you can remove the fans as there may be some fasteners and/or screws hidden by other components that need to be removed first. So check out iFixit.com.






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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    8
    down vote



    accepted










    There is only one screw holding the main pair of front fans in the Mac Pro 3,1 - but the assembly itself must be pulled square towards you, as it's slotted... and can be a bit resistant to being removed first time [especially as it's had 10 years to set itself firmly in there].



    Note: If you've a full-length graphics card in, you will have to remove it first, in order to remove the aluminium cover over the CPUs. That's magnetic & just pulls away.
    You'll also find the CPU heatsinks will be clogged more than the fans you're trying to clean.



    This is the screw you already found...



    enter image description here



    Once that's out, pull square from the top right & bottom left - here it looks like they're using a PCI slot cover to assist, though I've never used anything other than bare hands



    enter image description here



    This is what you're trying to overcome - the drag on this channelised slot which keeps it all square, plus the fan plug/socket behind the assembly.



    enter image description here



    Picture Source: Apple - Mac Pro 3,1 2008 Service Source

    The rest - experience ;)



    I just looked at iFixit's take apart - though they lump the 1,1, 2,1 & 3,1 all in the same category - they mention a second screw at the bottom of the assembly; which I don't recall ever seeing on a 3,1.

    However, it looks like one of those screws that the first engineer to disassemble it takes out & never replaces because it's so awkward to get to ;)



    I don't have a 3,1 I can open up right now to check - & it is most definitely not mentioned in the specific 3,1 service source manual.



    enter image description here






    share|improve this answer






















    • That little hidden screw was it! Who would put a screw there?!?!! Thank you!
      – leeand00
      Aug 14 at 17:24










    • Welcome. i think they must have just put that extra screw in 1 in 10 machines at random, then not mentioned it at all in the official service manual... just to mess with people's heads... ;)
      – Tetsujin
      Aug 14 at 17:26











    • Maybe they have a secret, more “official” amendment to the service manual that they keep only with authorised service centers … Maybe. Also possible that the additional screw was a revision to the chassis which never made its way in to any documentation, @leeand00
      – can-ned_food
      Aug 15 at 6:00











    • Yeah much like those "undocumented" Microsoft "features" it's a "secret screw" :).
      – leeand00
      Aug 15 at 15:58














    up vote
    8
    down vote



    accepted










    There is only one screw holding the main pair of front fans in the Mac Pro 3,1 - but the assembly itself must be pulled square towards you, as it's slotted... and can be a bit resistant to being removed first time [especially as it's had 10 years to set itself firmly in there].



    Note: If you've a full-length graphics card in, you will have to remove it first, in order to remove the aluminium cover over the CPUs. That's magnetic & just pulls away.
    You'll also find the CPU heatsinks will be clogged more than the fans you're trying to clean.



    This is the screw you already found...



    enter image description here



    Once that's out, pull square from the top right & bottom left - here it looks like they're using a PCI slot cover to assist, though I've never used anything other than bare hands



    enter image description here



    This is what you're trying to overcome - the drag on this channelised slot which keeps it all square, plus the fan plug/socket behind the assembly.



    enter image description here



    Picture Source: Apple - Mac Pro 3,1 2008 Service Source

    The rest - experience ;)



    I just looked at iFixit's take apart - though they lump the 1,1, 2,1 & 3,1 all in the same category - they mention a second screw at the bottom of the assembly; which I don't recall ever seeing on a 3,1.

    However, it looks like one of those screws that the first engineer to disassemble it takes out & never replaces because it's so awkward to get to ;)



    I don't have a 3,1 I can open up right now to check - & it is most definitely not mentioned in the specific 3,1 service source manual.



    enter image description here






    share|improve this answer






















    • That little hidden screw was it! Who would put a screw there?!?!! Thank you!
      – leeand00
      Aug 14 at 17:24










    • Welcome. i think they must have just put that extra screw in 1 in 10 machines at random, then not mentioned it at all in the official service manual... just to mess with people's heads... ;)
      – Tetsujin
      Aug 14 at 17:26











    • Maybe they have a secret, more “official” amendment to the service manual that they keep only with authorised service centers … Maybe. Also possible that the additional screw was a revision to the chassis which never made its way in to any documentation, @leeand00
      – can-ned_food
      Aug 15 at 6:00











    • Yeah much like those "undocumented" Microsoft "features" it's a "secret screw" :).
      – leeand00
      Aug 15 at 15:58












    up vote
    8
    down vote



    accepted







    up vote
    8
    down vote



    accepted






    There is only one screw holding the main pair of front fans in the Mac Pro 3,1 - but the assembly itself must be pulled square towards you, as it's slotted... and can be a bit resistant to being removed first time [especially as it's had 10 years to set itself firmly in there].



    Note: If you've a full-length graphics card in, you will have to remove it first, in order to remove the aluminium cover over the CPUs. That's magnetic & just pulls away.
    You'll also find the CPU heatsinks will be clogged more than the fans you're trying to clean.



    This is the screw you already found...



    enter image description here



    Once that's out, pull square from the top right & bottom left - here it looks like they're using a PCI slot cover to assist, though I've never used anything other than bare hands



    enter image description here



    This is what you're trying to overcome - the drag on this channelised slot which keeps it all square, plus the fan plug/socket behind the assembly.



    enter image description here



    Picture Source: Apple - Mac Pro 3,1 2008 Service Source

    The rest - experience ;)



    I just looked at iFixit's take apart - though they lump the 1,1, 2,1 & 3,1 all in the same category - they mention a second screw at the bottom of the assembly; which I don't recall ever seeing on a 3,1.

    However, it looks like one of those screws that the first engineer to disassemble it takes out & never replaces because it's so awkward to get to ;)



    I don't have a 3,1 I can open up right now to check - & it is most definitely not mentioned in the specific 3,1 service source manual.



    enter image description here






    share|improve this answer














    There is only one screw holding the main pair of front fans in the Mac Pro 3,1 - but the assembly itself must be pulled square towards you, as it's slotted... and can be a bit resistant to being removed first time [especially as it's had 10 years to set itself firmly in there].



    Note: If you've a full-length graphics card in, you will have to remove it first, in order to remove the aluminium cover over the CPUs. That's magnetic & just pulls away.
    You'll also find the CPU heatsinks will be clogged more than the fans you're trying to clean.



    This is the screw you already found...



    enter image description here



    Once that's out, pull square from the top right & bottom left - here it looks like they're using a PCI slot cover to assist, though I've never used anything other than bare hands



    enter image description here



    This is what you're trying to overcome - the drag on this channelised slot which keeps it all square, plus the fan plug/socket behind the assembly.



    enter image description here



    Picture Source: Apple - Mac Pro 3,1 2008 Service Source

    The rest - experience ;)



    I just looked at iFixit's take apart - though they lump the 1,1, 2,1 & 3,1 all in the same category - they mention a second screw at the bottom of the assembly; which I don't recall ever seeing on a 3,1.

    However, it looks like one of those screws that the first engineer to disassemble it takes out & never replaces because it's so awkward to get to ;)



    I don't have a 3,1 I can open up right now to check - & it is most definitely not mentioned in the specific 3,1 service source manual.



    enter image description here







    share|improve this answer














    share|improve this answer



    share|improve this answer








    edited Aug 14 at 15:13

























    answered Aug 14 at 15:02









    Tetsujin

    53.6k1581167




    53.6k1581167











    • That little hidden screw was it! Who would put a screw there?!?!! Thank you!
      – leeand00
      Aug 14 at 17:24










    • Welcome. i think they must have just put that extra screw in 1 in 10 machines at random, then not mentioned it at all in the official service manual... just to mess with people's heads... ;)
      – Tetsujin
      Aug 14 at 17:26











    • Maybe they have a secret, more “official” amendment to the service manual that they keep only with authorised service centers … Maybe. Also possible that the additional screw was a revision to the chassis which never made its way in to any documentation, @leeand00
      – can-ned_food
      Aug 15 at 6:00











    • Yeah much like those "undocumented" Microsoft "features" it's a "secret screw" :).
      – leeand00
      Aug 15 at 15:58
















    • That little hidden screw was it! Who would put a screw there?!?!! Thank you!
      – leeand00
      Aug 14 at 17:24










    • Welcome. i think they must have just put that extra screw in 1 in 10 machines at random, then not mentioned it at all in the official service manual... just to mess with people's heads... ;)
      – Tetsujin
      Aug 14 at 17:26











    • Maybe they have a secret, more “official” amendment to the service manual that they keep only with authorised service centers … Maybe. Also possible that the additional screw was a revision to the chassis which never made its way in to any documentation, @leeand00
      – can-ned_food
      Aug 15 at 6:00











    • Yeah much like those "undocumented" Microsoft "features" it's a "secret screw" :).
      – leeand00
      Aug 15 at 15:58















    That little hidden screw was it! Who would put a screw there?!?!! Thank you!
    – leeand00
    Aug 14 at 17:24




    That little hidden screw was it! Who would put a screw there?!?!! Thank you!
    – leeand00
    Aug 14 at 17:24












    Welcome. i think they must have just put that extra screw in 1 in 10 machines at random, then not mentioned it at all in the official service manual... just to mess with people's heads... ;)
    – Tetsujin
    Aug 14 at 17:26





    Welcome. i think they must have just put that extra screw in 1 in 10 machines at random, then not mentioned it at all in the official service manual... just to mess with people's heads... ;)
    – Tetsujin
    Aug 14 at 17:26













    Maybe they have a secret, more “official” amendment to the service manual that they keep only with authorised service centers … Maybe. Also possible that the additional screw was a revision to the chassis which never made its way in to any documentation, @leeand00
    – can-ned_food
    Aug 15 at 6:00





    Maybe they have a secret, more “official” amendment to the service manual that they keep only with authorised service centers … Maybe. Also possible that the additional screw was a revision to the chassis which never made its way in to any documentation, @leeand00
    – can-ned_food
    Aug 15 at 6:00













    Yeah much like those "undocumented" Microsoft "features" it's a "secret screw" :).
    – leeand00
    Aug 15 at 15:58




    Yeah much like those "undocumented" Microsoft "features" it's a "secret screw" :).
    – leeand00
    Aug 15 at 15:58












    up vote
    5
    down vote













    That is a first generation (case) Mac Pro.



    With questions like these it is a good idea to include a picture that shows what you are doing. That said I found repair guides on iFixit.com for that Generation of Mac Pro that show that you may need to remove any expansion cards, at least the first one or two drives and the processor heat sink cover before you can remove the fan assembly.



    I used to have a MacPro 1,1 (similar internals as yours) and I have done that but it's been a while since I had that Mac. While working on this Mac is not difficult it can be a bit fiddly and you do need to remove a bunch of stuff before you can remove the fans as there may be some fasteners and/or screws hidden by other components that need to be removed first. So check out iFixit.com.






    share|improve this answer
























      up vote
      5
      down vote













      That is a first generation (case) Mac Pro.



      With questions like these it is a good idea to include a picture that shows what you are doing. That said I found repair guides on iFixit.com for that Generation of Mac Pro that show that you may need to remove any expansion cards, at least the first one or two drives and the processor heat sink cover before you can remove the fan assembly.



      I used to have a MacPro 1,1 (similar internals as yours) and I have done that but it's been a while since I had that Mac. While working on this Mac is not difficult it can be a bit fiddly and you do need to remove a bunch of stuff before you can remove the fans as there may be some fasteners and/or screws hidden by other components that need to be removed first. So check out iFixit.com.






      share|improve this answer






















        up vote
        5
        down vote










        up vote
        5
        down vote









        That is a first generation (case) Mac Pro.



        With questions like these it is a good idea to include a picture that shows what you are doing. That said I found repair guides on iFixit.com for that Generation of Mac Pro that show that you may need to remove any expansion cards, at least the first one or two drives and the processor heat sink cover before you can remove the fan assembly.



        I used to have a MacPro 1,1 (similar internals as yours) and I have done that but it's been a while since I had that Mac. While working on this Mac is not difficult it can be a bit fiddly and you do need to remove a bunch of stuff before you can remove the fans as there may be some fasteners and/or screws hidden by other components that need to be removed first. So check out iFixit.com.






        share|improve this answer












        That is a first generation (case) Mac Pro.



        With questions like these it is a good idea to include a picture that shows what you are doing. That said I found repair guides on iFixit.com for that Generation of Mac Pro that show that you may need to remove any expansion cards, at least the first one or two drives and the processor heat sink cover before you can remove the fan assembly.



        I used to have a MacPro 1,1 (similar internals as yours) and I have done that but it's been a while since I had that Mac. While working on this Mac is not difficult it can be a bit fiddly and you do need to remove a bunch of stuff before you can remove the fans as there may be some fasteners and/or screws hidden by other components that need to be removed first. So check out iFixit.com.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Aug 14 at 14:41









        Steve Chambers

        12.1k21234




        12.1k21234



























             

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