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Thread: Thermo fan & viscous fan bearing bypass

  1. 24th April 2011, 03:59 PM #1
    mattg Guest

    Thermo fan & viscous fan bearing bypass

    Hi all

    Turns out I need a new viscous fan bearing on the TD5 disco. I have read a bit on hear about removing the Viscous fan with a thermo fan and then use a shorter belt to bypass the fan pulley and thus not need to replace my expensive bearing that is spinning and needs holding in with some grub screws and loctite. So I was thinking lets ditch it all together and fit a Thermo.

    I was thinking a Range Rover or AU Falcon one.

    Been looking and these 2 threads

    http://www.aulro.com/afvb/projects-t...ing-fixed.html
    Any thoughts out there?

    Cheers

    Matt
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  2. 24th April 2011, 07:29 PM #2
    stig0000's Avatar
    stig0000
    stig0000 is offline Wizard
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    Were can one find a shorter belt...
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  3. 24th April 2011, 07:34 PM #3
    mattg Guest
    Quote Originally Posted by stig0000 View Post
    Were can one find a shorter belt...
    I was going to plug the whole with a welsh plug for neatness or just leave the bearing out. Then measure it with string and take my sting into the bearing guy to match the length. That is unless someone has done it before and can give me a part number.

    Cheers
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  4. 25th April 2011, 09:14 AM #4
    alien's Avatar
    alien
    alien is offline A Keeper of the TGO Silver Subscriber
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    Don't forget to allow for the adjuster to work when meashuring.
    Maybe meashure the std. set up with your string and then compare to the existing belt.
    This should show up the small amount of difference needed.
    When the mod. is done allow the same for the new belt.

    And a "how to" thread too
    Cheers, Kyle



    The Good Oil.
    When did you last visit?
    http://www.aulro.com/afvb/good-oil/


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  5. 25th April 2011, 12:30 PM #5
    mattg Guest
    I am thinking I will use one of these.

    THERMO FAN CONTROLLER KITS WITH BRASS MANIFOLD ADAPTOR | eBay

    Cheap and simple. It cuts in at 82c Deg. at what stage should the fans cut in? Should I look for an adjustable one like this.
    ~ NEW PROCOMP THERMO FAN TEMP SWITCH KIT ~ | eBay

    Hoping I can get a thermo fan from an AU from the wrecker on Wednesday.
    I am hoping to be able to use the same output from the bleed screw as the engine saver by splicing into same wire. Do you think this will effect the engine saver as I still need that to work.

    Cheers
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  6. 25th April 2011, 12:45 PM #6
    mattg Guest
    I would also like to use one of my empty switches on the instrument surround to be able to cut them out for when we go for a swim. Anyone done this before?

    Cheers

    Matt
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  7. 25th April 2011, 12:46 PM #7
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    rovercare
    rovercare is offline OldBushie
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    Quote Originally Posted by stig0000 View Post
    Were can one find a shorter belt...

    Ain't you a mechanic? your local Burson's/Repco/Supercheap/Autobahn/Bearing supplie/corner store
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  8. 4th May 2011, 05:58 PM #8
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    stig0000
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    was hoping some one has allready done the hard work
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  9. 5th May 2011, 06:44 AM #9
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    ramblingboy42
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    Am I missing something here? Shortening your fan belt to avoid the fan pulley takes the water pump out of your system. why dont you just unbolt the fan and fit your electric thermo fan......I'm assuming this is what you want to do......remove your annoying viscous fan that has a faulty bearing and put an electric fan in? I too have been intending to fit electric fans off the falcon but just havent done it.....waiting for the viscous fan to do something wrong first. I have also looked at fitting electric water pump but its seriously in the too hard basket for me. There is a post in here somewhere with step by step photos where a member fitted the falcon fans.
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  10. 6th May 2011, 02:47 PM #10
    mattg Guest
    My hope of removing the pully that the fan sits on is the then I don't need to replace the bearing. I have bought a bearing but i am not confident that it is deep enough.

    I haven't been able to find a post on fitting a fan to a TD5.

    Also if I bypass the fan pully the belt will run from the power steering to the alternator. The fan is not connected to the water pump but I stand to be corrected.

    cheers

    Matt
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