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Thread: series 3 fairy o'drive

  1. #1
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    series 3 fairy o'drive

    Just acquired my 1st Land rover, a series 3 1978 wagon. Discovered it has a fairy Overdrive,problem is when engaged in either 3rd or 4th a disturbing rattle comes from the box. have checked oil in the o'drive seems ok.
    Anyone any ideas what could be causing the rattling noise? would appreciate some direction.
    Last edited by V8Ian; 29th November 2019 at 04:01 PM.

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    Homestar's Avatar
    Homestar is offline Super Moderator & CA manager Gold Subscriber
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    Welcome to the forum! 👍

    The overdrives can wear quite badly and it’s likely either some gears or bearings or both are damaged. Best way is to whip it off the back of the box and pull it apart if you’re up for it. I think there are repair and overhaul guides about.
    If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.

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    JDNSW's Avatar
    JDNSW is offline RoverLord Silver Subscriber
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    As Homestar says, but there is possibly an easier to fix problem - the linkage to the overdrive is very close to the body, and it would be easy for it to rattle against the body when in overdrive. Also, the linkage is prone to rattling, and again, this is likely to change with whether it is in or out of overdrive. A spring can be installed to stop it rattling.

    I suggest that you have a good look at the linkage and whether it can rattle when in overdrive.

    The overdrive does wear, but wear in either gears or bearings is more likely to result in it howling rather than rattling.
    John

    JDNSW
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    When I had my SIII I was think all sorts of gloom and doom thoughts about the rattles. They could even be heard above the diesel engine noise which was considerable. It was the hi-lo gearstick AND the overdrive gear stick. Try driving it and get it rattling and then move the gearsticks around and hopefully that'll stop the rattle. Then all you have to do is to try and keep the relevant gearstick in a non rattling position. I just used a couple of elastic loops to hold them in the right place.

    I would think that if it's excessive wear and tear inside the box it'd be more of a howling whining sort of noise.
    Cheers,
    Mark F...
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    NavyDiver is offline Very Very Lucky! Gold Subscriber
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    Quote Originally Posted by bobcat View Post
    Just acquired my 1st Land rover, a series 3 1978 wagon. Discovered it has a fairy Overdrive,problem is when engaged in either 3rd or 4th a disturbing rattle comes from the box. have checked oil in the o'drive seems ok.
    Anyone any ideas what could be causing the rattling noise? would appreciate some direction.
    With only a new 10 year old D3 I had to look. I assumed it is Fairey not fairy 12622__11118.1537173813.jpg

    How to fit a Fairey overdrive to your series Land Rover | Auto Express

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