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Both front brake calipers seized

Discussion in 'XJ Technical Chat' started by Mutley, May 15, 2019.

  1. Mutley

    Mutley New Member

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    Just bought a n old 1982 XJ750 and found both front brake calipers seized solid. Been looking to buy 2 new ones but none available. Can you buy a repair kit and if so what bits would I need to complete the repair. A link to Ebay to give me an idea would be appreciated. Thanks
     
    Mutley, May 15, 2019
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  2. raskal

    raskal Active Member

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    This site suggests talking to Len (Chacal) at XJ4Ever (see the button top right of the page)
    He has all the parts you'll ever need
     
    raskal, May 15, 2019
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  3. FJ111200

    FJ111200 Active Member

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    FJ111200, May 16, 2019
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  4. Timbox

    Timbox Well-Known Member

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    Welcome to the site! You will find all kinds of info on here. If you are looking on this site you might be a little mechanically inclined. If so, I would try to rebuild them and save some money. Take them off and give them a try to take them apart and clean them. Normally the brake fluid gets into the seals and then dries and that is what causes the issues. The puck (the part the moves from the fluid pressure) gets dirty and also rusty. It can be cleaned and polished.

    Bottom line, if you have the time give it a try, if not, buy from what ever source is best for you.

    Again, welcome to the site.
     
    Timbox, May 16, 2019
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  5. jayrodoh

    jayrodoh YimYam Premium Member

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    Grease gun works great for pushing the old stuck pistons out. Hook the gun to the bleeder, plug the brake line connection with a bolt, open bleeder and pump away. Had a few calipers I thought we’re junk but once I learned that trick they came out with little effort.
     
    jayrodoh, May 16, 2019
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    S10gto, k-moe, Mutley and 1 other person like this.
  6. Jetfixer

    Jetfixer Well-Known Member

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    Spot on !!! DO NOT USE CHANNEL LOCKS or VISE GRIPS ...YOU WILL SCORE the piston this will lead to ruined seals ....my caliper seals were rock hard originals
    tried an air nozzle no joy , grease gun worked like a champ , yes is messy to clean after wards only down side.
     
    Jetfixer, May 16, 2019
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  7. Mutley

    Mutley New Member

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    Really appreciate your kind responses and hope as a newby XJ investor can bring this bike back to life. Thanks again
     
    Mutley, May 16, 2019
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  8. MaximusXJ650

    MaximusXJ650 Member

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    Mutley I see you're from West Yorkshire! So am I (Bradford - yay...)

    I'm going to look at an xj650 on Saturday. Was your 750 a runner? This 650 isn't but at least it turns over.

    P.s how did you post a thread? It keeps telling me its spam haha
     
    MaximusXJ650, May 16, 2019
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