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L322 binding brakes... random and frustrating.

Discussion in 'Range Rover' started by SuffolkCraftsmen, Mar 25, 2021.

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  1. SuffolkCraftsmen

    SuffolkCraftsmen Member

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    Hi all! so my L322, 03 plate, BMW 6, 3l has developed a new problem in the last couple of weeks and we are struggling to diagnose it. After a year of trouble free motoring [yes really] i found the OS rear wheel was hot after a short journey. garage got it up on the ramp and told me the handbrake had fallen apart and dropped a pad so disconnected it and ordered parts. The problem didnt go away but the wheel continued to get hot. still waiting on handbrake parts we replaced the calliper and that seemed to solve the problem for a day or so but now its back with the new calliper and the NS front is binding as well....

    Whats going on???????
     
  2. Nodge68

    Nodge68 Well-Known Member

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    Hoses collapsed internally? They should be changed at 6 years old anyway, so that a good place to start. Also were the caliper brackets cleaned and de-rusted where the pads fit? So many garages simply pull out the old pads, and force in the new pads, without any thought as to how the pads are supposed to move away from the rotor once the pedal is released.
     
  3. SuffolkCraftsmen

    SuffolkCraftsmen Member

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    good call on the hoses, im suspicious something isnt right in one of the common blocks, abs unit or something like that... or 2 similar faults in one week is just coincidence!
     
  4. Snaggapuss

    Snaggapuss Active Member

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    Is it possible that having replace the one calliper the ns has now pushed its piston (which might have been rusted in place or crap on it or what ever) so it has now locked in place. Either way it looks as if your gonna have to strip down that calliper as well, Can I assume they did the both sides, if not they should have, always do brakes in pairs. Oil Flush ?
     
    Nodge68 likes this.
  5. SuffolkCraftsmen

    SuffolkCraftsmen Member

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    Itssss possible.... but its been a regular driver, every day, mixed journeys, long short, motorway, b road.... no probs at all then suddenly binding breaks. We only changed the off side rear calliper, mainly cos i needed to use it! ... oil flush hmmmmm
     
  6. Snaggapuss

    Snaggapuss Active Member

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    It's not so much the use that is the problem, more like if the calliper piston's gasket has perished over time which allows water in, the chrome on the piston rusts, seizes the piston, done quite a few over my many years (yep I'm an old geezer) finally came to my senses and stopped putting repair kits on and just get new callipers now. Anyways all the advice I have heard and read from the more experienced is always change brake pads in pairs to ensure equal braking force, sounds daft but even things like having one calliper nice shiny new and the other all crapped up with grime and rust affects how the calliper slides thus giving uneven braking, dangerous on wet roads, get that other calliper off asap and cleaned up and checked out with new pads.
     
    Mark Piercy and SuffolkCraftsmen like this.
  7. Mark Piercy

    Mark Piercy Well-Known Member Full Member

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    Check that the pads move freely in the pad carrier, some new pads have badly machined ears and a lot of paint on them.
    Also the seats where the pads slide into can layer up with rust. ;)
     
    myfirstl322 likes this.
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