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carbore
Member Since: 06 Apr 2016
Location: Cornwall
Posts: 545
  
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| (DONE!) Rear callipers, replace both or only sticky side? |
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I'm into a brake binding issue on my D3 and did an inspection tonight.
Guides were ok but the pads were very worn under 1cm left and the disks look bad too. Im guessing then that the calliper is stuck as i hear they do that if they get towards the end of travel.
So far I think a set of disks and pads is required and a calliper on the stuck side. But should I do the other side that's "ok" (obvs disks/pads but calliper?)?
Also any recommendations on makes for the calliper?
https://www.ebay.co.uk/itm/314581493557?fi...R4LxlJXDYg
Im going Brembo on brakes Disco 3: Lotus Elise S1: Ferguson T20: Audi A2
Last edited by carbore on 10th Sep 2023 8:00 pm. Edited 1 time in total
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 21st Aug 2023 6:44 pm |
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M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8230
  
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What makes you think the calliper is sticking? - does it get hot?- is one side brake pads worn more than the opposite wheel?- how many miles since they where fitted?
Brake pads and discs will obviously wear the more mileage they have done!- changing both callipers won’t do any harm and may prevent future issues but might not be necessary.
If both pads on both wheels are worn similarly and one side does not get hotter than the other I wouldn’t change the calipers.
p.s. do not touch the brakes or discs with your bear hands to check the temp, you will get burnt. It can when others can't,
It will when others won't,
It goes where others don't.
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| 21st Aug 2023 7:16 pm |
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kirkyworld
Member Since: 01 Mar 2016
Location: Northampton
Posts: 566
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I would always do brakes and suspension components in pairs.
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| 21st Aug 2023 7:26 pm |
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DN
D3 Decade
Member Since: 23 Jun 2006
Location: W.London.
Posts: 2345
 
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Pad thickness under 1cm, is not particularly worn, do you mean under 1mm  ? D3 owned from new, P017 brake recall, BAS FBHIC, new FBH, LR013487 oil pump, new water pump. RRS front lower suspension arms. New suspension compressor/ relay. New Denso alternator. CuNifer rear brake pipes. New GKN rear propshaft. New HPFP belt & tensioner. New A/C Condenser.NO WARRANTY for many many years.
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| 21st Aug 2023 7:45 pm |
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carbore
Member Since: 06 Apr 2016
Location: Cornwall
Posts: 545
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Unss do we 1CM more like 5mm, so not terrible but worth doing, if it wasn’t for the sticking I probably would be in a hurry to change them. I’ll try to rule out all other issues before the calliper, but it’s looking like that’s it. Disco 3: Lotus Elise S1: Ferguson T20: Audi A2
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| 21st Aug 2023 8:30 pm |
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M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8230
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Either the calliper is sticking or it isn’t, if it is best to change it or it will cause excessive wear on the new components.  It can when others can't,
It will when others won't,
It goes where others don't.
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| 22nd Aug 2023 5:40 am |
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loanrangie
Member Since: 18 Jun 2017
Location: Melbourne
Posts: 700
 
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Pull the sliders apart and grease them, if they cant be freed up then replace.
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| 22nd Aug 2023 7:00 am |
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jetmech
Member Since: 22 Feb 2016
Location: Suffolk
Posts: 271
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As long as the other side is working properly, they don’t need to be the same age. I replaced the offside front calliper earlier this year for sticking due to corrosion, the near side was just cleaned and inspected. Simon.
2008MY Dicovery 3 TDV6 SE Manual
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| 22nd Aug 2023 7:19 am |
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darrind
Member Since: 04 Jul 2008
Location: In A World of My Own!
Posts: 2893
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Whilst you are doing it I would get them both done, otherwise you will be replacing fluid and bleeding the brakes twice. Must stop buying shiny toys....
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| 22nd Aug 2023 8:32 am |
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carbore
Member Since: 06 Apr 2016
Location: Cornwall
Posts: 545
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Right, finished the job evenings last week and its all done and test driven.
Car is now perfect, and the handbrake has never been so quiet. Calliper was stuck and pads and disk we "messed up" by the wear. Other side was fine, bit everything all replaced in matching pairs and its so much better.
Thanks for the support and the ever useful "brake bible" Disco 3: Lotus Elise S1: Ferguson T20: Audi A2
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| 10th Sep 2023 8:04 pm |
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darrind
Member Since: 04 Jul 2008
Location: In A World of My Own!
Posts: 2893
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Propshaft repair is an easy fix if it is just the rubber that’s shot - it took me longer to get the car on stands and stable than to take it off.
The Sika flex takes a while to set so would plan to leave it stood for 24 hours or a bit more with the prop off before putting it back on Must stop buying shiny toys....
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| 11th Sep 2023 8:18 am |
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