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D4 calliper sliders
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DiscoJake
 


Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3
D4 calliper sliders

Having stripped and cleaned the callipers and brackets I'm about to put it all back together but noticed there are 2 different slider pins.

One has a rubber section inset in the end and one is just plain steel bar for the whole length.
Does it matter which way they go as both seem to fit? Confused
  
Post #163025924th Mar 2016 6:36 am
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ROY_H
 


Member Since: 30 Jun 2014
Location: South Hams Devon
Posts: 368

England 2011 Discovery 4 3.0 SDV6 HSE Auto Stornoway GreyDiscovery 4

from memory, they should both have a rubber 'boot' which fits over the ridge on the bracket Thumbs Up
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Post #163055724th Mar 2016 5:27 pm
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DiscoJake
 


Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

No 2 have and 2 haven't. (Same with new kit from advance factors)

They seemed to fit perfectly either way so they're on now Thumbs Up

I had more trouble trying to work out which way the harmonic damper on the pads goes - which is outside on the top if anyone's interested
Click image to enlarge
 

Last edited by DiscoJake on 3rd Feb 2018 8:01 am. Edited 1 time in total 
Post #163081025th Mar 2016 7:37 am
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Robbie
 


Member Since: 05 Feb 2006
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Are they TRW reduced-dust pads?
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Post #163081425th Mar 2016 7:49 am
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DiscoJake
 


Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Yes the d-tech ones from AF Thumbs Up
  
Post #163081525th Mar 2016 7:53 am
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eddyoz
 


Member Since: 01 Oct 2013
Location: Mandurah.WA
Posts: 66

Australia 2011 Discovery 4 3.0 SDV6 SE Tech Auto Fuji WhiteDiscovery 4

Does it matter which side the damper pad is fitted?I just changed pads and rotors and fitted the damper pad on the inner pad top.All 4 calliper pins had rubber boots.
  
Post #163123826th Mar 2016 2:53 am
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DiscoJake
 


Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Honestly I don't know, they will physically fit either side.
The only reason I choose the outside in the end was by phoning a friend and getting him to go out and look at his Laughing

Interesting that your sliders all had rubber inserts, I'm guessing they are just to dampen harmonics as well and one is enough? Confused

Thumbs Up
  
Post #163124326th Mar 2016 5:38 am
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eddyoz
 


Member Since: 01 Oct 2013
Location: Mandurah.WA
Posts: 66

Australia 2011 Discovery 4 3.0 SDV6 SE Tech Auto Fuji WhiteDiscovery 4

Thinking about it, would seem logical to have the weighted pad on the opposing side of the pistons.I will swap them over to match your set up.The rubber insulators/boots are http://www.potamkinparts.com/oe-land-rover/lr015525
  
Post #163157827th Mar 2016 3:03 am
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DiscoJake
 


Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

http://www.advancedfactors.co.uk/lr020489-...8160-p.asp





The rubber insert on only 1 pin Question
  
Post #163159527th Mar 2016 7:07 am
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eddyoz
 


Member Since: 01 Oct 2013
Location: Mandurah.WA
Posts: 66

Australia 2011 Discovery 4 3.0 SDV6 SE Tech Auto Fuji WhiteDiscovery 4

Can't say I have ever seen the rubber bush on the slider pin,must be a TRW part,like you say for the 'harmonics'.So all should be fine if that's what came in the kit.
This morning, I changed the pads over,looks even better now with the shiny knob and red pads!
  
Post #163160527th Mar 2016 7:53 am
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ST53VEN
 


Member Since: 18 Dec 2012
Location: Aberdeenshire
Posts: 260

Scotland 2015 Discovery 4 3.0 SDV6 HSE Lux Auto Santorini BlackDiscovery 4

Its quite a common thing on alot of sliders now. You should have one fitted per side and usually the one with the rubber sleeve goes in the top of the carrier.

They are to stop the caliper sliding back towards the disc when the brakes are released and prevent the pad on the piston side running on the disc.

I have found them a pain as they can do the opposite and make the outer pad run on the disc making you think you have a seized caliper. I prefer to have the normal pins so the caliper is free to move where it wants.
  
Post #163166427th Mar 2016 10:16 am
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DiscoJake
 


Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

A little revisit to this thread:
As st53ven suggested above the slider pins can cause you to think you have a seized caliper.
Recently had very hot acrid smelling FR brake. After inspecting the pistons I tried to move the slider and the one with the rubber was jammed solid and I had to lever it out.
The rubber had a small nick in it and wasn't sitting against the shoulder neatly.
Ive cut it off and currently running with no rubber and packed with more grease.

Incidently I had the rubber pin on the bottom but can't see how that would effect it?
   
Post #19094822nd Feb 2018 6:08 am
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marsie
 


Member Since: 28 Feb 2010
Location: Sheffieldish
Posts: 1804

England 2013 Discovery 4 3.0 SDV6 XS Auto Firenze RedDiscovery 4

Just done all 4 brakes on my D4 and the rear had one of each pin in each calliper (the rubber sleeved one at the bottom on both). Didn't take the fronts out so don't know as i have replaced the callipers with 4 pot brembos Thumbs Up
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Post #19099202nd Feb 2018 9:39 pm
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DiscoJake
 


Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Bottom pin should have rubber insert:

ktm_525 wrote:
Better check that again I found it in the service manual. Rubber grommet pin goes on the bottom. There is a warning..


   
Post #204599314th Apr 2019 11:04 pm
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