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Can’t get the rear discs off…..any advice
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garnerj
 


Member Since: 21 Nov 2018
Location: Milton keynes
Posts: 145

United Kingdom 2009 Discovery 4 3.0 TDV6 HSE Auto Atacama SandDiscovery 4
Can’t get the rear discs off…..any advice

2009 D4

So, had to use the Manual release on my parking brake a few weeks back (or rather her indoors did, which was interesting trying to explain that to her).

Got myself some new shoes, disks and pads and figured I would give it a damn good cleanup and reassemble and check the state before worrying too much. Did this with my old D3 and everything was all good for many a year after with regular servicing.

This car is new to me and I don’t know much history other than all
Brakes replaced recently, except rear disks, I now know why!

I can’t get the discs off for the life of me. Everything as per the proper process, adjuster wound back out and the disk spins freely but there is literally no movement between the disk and the hub hit it with a hammer, no movement whatsoever!

Now, I would expect that if the disc were fouling on the shoes that there would be some movement, but if I hit the disc and watch the join between the disk and the bub it doesn’t even move a mm!

Extra piece of info, no rubber bungs in the disc to fill the hole used to adjust the shoes.

I have given it heat, cold, penetrating fluid, more hitting but still
No movement!

I’m at a loss! Can anyone suggest anything to try? I have given up for this evening and now have a beer in hand to console myself!

Thanks folks!
 2008 Disco3 2.7 Tdv6 HSE
2011 L322 Range Rover 4.4 Tdv8 Vogue SE
2002 P38 Range Rover 4.6 V8 Vogue Se 


Last edited by garnerj on 9th Sep 2024 5:52 am. Edited 1 time in total 
Post #23768528th Sep 2024 6:04 pm
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Captain Crosscheck
 


Member Since: 03 Sep 2021
Location: Oslo
Posts: 340

Ukraine 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

As an old tech once taught me: always use a bigger hammer.
I had the same with my front discs, and I just could not believe how hard I eventually had to whack them Banging Head
Worked up a good sweat that day!
  
Post #23768758th Sep 2024 8:53 pm
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rrhool
 


Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4522

United Kingdom 2007 Discovery 3 TDV6 SE Manual Zermatt SilverDiscovery 3

I assume you've taken the screws out?
 Richard


D3 SE 2007. Triumph 2.5Pi 1973. Ferguson TEA20 1948.



Discovery 2 4.0 ES 2001- Gone
Discovery 1 300Tdi ES '95 - Gone
Range Rover Classic '79 - Gone 
 
Post #23768778th Sep 2024 9:05 pm
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garnerj
 


Member Since: 21 Nov 2018
Location: Milton keynes
Posts: 145

United Kingdom 2009 Discovery 4 3.0 TDV6 HSE Auto Atacama SandDiscovery 4

Screws are out yes. They were new and came out nice and easy so I know someone has been here before me recently! Sad
 2008 Disco3 2.7 Tdv6 HSE
2011 L322 Range Rover 4.4 Tdv8 Vogue SE
2002 P38 Range Rover 4.6 V8 Vogue Se 
 
Post #23768869th Sep 2024 5:21 am
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6308

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

You need to back the adjusters fully off then try .

Flack Thumbs Up
  
Post #23768969th Sep 2024 8:23 am
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garnerj
 


Member Since: 21 Nov 2018
Location: Milton keynes
Posts: 145

United Kingdom 2009 Discovery 4 3.0 TDV6 HSE Auto Atacama SandDiscovery 4

Yep, thanks @Flack. Adjusters are totally wound out as mentioned. If it were fouling on the shoes I would see some movement on the disk but there is none at all. Just to make sure I have gone to all extents with the adjusters, both ways, and they are defiantly fully loose as I can spin the wheel freely, well the hub and disc as the wheel is off the car.
 2008 Disco3 2.7 Tdv6 HSE
2011 L322 Range Rover 4.4 Tdv8 Vogue SE
2002 P38 Range Rover 4.6 V8 Vogue Se 


Last edited by garnerj on 10th Sep 2024 5:52 am. Edited 1 time in total 
Post #23768989th Sep 2024 8:41 am
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eightfoot
 


Member Since: 12 Apr 2015
Location: sunny essex
Posts: 806

United Kingdom 2005 Discovery 3 TDV6 S Auto Bonatti GreyDiscovery 3

block of wood on the centre of the discs between the wheel studs big hammer and away you go

when you finally replace them put a good gob of grease over the flange before fitting them so they come off next time it would seem that the manufactures dont know what grease is anymore
 please excuse any grammer/punctuation mistakes,i'm thick,thankyou
current vehicles 2005 d3 2013 d4 
 
Post #23769049th Sep 2024 9:32 am
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Bicycle repairman
 


Member Since: 18 Sep 2019
Location: Cumbria
Posts: 188

United Kingdom 2010 Discovery 4 3.0 SDV6 GS Auto Galway GreenDiscovery 4

Take it you're hitting the rear face of the disc which should move it as it's not hit it on the step (i.e imagine the disc as an L hit it on the horizontal part of the L) move it round and repeat it will loosen. Failing that you will have to get a cutting disc to it, cut it across the face try not to get the hub face then split it with a chisel thats the most extreme I've had to do.
 D4 GS let the retro fit begin
Heated steering wheel
Aftermarket TPMS
Double Din head unit satnav and TV
Reverse Camera
Cubby fridge
Door panel upgrade
Mood lighting
Digital Dash personalised
Back lit sun visors
4.5 Facelift front, rear and memory mirrors
Stainless bumper tread plate
6 pot Brembo conversion
HSE heated memory seats
Retro fit auto lights and wipers
LR 663 Defender alloys
275 45 20 GG AT3s
quarter of a D3 
 
Post #23769589th Sep 2024 7:50 pm
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Worms
 


Member Since: 24 Sep 2023
Location: Highlands
Posts: 401

Scotland 2005 Discovery 3 TDV6 Base 7 Seat Auto Zambezi SilverDiscovery 3

I think I found that if the first hit from the rear pushes the disk slightly off centre, it can jam on the wheel studs and needs hammering back on from the front to centre it again. It took me several attempts to get it to come off as, every time I tried, it kept jamming again.
 Previously:
2010 FL2 TD4e GS
‘93 Defender 110 200TDi CSW - still got this, non-runner on SORN.
‘87 Defender 90 4 cyl Petrol
‘83 110 CSW V8 - best ever!
Range Rover 2-door V8 (not sure of year - 4-speed box and vacuum diff switch)
Series III SWB Diesel 
 
Post #237697910th Sep 2024 6:28 am
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pjm-84
 


Member Since: 04 Oct 2016
Location: Hampshire
Posts: 2592

Ukraine 

If you have new disks and cant remove the old........ cut them off
  
Post #237699210th Sep 2024 8:59 am
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6308

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

I think what you will find is the drums have a ridge in them and the epb has adjusted to the size of the gap, if you have a IID tool then put the epb in service mode and try to remove them.

Flack Thumbs Up
  
Post #237699310th Sep 2024 9:10 am
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HairyFool
 


Member Since: 04 Jan 2023
Location: North Essex
Posts: 683

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto ZanzibarDiscovery 4

With most of the problems described once hit with the engineers adjusting stick rotation would go tight.

If welting it with said stick has no effect then the disc/drum is not moving at all so the mating face between the hub and the old disk has become stuck together, most likely by someone using any old grease as an anti-sieze compound and the heat has turned it into glue.

Sometimes hitting it as if putting it on the hub 1st breaks the bond. Another option is vibration so using and SDS drill on hammer only might crack it free.

Finally (and used with caution) a jack under the disk pumped up until it almost lifts the car off the axle stand and then striking it firmly. If that isn't successful them leave it under that load and call it a night.

The last one definately can work. I remember a mate cursing at a similar problem " Censored it, I'm going home, I try again in the morning". The following day it fell off.
 A visitor from the dark side, my other vehicle is an is still an EV. Strictly speaking its SWMBO.  
Post #237705910th Sep 2024 7:23 pm
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garnerj
 


Member Since: 21 Nov 2018
Location: Milton keynes
Posts: 145

United Kingdom 2009 Discovery 4 3.0 TDV6 HSE Auto Atacama SandDiscovery 4

Thanks all. Seems I just needed some encouragement that I wasn’t missing anything, a can of man the f up and 45 minutes with a 14lb sledge and lots of sweating and the first came off. The second seemed scared and only took 15 minutes with the same technique! Just gotta stick it all back together now. Sure as hell the rust was what was holding it on!
 2008 Disco3 2.7 Tdv6 HSE
2011 L322 Range Rover 4.4 Tdv8 Vogue SE
2002 P38 Range Rover 4.6 V8 Vogue Se 
 
Post #237706610th Sep 2024 7:58 pm
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Bicycle repairman
 


Member Since: 18 Sep 2019
Location: Cumbria
Posts: 188

United Kingdom 2010 Discovery 4 3.0 SDV6 GS Auto Galway GreenDiscovery 4

I had the same problem on a FL2 this morning so I took my own advice Laughing


Click image to enlarge
 D4 GS let the retro fit begin
Heated steering wheel
Aftermarket TPMS
Double Din head unit satnav and TV
Reverse Camera
Cubby fridge
Door panel upgrade
Mood lighting
Digital Dash personalised
Back lit sun visors
4.5 Facelift front, rear and memory mirrors
Stainless bumper tread plate
6 pot Brembo conversion
HSE heated memory seats
Retro fit auto lights and wipers
LR 663 Defender alloys
275 45 20 GG AT3s
quarter of a D3 
 
Post #237707110th Sep 2024 8:40 pm
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