Member Since: 22 Jun 2012
Location: Kent
Posts: 33
Rubbing after replacing rear discs and pads
Morning all,
I replaced the rear discs and pads yesterday on my D4.
All seemed fine until I went for a drive and noticed a lot of rubbing from the rear offside.
This morning I have removed the offside disc and have found out where the rubbing is coming from. See photos below.
Has anybody had this issue before and any ideas as to what may be causing it?
Thanks in advance.
Mark
Click image to enlarge
28th Jan 2022 11:18 am
PROFSR G
Member Since: 06 Mar 2017
Location: Lost
Posts: 5068
The back plate is corroded and possibly out of alignment. (bent) You could try prising it back away from the lip on the disc. Or possibly cleaning off the corrosion, but there might not be much of it left.
Alternatively replace the back plate, there is a split plate (two parts) available now which eliminates the need to split the hub/bearings from the knuckle.
Edit: Make sure the hub surface is scrupulously clean or the disc will not sit flush, also making the problem worse.yµ (idµ - eAµ) ψ=mψ
28th Jan 2022 11:43 am
DN D3 Decade
Member Since: 23 Jun 2006
Location: W.London.
Posts: 2346
Do you have a link as to where to buy the split back plates from PROFSR G ?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.
28th Jan 2022 11:48 am
PROFSR G
Member Since: 06 Mar 2017
Location: Lost
Posts: 5068
They're available from here, I saw someone on this side doing them now too but can't remember who.
Member Since: 22 Jun 2012
Location: Kent
Posts: 33
Thanks Profsr G.
I didnt actually realise that was part of the backing plate. It looked like 2 separate parts
Anyway, I've cleaned it all up and no more rubbing.
Thanks again.
28th Jan 2022 1:09 pm
PROFSR G
Member Since: 06 Mar 2017
Location: Lost
Posts: 5068
Yes it does look that way and easily mistaken for such. They were made of cheese at the factory and so very easily distort once corrosion sets in. You'll get away with it for another bit but once it becomes perforated the MOT boy's will fail it if they spot it.
It's no small job to replace them, as the entire hub assy has to come off and the bearings split to get the back plate off. So you're looking at a total rebuild of the entire unit Another fantastic LR engineering cock up.
Thankfully the yanks have come up with the solution that should have been done in the first place. yµ (idµ - eAµ) ψ=mψ
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