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How do I check if my calipers are OK?
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Philip1972
 


Member Since: 10 Mar 2017
Location: Gloucestershire
Posts: 1072

United Kingdom 2011 Discovery 4 3.0 SDV6 GS Auto Zermatt SilverDiscovery 4
How do I check if my calipers are OK?

Having new lower arms fitted this weekend, but just in case this doesnt fix the wobble in the steering wheel when braking, next stop is to check the calipers I think.

So any hints on how to see if they are OK or not would be appreciated!

Thanks
  
Post #182718115th Jun 2017 9:03 pm
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galwaygreen
 


Member Since: 30 Oct 2011
Location: plymouth
Posts: 6525

United Kingdom 2016 Discovery 4 3.0 TDV6 Graphite LE Auto Loire BlueDiscovery 4

whip the pads out and see if piston come out and retract...even with good caliper action if the disc is buckled that could give you wobble
  
Post #182718615th Jun 2017 9:13 pm
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Philip1972
 


Member Since: 10 Mar 2017
Location: Gloucestershire
Posts: 1072

United Kingdom 2011 Discovery 4 3.0 SDV6 GS Auto Zermatt SilverDiscovery 4

Thanks

I have replaced the discs and pads with good brand ones, but it (the wobble) came back. I also do not get a pulse through the brake pedal, so I am reasonably confident there is another underlying issue.
  
Post #182720015th Jun 2017 9:23 pm
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galwaygreen
 


Member Since: 30 Oct 2011
Location: plymouth
Posts: 6525

United Kingdom 2016 Discovery 4 3.0 TDV6 Graphite LE Auto Loire BlueDiscovery 4

lets see what happens after the lower arms are done..take it you checked out your tyres etc
  
Post #182720415th Jun 2017 9:27 pm
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Philip1972
 


Member Since: 10 Mar 2017
Location: Gloucestershire
Posts: 1072

United Kingdom 2011 Discovery 4 3.0 SDV6 GS Auto Zermatt SilverDiscovery 4

Yes, its the same when I ave my winter tyres and wheel on, which are brand new.

Already had new pads and discs, inner and outer track rods, drop links and ARB bushes. All of which were past their best anyway.

I am a bit OCD about wobbles and the like, so I just have to keep going Big Cry
  
Post #182721615th Jun 2017 9:40 pm
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Dave T
 


Member Since: 03 Jul 2009
Location: Glasgow
Posts: 6902

England 

don't forget the pins they slide on, they can sieze solid
 Joined the BMWX5 45e group
1994 Defender 90

2015 RRS Corris Grey/Black roof
2016 D4 Graphite Santorini Black
2012 D4 XS Orkney Grey
2005 D3 S Maya Gold

Convoy for Heroes 2011 
 
Post #182728016th Jun 2017 6:52 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8071

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Philip1972 wrote:
Thanks

I have replaced the discs and pads with good brand ones, but it (the wobble) came back. I also do not get a pulse through the brake pedal, so I am reasonably confident there is another underlying issue.


So it did go and came back? - typical of none OEM discs on a D4 I'm afraid Crying or Very sad
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #182728116th Jun 2017 7:00 am
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Philip1972
 


Member Since: 10 Mar 2017
Location: Gloucestershire
Posts: 1072

United Kingdom 2011 Discovery 4 3.0 SDV6 GS Auto Zermatt SilverDiscovery 4

It was MUCH better when the discs went on, but not gone completely.

I read alot about that issue before buying, and bought the TRW kit from Advance F, and I have not read anyone who has had to return these.
  
Post #182728216th Jun 2017 7:03 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8071

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

I doubt it is the calipers, could be the wear on lower swivel joints which come with new arms, or lower steering column UJ, try lubricating the UJ as a temporary measure.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #182728316th Jun 2017 7:13 am
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Dave T
 


Member Since: 03 Jul 2009
Location: Glasgow
Posts: 6902

England 

M3DPO wrote:


So it did go and came back? - typical of none OEM discs on a D4 I'm afraid Crying or Very sad


Not entirely true, only with some and those seemed to be those who used OEM! My 2012 was fine with Borg and Beck from AF
 Joined the BMWX5 45e group
1994 Defender 90

2015 RRS Corris Grey/Black roof
2016 D4 Graphite Santorini Black
2012 D4 XS Orkney Grey
2005 D3 S Maya Gold

Convoy for Heroes 2011 
 
Post #182728916th Jun 2017 7:34 am
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