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Nik



Member Since: 19 Nov 2010
Location: Up North
Posts: 657

United Kingdom 2008 Range Rover Sport TDV6 HSE Stornoway Grey
Heat coming from rear wheel

Got out of the car tonight to be welcomed by a strong smell and a lot of heat coming from the o/s/r wheel.
Im guessing that the brakes are binding, anyone else have this happen?
Pads were changeed last Ausgust so fairly new.

Any ideas if this was the case would it be covered under extended warranty?

Nik. 2015 Golf R DSG
Gone 2013 Mercedes C220 CDi AMG Sport Plus
Gone 2008 2.7 RRS HSE

Post #366533 Thu Dec 13 2012 6:18pm
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npinks
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Member Since: 26 Nov 2007
Location: Watching
Posts: 6716

United Kingdom 

Could be handbrake or bearing?

Post #366536 Thu Dec 13 2012 6:33pm
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simple1



Member Since: 15 Jan 2006
Location: Somerset
Posts: 1657

United Kingdom 2007 Range Rover Sport TDV8 HSE Cairns Blue

Same as above although I had off side rear caliper sticking. Worked the pistons back and forth and fitted new discs and pads and been fine ever since. 2x TDV6. SE and HSE. Both returned to sender with issues👀
TDV8 Sport HSE...... Gone. Loved it but it didn't love me!!
Now rolling in MY10 Fullfat TDV8 Vogue. Slammed it to go round corners🙈
Cruising daily #56 mph in a Volvo V8. 😱
Lots of other toys in the cupboard...😜

Post #366540 Thu Dec 13 2012 6:59pm
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Paddi



Member Since: 06 Jul 2012
Location: Hertfordshire
Posts: 1563

United Kingdom 2008 Range Rover Sport TDV8 HSE Java Black

Experienced mechanics generally say if the wheel is hot then its a brake problem. If the wheel is not hot then suspect something else.
IIRC a few people on the forum have reported this problem and it turned out to be maladjusted parking brake linkages and/or disintegrated parking brake shoes.

Having had a Jeep Grand Cherokee 4.7 V8 (aka WJ) with the well-known binding front caliper problem I can remember the alarming symptoms only too well. Found that freeing off the pistons by working them in and out was only a temporary solution for a few thousand miles. Ultimately solved by installing the later caliper imported from US.
Oh no... - I will now be lambasted for even mentioning my Jeep! In its defence all I can say is that over a period of 9 years it never left me stranded and apart from the caliper issue only had minor faults. 2008 MY Java Black TDV8 HSE

Post #366613 Fri Dec 14 2012 1:08pm
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simple1



Member Since: 15 Jan 2006
Location: Somerset
Posts: 1657

United Kingdom 2007 Range Rover Sport TDV8 HSE Cairns Blue

Nothing wrong with owning a Jeep. I had a Cherokee for 14 years. Seems to be common issue, mine had several front calipers replaced in its lifetime. Only got rid of it when it needed a radiator, cat and exhaust and battery in one sitting. Apart from ghat it only got serviced once a year Tyres and ball joints and a manifold gasket. Not bad for 14 years and 106k miles. 2x TDV6. SE and HSE. Both returned to sender with issues👀
TDV8 Sport HSE...... Gone. Loved it but it didn't love me!!
Now rolling in MY10 Fullfat TDV8 Vogue. Slammed it to go round corners🙈
Cruising daily #56 mph in a Volvo V8. 😱
Lots of other toys in the cupboard...😜

Post #366614 Fri Dec 14 2012 1:16pm
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Bodsy
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Member Since: 03 Feb 2007
Location: Shropshire
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Nik,

If its a sticking brake caliper, then it should be covered under warranty, if its failed EPB shoes or sticking epb shoes, then it probably won't be covered as theyre consumable items.

It'll almost certainly be one of the above issues.

Ive written a bible on changing/adjusting the EPB bits. Thumbs Up Bodsys Brake Bible
Software Updates Contact me
RRS Timed Heat/Remote kits - Contact me
BAS Engine Re-maps/ EGR Blank EuIII and EuIV
Clock On The Dash/ SNOTM /3Flash / BT Update /Service Reset/Error Codes read\ Gearbox Reset
See it HERE

Post #366622 Fri Dec 14 2012 2:32pm
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Nik



Member Since: 19 Nov 2010
Location: Up North
Posts: 657

United Kingdom 2008 Range Rover Sport TDV6 HSE Stornoway Grey

Thanks for the replies. I was out in the car last night for an hours drive and returned with no issues so its an intermittent problem.
Going to keep an eye on it and will probable book it in if necessary.

Nik. 2015 Golf R DSG
Gone 2013 Mercedes C220 CDi AMG Sport Plus
Gone 2008 2.7 RRS HSE

Post #366633 Fri Dec 14 2012 5:02pm
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Nik



Member Since: 19 Nov 2010
Location: Up North
Posts: 657

United Kingdom 2008 Range Rover Sport TDV6 HSE Stornoway Grey

Popped into my local specialist and he thinks its probably a sticking caliper, just so happens he had two other sports in with the same problem. Rang a stealer to see if it was covered under warranty which was a probably yes but what interested me was that they told me I don't have to use a main dealer for warranty work, any vat registered garage will do, something I didn't realise was the case.
Anyone else come across this?

Update, Rang LR warranty direct and they say its covered if its a mechanical failure, what makes a caliper stick, does something fail or is it a wear and tear gem. If the caliper has failed resulting in the premature wear of the new pads would I be asking too much for them to be replaced for free too?

Nik 2015 Golf R DSG
Gone 2013 Mercedes C220 CDi AMG Sport Plus
Gone 2008 2.7 RRS HSE

Post #366904 Mon Dec 17 2012 3:45pm
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Paddi



Member Since: 06 Jul 2012
Location: Hertfordshire
Posts: 1563

United Kingdom 2008 Range Rover Sport TDV8 HSE Java Black

Yes - I think it is an EU regulation called the Motor Vehicle Block Exemption. Basically disbars Manufacturers from excluding independents from warranty work.

Calipers can stick due to a design fault; the Jeep example was plastic pistons that expanded with age and got jammed in the bore.
More commonly - and probably the case with yours is an ingress of water and/or dirt to a piston bore causing corrosion hence stopping at least one piston moving freely in the bore. There are seals intended to keep out water and dirt but sometimes they perish and crack or get damaged.
Also brake fluid is hygroscopic and if not changed at recommended intervals becomes contaminated with water which in severe cases can cause corrosion.
It's possible to overhaul the caliper by dismantling, cleaning and changing all the seals but most garages would just change the caliper. I'd recommend you ask them to do a brake fluid change at the same time unless it was done recently. Thumbs Up 2008 MY Java Black TDV8 HSE

Post #366910 Mon Dec 17 2012 4:14pm
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Nik



Member Since: 19 Nov 2010
Location: Up North
Posts: 657

United Kingdom 2008 Range Rover Sport TDV6 HSE Stornoway Grey

Thanks.
Would failing seals be clsssed as mechanical failure?

Nik


Paddi wrote:
Yes - I think it is an EU regulation called the Motor Vehicle Block Exemption. Basically disbars Manufacturers from excluding independents from warranty work.

Calipers can stick due to a design fault; the Jeep example was plastic pistons that expanded with age and got jammed in the bore.
More commonly - and probably the case with yours is an ingress of water and/or dirt to a piston bore causing corrosion hence stopping at least one piston moving freely in the bore. There are seals intended to keep out water and dirt but sometimes they perish and crack or get damaged.
Also brake fluid is hygroscopic and if not changed at recommended intervals becomes contaminated with water which in severe cases can cause corrosion.
It's possible to overhaul the caliper by dismantling, cleaning and changing all the seals but most garages would just change the caliper. I'd recommend you ask them to do a brake fluid change at the same time unless it was done recently. Thumbs Up
 2015 Golf R DSG
Gone 2013 Mercedes C220 CDi AMG Sport Plus
Gone 2008 2.7 RRS HSE

Post #366911 Mon Dec 17 2012 4:25pm
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Paddi



Member Since: 06 Jul 2012
Location: Hertfordshire
Posts: 1563

United Kingdom 2008 Range Rover Sport TDV8 HSE Java Black

It is a mechanical failure but warranty company may say it is fair wear and tear. Personally I would have thought that on a MY 2008 vehicle you could reasonably expect the caliper not to have failed. Good luck 2008 MY Java Black TDV8 HSE

Post #366912 Mon Dec 17 2012 4:35pm
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Nik



Member Since: 19 Nov 2010
Location: Up North
Posts: 657

United Kingdom 2008 Range Rover Sport TDV6 HSE Stornoway Grey

That will be my line of attack, late 2008 car with 32k miles i dont expect to replace calipers, especially as the LR extended warranty has just cost me over a grand Big Cry

Nik.

Paddi wrote:
It is a mechanical failure but warranty company may say it is fair wear and tear. Personally I would have thought that on a MY 2008 vehicle you could reasonably expect the caliper not to have failed. Good luck
 2015 Golf R DSG
Gone 2013 Mercedes C220 CDi AMG Sport Plus
Gone 2008 2.7 RRS HSE

Post #366913 Mon Dec 17 2012 4:42pm
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spud1234



Member Since: 28 Sep 2012
Location: Co Durham
Posts: 83

United Kingdom 2008 Range Rover Sport TDV8 HSE Santorini Black

Nik, I have used that same 4x4 garage on Portrack for everything but as you say any VAT registered garage can do it. They will tell you if it is covered if you show them the warranty. Good as gold lads too. Spud Smile

Post #366915 Mon Dec 17 2012 4:51pm
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Bodsy
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Member Since: 03 Feb 2007
Location: Shropshire
Posts: 2162

United Kingdom 

the vast majority of failed caliper pistons is not due to the failure of the seal, but the expansion of the inner piston (the bit you can see when you remove the brake pads) they go resuty and put pressure on the piston as it goes slightly out of shape and drags on the bore.

A new piston and seal kit would fix it, but cheaper (if you inc labour) and easier to replace the whole caliper. Thumbs Up Bodsys Brake Bible
Software Updates Contact me
RRS Timed Heat/Remote kits - Contact me
BAS Engine Re-maps/ EGR Blank EuIII and EuIV
Clock On The Dash/ SNOTM /3Flash / BT Update /Service Reset/Error Codes read\ Gearbox Reset
See it HERE

Post #366948 Mon Dec 17 2012 10:02pm
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simple1



Member Since: 15 Jan 2006
Location: Somerset
Posts: 1657

United Kingdom 2007 Range Rover Sport TDV8 HSE Cairns Blue

Sort of triggers the fit purpose question. I expected to see rusty piston or split seals, instead I found all was as it should be, no marks or scores on piston so either heat had affected it or dirt, neither would you expect in a vehicle that is built to be used off road in mud, water and snow which would normally involve salt/ grit and gravel. I suspect in my case, the worn discs and pads allowed the pistons out further than they had been previously and replacing these has the pistons working back where they should be. Whistle not too bad really, rear discs lasted 48k miles with two pad changes, and car used mostly for towing car trailer, frig off big caravan or being driven like sports car. Rolling Eyes 2x TDV6. SE and HSE. Both returned to sender with issues👀
TDV8 Sport HSE...... Gone. Loved it but it didn't love me!!
Now rolling in MY10 Fullfat TDV8 Vogue. Slammed it to go round corners🙈
Cruising daily #56 mph in a Volvo V8. 😱
Lots of other toys in the cupboard...😜

Post #366953 Mon Dec 17 2012 10:55pm
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