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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, Republic of the Western Cape
Posts: 2034

South Africa 2010 Defender 90 Puma 2.4 SW Alpine White
Defender pulling left when braking

Hi everyone,

yet another issue cropped up on my Puma, only noticeable at highway speeds (>80kmh): when I brake, the car dives to the left.

Even if I hold the steering wheel straight, the car still does this.

What could be causing this?

Thanks --

2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

Post #780810 9th Jul 2019 1:22pm
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shropshiredefender



Member Since: 05 Jun 2017
Location: Shropshire
Posts: 646

England 2011 Defender 110 Puma 2.4 USW Santorini Black

Seized RH side front brake caliper?

Post #780813 9th Jul 2019 1:32pm
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OsloBlue



Member Since: 14 Jul 2018
Location: Essex
Posts: 752

United Kingdom 2003 Defender 110 Td5 XS CSW Oslo Blue

Bearings / half shaft maybe? I'm on IG: https://www.instagram.com/osloblue42/
Defender Drag racer & achiever of "How is that possible" speed
Current: TD5 '110 "Lucinda" Thread here: https://www.defender2.net/forum/topic62562.html
Previously: Disco 3/4 2010 Manual, BMW 325D SE, '08 Nissan Pathfinder, '08 Nissan Navara, '08 Focus ST, '97 Vectra track car.

Post #780822 9th Jul 2019 2:44pm
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bankz5152



Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 1644

2004 Defender 110 Td5 DCPU Epsom Green

shropshiredefender wrote:
Seized RH side front brake caliper?


+1 for this Instagram @defender_ventures

Post #780825 9th Jul 2019 3:04pm
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AJC



Member Since: 30 Nov 2015
Location: Lancashire
Posts: 1128

United Kingdom 

Caliper, I know my o/s/f caliper is a bit dicky and this is what mine does, I just don't know what calipers to replace the front pair with yet

Post #780836 9th Jul 2019 3:58pm
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, Republic of the Western Cape
Posts: 2034

South Africa 2010 Defender 90 Puma 2.4 SW Alpine White

thanks, it's going back to the shop on Thursday.

added to this is a rattling clutch. if it needs to be replaced, this will be the 4th time since 2010. Rolling Eyes --

2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

Post #780837 9th Jul 2019 3:59pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 5957

2011 Defender 110 Puma 2.4 USW Stornoway Grey

opposite caliper to the side it going. most probably front, needs looking at. Cheers

James
110 XS Utility
130 Puma Station wagon/camper (in the making)
90 Puma Hardtop

Post #780841 9th Jul 2019 4:17pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 11111

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

I have had a similar effect when the brake hose on the opposite side (the side it doesn't pull towards) has collapsed internally, but this is rare. As noted above, it is most likely that the caliper on the opposite side has seized.

Another possibility is that the pads on the side it pulls towards have worn to bare metal, but the noise would probably alert you to this.

Post #780850 9th Jul 2019 5:30pm
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strang



Member Since: 16 May 2012
Location: Happy Valley
Posts: 1117

United Kingdom 2009 Defender 90 Puma 2.4 XS CSW Galway Green

I had this and it turned out to be a rear calliper with a sticking piston Euro-Leafing to infinity and beyond.....

Post #780860 9th Jul 2019 6:39pm
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Roy5695



Member Since: 15 Feb 2014
Location: Cornwall
Posts: 968

United Kingdom 2011 Defender 110 Puma 2.2 XS DCPU Indus Silver

Just replaced my calipers pistons for stainless because of this problem.

These were the back ones once I managed to get the pistons to come out!

Click image to enlarge



Click image to enlarge
 2011 Defender DCPU 2.2 - https://www.defender2.net/forum/topic30623.html

Instagram - @rljprice

Roy

Post #780861 9th Jul 2019 6:50pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 5957

2011 Defender 110 Puma 2.4 USW Stornoway Grey

Roy - yours look pretty much same as my rear ones when they came off. Cheers

James
110 XS Utility
130 Puma Station wagon/camper (in the making)
90 Puma Hardtop

Post #780869 9th Jul 2019 7:59pm
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Roy5695



Member Since: 15 Feb 2014
Location: Cornwall
Posts: 968

United Kingdom 2011 Defender 110 Puma 2.2 XS DCPU Indus Silver

Fronts weren’t too bad. The pistons were still corroded though which is not ideal for their correct functioning.



Click image to enlarge
 2011 Defender DCPU 2.2 - https://www.defender2.net/forum/topic30623.html

Instagram - @rljprice

Roy

Post #780899 9th Jul 2019 10:53pm
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, Republic of the Western Cape
Posts: 2034

South Africa 2010 Defender 90 Puma 2.4 SW Alpine White

the clutch is also rattling now, what's the latest news on that front?

it's been replaced about 4 times with the LR one since 2010, so maybe it's time for an aftermarket HD one? --

2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

Post #780922 10th Jul 2019 8:13am
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Roy5695



Member Since: 15 Feb 2014
Location: Cornwall
Posts: 968

United Kingdom 2011 Defender 110 Puma 2.2 XS DCPU Indus Silver

I swapped mine out with a new upgraded option from Luke at LOF. Complete kit including all the other bits required was around the £350 mark. I fitted myself so labour cost wasn’t an issue. 2011 Defender DCPU 2.2 - https://www.defender2.net/forum/topic30623.html

Instagram - @rljprice

Roy

Post #780936 10th Jul 2019 10:19am
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 1685

Netherlands 2003 Defender 90 Td5 PU Caledonian Blue

My first guess will be the front brakes too, but also check your bushes front and rear. Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)

Post #780998 10th Jul 2019 6:56pm
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