 | Home > Puma (Tdci) > Defender front caliper torque |
 
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 1969  
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Torque settings for Puma https://www.lrworkshop.com/torque-specific...ender-2007
However can’t see the ones you need  |
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15th Jun 2024 12:27pm |
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| Sylvan Member Since: 28 Nov 2016 Location: North Posts: 61 
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Thanks Ian,
yeah I'd been on that page myself and couldn't find them appreciate your help mate 👍 |
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15th Jun 2024 12:33pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6601 
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I don’t believe there is a factory published torque value as the caliper halves are not intended (by LR) to come apart.
 1988 90 Td5 NAS soft top
2015 D90 XS SW |
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15th Jun 2024 1:38pm |
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| Will@LRW Member Since: 04 May 2019 Location: UK Posts: 174 
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Yes there are no official values. If you search the internet hard enough you may find a value between 80 and 90 nm but there is no guarantee that that would be correct.
I split and reassembled some rear calipers about 10 years ago to fit stainless pistons, but swapped to a different axle and caliper setup about 18 months after, so cant comment on the longevity. I think if doing it again i'd find a way to pump air into the caliper to pop each piston in turn, rather than splitting. (Or buy a new OEM caliper) LR Workshop Find a Defender's history and spec: https://defender.lrworkshop.com |
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15th Jun 2024 2:15pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20258
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Go by the generic fixing size torque setting, just back off a couple of NM from the max.
It has stated in the WSM if no specific torque is specified you can use generic torque figures for the fixing size. I seem to remember LR did have a table for that somewhere in there. |
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15th Jun 2024 3:35pm |
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| Sylvan Member Since: 28 Nov 2016 Location: North Posts: 61
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Thanks all for your messages, they make sense, unfortunately I had to strip it down to resemble with new stainless steel pistons, there's a rubber washer that joins the two split pieces with a spacer block where the rubber washer fits, inside the rubber washer is a piece of what looks like a pipe, and I think the re fitting of this is critical for the seal of the two parts back together. I've also seen advice about do not split it unless absolute necessary, I don't even think theres a place selling the rubber seals,.
Thanks again guys |
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16th Jun 2024 7:33pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20258
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I think it would be best and safest you replace them as new assemblies from the factory, as it’s not worth taking any risks at all in any way.
Just my opinion. You also have peace of mind then also. |
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16th Jun 2024 7:54pm |
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| Sylvan Member Since: 28 Nov 2016 Location: North Posts: 61
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Your absolutely correct 👍
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16th Jun 2024 8:06pm |
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| MR_JAMES Member Since: 10 Oct 2013 Location: ESSEX Posts: 247 
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is it a square section washer? I recently rebuilt the ap calipers on my mini (real not german one) - I was able to get genuine ap part from minispares centre. Range rover classic had similar if not same 4 pot caliper, the seal for that is 17h8764 which is also available from minispares or if you put an L on the end the usual land rover suppliers. 1953 80"
1987 mini city e 2011 90" |
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16th Jun 2024 8:32pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17300 
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These are called gallery seals and their unobtainability is the strongest argument for not splitting the calipers. Sometimes you're lucky and they are obtainable, but usually it is extraordinarily difficult to find the right ones. Do not be tempted to improvise, these are safety-critical parts. |
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16th Jun 2024 8:34pm |
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| Mo Murphy Member Since: 01 Jun 2008 Location: Letchworth Garden City, Herts Posts: 2208 
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Front Caliper gallery seals - 3851-739
Mo The Land Rover 90 - Many are called, few are chosen. 50 Shades of Pennine Grey |
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17th Jun 2024 3:38am |
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| Sylvan Member Since: 28 Nov 2016 Location: North Posts: 61
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Thanks Mr James |
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17th Jun 2024 7:22am |
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| Sylvan Member Since: 28 Nov 2016 Location: North Posts: 61
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would anyone know the correct size of the bleed nipple please?
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17th Jun 2024 7:23am |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7975  
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[quote="Will@LRW"
I think if doing it again i'd find a way to pump air into the caliper to pop each piston in turn, rather than splitting. (Or buy a new OEM caliper)[/quote] Why not just take the pads out and use hydraulic pressure from pedal to push pistons out? Failing that remove caliper from vehicle and use plumbers wrench, failing that for cut a groove in piston with angle grinder and use pry bar. If its seized flush with caliper body, which I haven't seen before then there's another problem. Cheers James 110 2012 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop |
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17th Jun 2024 7:54pm |
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