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Grenadier



Member Since: 23 Jul 2014
Location: The foot of Mont Blanc...
Posts: 5829

France 2011 Defender 110 Puma 2.4 DCPU Corris Grey
Full caliper/disc/pad change, what else at the same time?
End of the month I have a major overhaul of the Front brakes planned:

Pads
Discs
Calipers
Hoses
Fixed Lines

I also plan to do seals and regrease on both swivel joints.

But whilst in there, what else should I consider on a 100k 2011 2.4 Puma? Are there any common problems/wear and tear items I should be looking out for? Are there any ‘absolutely do not forget to….’ pointers or top-tips?

I’m wondering about:

Seals
Bearings
Bolts
Etc

Maybe even as far as stub axle wear etc.

Any help or tips, as always gratefully received Thumbs Up Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey
Post #965109 15th Sep 2022 11:24am
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8058

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
I would regrease bearings if they are still sound. If they are original for 100k as your in there I would change then anyway and replace with tab and double nut system over the origonal stake nut setup.

Brake fluid flush.

Consider flexi hoses from chassis to caliper with 45deg bango on back caliper. Ones less join and makes caliper removal simpler on future.

King pin bearings or reshim for wear.

Track rod ends. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #965111 15th Sep 2022 11:48am
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The Zee



Member Since: 26 May 2019
Location: Salisbury
Posts: 289

United Kingdom 2014 Defender 110 Puma 2.2 USW Indus Silver
The hardline brake pipe/pipes that run along the rear axle - I replaced with a SS overbraid Flexi hose from Pioneer 4x4, it elimates the corrosion isssue of a hardline.

Also worth getting the brake line fittings that the rear flexi lines go into thats bolted to the axle, a little brass 4 way connector.

I did exact what you are doing 2 years ago to my 110 Puma, refubished calipers with SS pistons, discs, pads, wheel bearings, hoses, fluid. The whole braking system felt so much more progessive, and solid. Thumbs Up Zaid-M
www.DefencePhotos.com
2014 Defender 110 Utility, 2.2 Puma, Indus Silver
Not just transport more like a religion
Post #965114 15th Sep 2022 12:34pm
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Leamreject



Member Since: 19 Dec 2020
Location: Middle Earth - Leamington Spa
Posts: 970

Italy 2011 Defender 90 Puma 2.4 HT Fuji White
On my 2011 Puma at 60K just a few weeks ago I replaced Discs and Pads all round including the Brake Servo and Servo Vacuum Pump. But the brake performance was generally shocking and changing just pads and discs made no difference even after bedding in.

Much better now Thumbs Up Ride like you stole it!!
If I’m not on a bike it’s because only a 4x4 will do…
2011 2.4 Puma 90 HT


Last edited by Leamreject on 15th Sep 2022 4:45pm. Edited 1 time in total
Post #965118 15th Sep 2022 1:06pm
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jpboost



Member Since: 13 Apr 2021
Location: Gatwick
Posts: 377

United Kingdom 2014 Defender 110 Puma 2.2 SW Keswick Green
If there's nothing wrong with the existing wheel bearings, then there's no reason to change them.

Clean, inspect, re-grease and refit.

But.....

If you get it apart and they are damaged, then you end up waiting for parts. Depending on how long you can cope with it being off the road, you may want to buy the bearings so you have them to hand if you need them. My Defender is my daily drive, so when I get to this job, I'll probably pick up the bearings just in case, so I can get he car back on the road without delay.

That said, if I buy them, and have it apart, I may end up putting them in!
Post #965138 15th Sep 2022 3:01pm
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Mossberg



Member Since: 29 Feb 2020
Location: Lancs
Posts: 553

United Kingdom 1993 Defender 90 300 Tdi HT Aintree Green
Caliper bolts. Having suffered with some that wouldn't come out, definitely change.
Post #965143 15th Sep 2022 3:51pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2107

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
^ Thumbs Up

I’ve lost days of my life, and layers of skin, removing stubborn caliper bolts.

Having to remove a recently replaced caliper for unrelated reasons, the joy of undoing a ‘new’ bolt cannot be overly exaggerated Rolling with laughter

They are relatively inexpensive.

And if you’re a brake disc dust shield fan, now would be a good time to replace (or banish to room 101)…
Post #965151 15th Sep 2022 5:24pm
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Grenadier



Member Since: 23 Jul 2014
Location: The foot of Mont Blanc...
Posts: 5829

France 2011 Defender 110 Puma 2.4 DCPU Corris Grey
Thank you all. I think bearings might be worth it given where I live (Alps, so lots of salt, water, snow etc during winter Months, normally Dec through to late March). Mine is a daily driver, and whilst I have access to my wife’s car, it’s a bind. So good to get it done in one go.

With regard to other suggestions, I have a full brake line upgrade planned. The RHS fixed line in the engine bay had a friction created split, and suddenly burst. So those three lines (RHS, LHS and T-Jnc) were all replaced six months ago. But I have a full pioneer kit to do the back end as well, and further have Goodrich braided lines for the calipers.

Talking of which, I’ll make note to get some new bolts for the new calipers. Makes absolute sense.

JST, track rod ends are also already bought and ready for fitting. Some of the rubber is definitely degraded. And then some new tyres all round.

Thank you all. Bow down Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey
Post #965196 16th Sep 2022 6:42am
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2107

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Although some may consider this overkill…

Whenever I’m contemplating any work on brakes, suspension, steering etc. I always spend some quality time browsing the Gwyn Lewis and YRM product pages. There’s always an upgraded or improved bracket, bush or fixing that I simply MUST have to complete the work…

Sad I know Confused
Post #965197 16th Sep 2022 7:05am
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Mossberg



Member Since: 29 Feb 2020
Location: Lancs
Posts: 553

United Kingdom 1993 Defender 90 300 Tdi HT Aintree Green
Two more things;

Consider doing the modification to the bracket on the swivel pin housing to allow you to remove the caliper without disconnecting brake lines.

Get a socket that is a snug fit on the caliper bolts. I have a few 13mm bi-hex and also 1/2" bi-hex. People say use the 1/2" but the best bet is to try them. My best fitting socket was a 13mm Kennedy which was the tightest fit of the lot - it didn't need hammering on but it was a good snug fit with no twist. Unfortunately you won't know which is best until you try the individual socket.
Post #965204 16th Sep 2022 9:16am
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Oldowner



Member Since: 26 Dec 2018
Location: South west
Posts: 625

United Kingdom 2007 Defender 90 Puma 2.4 HT Aintree Green
I purchased a Pioneer 4x4 stainless kit for my Puma 12 months ago but wasn’t that impressed - it did not come with the correct spline type ends to fit the Puma chassis. Shame really as I fitted one of their prototype kits some yard ago to my 300tdi.

In the end the only braided stainless hoses I could find with the correct Puma / late Td5 splined ends were Britpart - they have been surprisingly good in use with no issues.
Post #965265 16th Sep 2022 10:42pm
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kenzle8a



Member Since: 12 Feb 2020
Location: None
Posts: 1074

 
jpboost wrote:
If there's nothing wrong with the existing wheel bearings, then there's no reason to change them.

Clean, inspect, re-grease and refit.

But.....

If you get it apart and they are damaged, then you end up waiting for parts. Depending on how long you can cope with it being off the road, you may want to buy the bearings so you have them to hand if you need them. My Defender is my daily drive, so when I get to this job, I'll probably pick up the bearings just in case, so I can get he car back on the road without delay.

That said, if I buy them, and have it apart, I may end up putting them in!


Thats why I bought the full LOF kit when I did mine, didn't end up using the bearings as mine were fine but at leastI now have a full set of Timkens on the shelf for when I need them.
Post #965272 17th Sep 2022 8:40am
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Dinnu



Member Since: 24 Dec 2019
Location: Lija
Posts: 3425

Malta 2012 Defender 90 Puma 2.2 CSW Santorini Black
If replacing so many things, might as well replace the axle tube if it is a mig welded 2011 axle Whistle 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black
Post #965274 17th Sep 2022 8:45am
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