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Home > Maintenance & Mods (L322) > Seized pins in callipers extra six hours labour

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mpirie

Member Since: 26 Jun 2012
Location: In the Highlands
Posts: 899

2013 Range Rover Autobiography SDV8 Luxor

Baltic Blue wrote:
Just wondering, has anyone found a suitable “G” clamp device for pushing the pins out

I tried a G clamp too, but the amount of torque required was way over anything i could muster.

I never tried the ball joint splitter, but I wish I had.

Thinking about it, if a parallel punch and hammer are not shifting the pin, then the little force of a G clamp will not move it either.

Mike

19th Dec 2017 10:40am

nino_nino

Member Since: 29 Mar 2015
Location: pocitelj
Posts: 690

2012 Range Rover Autobiography Black TDV8 Santorini Black

.

BB, this is my modified G clamp that should work :

Click image to enlarge

main modification is removal of the swiveling foot, cutting a groove for clamp to settle the pin, grinding concave indent on the top of the bolt and grinding flath end of the bolt on two sides .

Click image to enlarge

The pin protrudes on the outside of caliper 3.3 mm, so, put the clamp gruve over the pin, center the clamp bolt on the pin and tighten bolt as far as it will go, if the pin doesn't release than whack it with-in my case- 9 pound short sledge hammer.
The advantage over parallel punch is that with G clamp pin is preloaded and bolt is acting as a parallel punch held in place by indent on the top. So whack it and it must give

19th Dec 2017 4:18pm

TomCobbly

Member Since: 29 Jun 2016
Location: Guildford
Posts: 122

2011 Range Rover Vogue SE TDV8 Baltic Blue

I can see how that might work from the outside with the pin intact but the problem I found was that the pin gets stuck at the other end where the clip is on the pin. In my case the other end stayed fast and the pin just bent. I then had no choice other than to cut the pin leaving a stub to press on. I ground a chamfer on the inside cut end so it wouldn't get stuck when pressing it out.

If you find the pin bends and you have to cut it the G - clamp won't fit on the stub left inside of the caliper. 2011 4.4 TDV8 Vogue SE
1993 Discovery 1 3.5 V8i

Last edited by TomCobbly on 20th Dec 2017 7:59am. Edited 1 time in total

19th Dec 2017 7:52pm

Cavalier

Member Since: 04 Sep 2015
Location: Bletchley
Posts: 189

2011 Range Rover Vogue 4.4 V8 Orkney Grey

Hi Craig

The total cost of this work including vat was £1600. New discs, new pads all genuine LR parts, inclusive of bleeding the system having had to remove the callipers to the bench for drilling out. In your experience Do you think that is a bit costly?. He also changed one of wheels for the spare, as he did not like the look of a tyre. He also collects and returns the car, does a general pre mot type inspection each time he has my car in. Although it is a lot of money I think I was just unlucky.

19th Dec 2017 8:57pm

mezo

Member Since: 13 Mar 2022
Location: Milton Keynes
Posts: 22

2012 Range Rover Vogue SE TDV8 Java Black

Just had the joy of doing the front brakes on my 2012 4.4 TDV8 with the Brembos. Those pins are a nightmare.
Had a brainwave and adapted an air-hammer to make it into a drift. On both sides it loosened the upper pins fine, but on both sides it wouldn't budge the lower pins - so i cut the pins out, then use the air hammer to drive the stubs out.

Getting the pins back in was also tricky, despite cleaning out the holes very thoroughly - on the last side, i used the air hammer to snug the pin back in again.

If your callipers are painted - i cant guarantee you wont slip a chip the paint if you are not careful.

Click image to enlarge

20th Oct 2024 12:20pm

Gremlin500

Member Since: 11 Mar 2022
Location: Newcastle, UK
Posts: 1477

Prevention is better than cure!

I take the pins out before and after Winter, clean everything up, and reassemble with THIS stuff which you can find on eBay, never had a stuck pin yet:

[img]https://www.fullfatrr.com/gallery/albums/userpics/24757/normal_IMG_0905.jpeg[/img]

£4.60 for 10 years’ worth! “If it ain’t broke, don’t fix it” -where’s the fun in that?

20th Oct 2024 12:45pm

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