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Sandyt



Member Since: 07 Nov 2013
Location: Wraysbury Windsor
Posts: 2257

United Kingdom 2007 Range Rover Supercharged 4.2 SC V8 Buckingham Blue
Lifespan of rear bags

Gents as most know I do long journeys in my fattie so question is would it be prudent to swap the rear airbags more of my preventative maintenance as they are the originals and have done 225k miles and also are 15 years old in June ?

Post #633303 31st May 2022 7:02am
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Merchy



Member Since: 14 Feb 2021
Location: North Wales
Posts: 1181

United Kingdom 2006 Range Rover Vogue Td6 Zermatt Silver

Wow, those units have lasted well. Thumbs Up

Depends, if you do not plan to sell the car soon, then if it were me I would plan to change them in the not too distant future, as you said....Preventative maintenance.....always the best route for reliability, much better than the crossed fingers technique.

Post #633307 31st May 2022 7:25am
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JayGee



Member Since: 27 Jul 2021
Location: London
Posts: 3205

United Kingdom 2012 Range Rover Vogue 4.4 V8 Orkney Grey

Given the complexity of the system you should (following preventative maintenance logic) replace the compressor, airlines, valve blocks , air tank
If it isn't broken - don't fix it. 2012 TDV8 Vogue (L322)

Post #633310 31st May 2022 7:51am
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Sandyt



Member Since: 07 Nov 2013
Location: Wraysbury Windsor
Posts: 2257

United Kingdom 2007 Range Rover Supercharged 4.2 SC V8 Buckingham Blue

Fronts and compressor were changed about 6 years ago and it is showing no faults but dont really want to get stuck a thousand miles from home so might change them and the dampers

Post #633314 31st May 2022 8:17am
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Sandyt



Member Since: 07 Nov 2013
Location: Wraysbury Windsor
Posts: 2257

United Kingdom 2007 Range Rover Supercharged 4.2 SC V8 Buckingham Blue

I rarely sell a car still have my classic and p38 in the back garden both with mot but dont get used much

Post #633315 31st May 2022 8:17am
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Googs



Member Since: 19 May 2022
Location: Tassie
Posts: 158

Australia 

JayGee wrote:
Given the complexity of the system you should (following preventative maintenance logic) replace the compressor, airlines, valve blocks , air tank
If it isn't broken - don't fix it.



May I ask why you don’t fix the air tanks?

Post #633320 31st May 2022 8:46am
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dhallworth



Member Since: 10 Oct 2011
Location: Glasgow
Posts: 3074

United Kingdom 2012 Range Rover Autobiography TDV8 Baltic Blue

I changed the rears on mine in November, Sandy. They still looked in good shape when I removed them but I figured that seeing as I was in there doing the rear shocks I'd do the rear bags.

These are the ones I fitted to mine:

https://www.island-4x4.co.uk/rear-spring-l...38856.html

Not a bad job to fit.

I read that Bilstein were the OE to LR and that picture certainly implies it so I bought 2 of them as they were £130 each less then the LR boxed ones.

One thing I would do though is remove the tank, wire brush it and paint it. They're very thin metal and weigh next to nothing but suffer from corrosion horribly!! It's very simple to remove too! 2 bolts at each end of the reservoir and one air line connector.





After wire brushing they come up great.



I then applied Bilt Hamber Hydrate 80 to mine.



Then some zinc galvanising spray.

Click image to enlarge


Then a final coat of Bilt Hamber Epoxy Mastic before refitting it.

Click image to enlarge


David. 2002 4.6 Vogue SE - Alveston Red with Lightstone Leather
2007 Range Rover Supercharged in Java Black with Ivory Leather
2012 Range Rover 5.0 SC Autobiography in Indus Silver with Jet/Ivory Interior
2012 Range Rover 4.4 TDV8 Autobiography in Baltic Blue with Sand Interior

Post #633332 31st May 2022 10:17am
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JayGee



Member Since: 27 Jul 2021
Location: London
Posts: 3205

United Kingdom 2012 Range Rover Vogue 4.4 V8 Orkney Grey

Like your workshop..... 2012 TDV8 Vogue (L322)

Post #633339 31st May 2022 11:10am
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Sandyt



Member Since: 07 Nov 2013
Location: Wraysbury Windsor
Posts: 2257

United Kingdom 2007 Range Rover Supercharged 4.2 SC V8 Buckingham Blue

Great finish on that David
I replaced the shocks about 4 years ago so about 80k ago so might just do the bags shocks and might even put in a new tank should keep me busy for a couple of days Very Happy

Post #633340 31st May 2022 11:12am
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dhallworth



Member Since: 10 Oct 2011
Location: Glasgow
Posts: 3074

United Kingdom 2012 Range Rover Autobiography TDV8 Baltic Blue

Thanks guys Smile

Sandy, these are the rear shocks I fitted - https://www.eurocarparts.com/p/bilstein-shock-absorber-635670495

Were cheaper there then anywhere and meant the bags and shocks were matched. Probably doesn't make that much difference in reality. It seems to ride well on them though.

Part number for the air receiver is used to be RQN500013 but was superseded to RQN500080.

Current RRP is £196.69.

David. 2002 4.6 Vogue SE - Alveston Red with Lightstone Leather
2007 Range Rover Supercharged in Java Black with Ivory Leather
2012 Range Rover 5.0 SC Autobiography in Indus Silver with Jet/Ivory Interior
2012 Range Rover 4.4 TDV8 Autobiography in Baltic Blue with Sand Interior

Post #633341 31st May 2022 11:19am
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Googs



Member Since: 19 May 2022
Location: Tassie
Posts: 158

Australia 

Great write up David, thanks for sharing mate
That a damn big workshop u have mate!

Post #633392 31st May 2022 7:23pm
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dhallworth



Member Since: 10 Oct 2011
Location: Glasgow
Posts: 3074

United Kingdom 2012 Range Rover Autobiography TDV8 Baltic Blue

Thanks!

There’s loads more pictures of work done on my other thread:

https://www.fullfatrr.com/forum/topic57991.html

David. 2002 4.6 Vogue SE - Alveston Red with Lightstone Leather
2007 Range Rover Supercharged in Java Black with Ivory Leather
2012 Range Rover 5.0 SC Autobiography in Indus Silver with Jet/Ivory Interior
2012 Range Rover 4.4 TDV8 Autobiography in Baltic Blue with Sand Interior

Post #633403 31st May 2022 8:54pm
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Sandyt



Member Since: 07 Nov 2013
Location: Wraysbury Windsor
Posts: 2257

United Kingdom 2007 Range Rover Supercharged 4.2 SC V8 Buckingham Blue

dhallworth wrote:
Thanks guys Smile

Sandy, these are the rear shocks I fitted - https://www.eurocarparts.com/p/bilstein-shock-absorber-635670495

Were cheaper there then anywhere and meant the bags and shocks were matched. Probably doesn't make that much difference in reality. It seems to ride well on them though.

Part number for the air receiver is used to be RQN500013 but was superseded to RQN500080.

Current RRP is £196.69.

David.

Brilliant David might as well do it all in one go Thumbs Up Thumbs Up

Post #633436 1st Jun 2022 8:26am
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