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t5pete



Member Since: 31 Aug 2020
Location: Sheffield
Posts: 114

United Kingdom 2011 Range Rover Autobiography TDV8 Santorini Black
Cracked LH intake manifold

Hello all was driving on the motorway tonight and had a pop under acceleration followed by restricted performance.
Had a quick look and ide say it looks like the LH intake has split I was In my best clothes so didn't want to get too dirty and will investigate further on Sunday but would appreciate other peoples opinions or experience.
The 4 hoses have been replaced and inspected tonight.

Thank you


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Post #594952 21st May 2021 8:53pm
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Dolphinboy



Member Since: 07 Dec 2009
Location: Bristol
Posts: 3196

United Kingdom 

If it is the Inlet Manifold, then it will cost c. £1600 to replace. Mine went on the Pax side and they are a known weak point - LR have had the part upgraded as the originals were unable to take the pressure of the 2 turbos and the flexing caused splits.

Get a high pressure test done for any leaks first. then do a search for "inlet" on here.

Your starter for 10 is here. Good luck!!

https://www.fullfatrr.com/forum/topic43767-15.html

Post #594957 21st May 2021 10:04pm
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t5pete



Member Since: 31 Aug 2020
Location: Sheffield
Posts: 114

United Kingdom 2011 Range Rover Autobiography TDV8 Santorini Black

I would say it's most likely to be the manifold thats split as can also hear it with reving, I'll pressure test it and inspect Sunday. That's good news if they have a better quality manifold now do you happen to know the part number for the updated item or is it still LR034993

Post #594958 21st May 2021 10:21pm
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Chapeau! Velo



Member Since: 22 Jul 2019
Location: Down South
Posts: 115

United Kingdom 2008 Range Rover Vogue TDV8 Tonga Green

I’ve literally just had mine done. LHS too (3.6 TDV8). Specialist says this is now a common problem owing to age and mileage. Mine was a £700 fix with a LR indi using genuine parts if that’s a helpful barometer.

Post #594984 22nd May 2021 11:41am
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Dolphinboy



Member Since: 07 Dec 2009
Location: Bristol
Posts: 3196

United Kingdom 

Pete, I think the number is the same but you could check with Duckworths.

Here are my bills.

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Post #595009 22nd May 2021 5:14pm
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RRover



Member Since: 17 May 2021
Location: Sussex
Posts: 278

2012 Range Rover Westminster TDV8 Causeway Grey

Vindictive Added Tax is a killer these days...
We all need to become politicians to avoid such calamitous things...
Big Cry

Post #595010 22nd May 2021 5:29pm
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t5pete



Member Since: 31 Aug 2020
Location: Sheffield
Posts: 114

United Kingdom 2011 Range Rover Autobiography TDV8 Santorini Black

Dolphinboy wrote:
Pete, I think the number is the same but you could check with Duckworths.

Here are my bills.

Click image to enlarge


Click image to enlarge


Brilliant thank you

Post #595032 22nd May 2021 7:21pm
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t5pete



Member Since: 31 Aug 2020
Location: Sheffield
Posts: 114

United Kingdom 2011 Range Rover Autobiography TDV8 Santorini Black

Chapeau! Velo wrote:
I’ve literally just had mine done. LHS too (3.6 TDV8). Specialist says this is now a common problem owing to age and mileage. Mine was a £700 fix with a LR indi using genuine parts if that’s a helpful barometer.


Unfortunately the issue with plastic looks like it's most common on the lhs

Post #595034 22nd May 2021 7:36pm
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t5pete



Member Since: 31 Aug 2020
Location: Sheffield
Posts: 114

United Kingdom 2011 Range Rover Autobiography TDV8 Santorini Black

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Definitely the manifold

Post #595099 23rd May 2021 3:26pm
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JCW



Member Since: 13 Apr 2013
Location: Cotswolds
Posts: 891

United Kingdom 2010 Range Rover Autobiography TDV8 Santorini Black

Those look like replacement silicone connecting sleeves and possibly the jubilee clamp tightened a little too much placing extra strain on the plastic welded joint?

Post #595109 23rd May 2021 5:35pm
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t5pete



Member Since: 31 Aug 2020
Location: Sheffield
Posts: 114

United Kingdom 2011 Range Rover Autobiography TDV8 Santorini Black

Yes there the replacment hoses I changed the seam where the manifold has failed shouldn't be affected by the hoses and definitely not overtightend, to be honest I've noticed since getting our car there has always been a missing of oil round the lhd manifold area so been failing for a while by the looks of it

Post #595110 23rd May 2021 6:07pm
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Dolphinboy



Member Since: 07 Dec 2009
Location: Bristol
Posts: 3196

United Kingdom 

Removal is quite a protracted affair apparently as the injector lines need to be removed hence the labour cost.

Post #595113 23rd May 2021 7:00pm
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t5pete



Member Since: 31 Aug 2020
Location: Sheffield
Posts: 114

United Kingdom 2011 Range Rover Autobiography TDV8 Santorini Black

I can definitely see a fair amount of labour.

I've read through the manual and looks straight forward just a ball ache and injector no8 fouling on the inner wing for the removal so the engine needs lifting and battery side cover removed to gain access for removal, others have split the solenoid from the injector but my luck it would end up breaking so will just lift the engine.

Email sent off to Robin at duckworths for the parts and will post pictures in my thread once done.

Post #595135 23rd May 2021 10:30pm
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