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JonnyCJ



Member Since: 25 Apr 2011
Location: Wirral
Posts: 333

United Kingdom 
TDV8 plastic manifold replacement

Contemplating diving in head first to change my plastic manifold, which I've found out is giving me a big plume of black smoke under hard acceleration and sometimes the Restricted Performance message.

Brand new LR manifolds are a huge wedge of cash, so going to fit a used non-cracked LR one.

I've identified the rubber gasket as LR005898 for the driver's side manifold, but would appreciate guidance on whether this is something best purchased from LR, or are the Britpart, Febi etc replacements ok ?

I've watched the Life as Usual very helpful video on Youtube on how to do it. Looks like a lot of spannering and unclipping going on, which is fine, but concerned about putting the correct blts back in the correct holes. Is it perceived wisdom to put each bolt straight back into the hole it came from and then this gets rid of the problem, or are they all prettty much the same ?

I've changed my aircon condenser myself without too much fuss, so hoping this job is up to my skill level.

Thoughts, tips, help, guidance, advice etc very welcome !

Cheers

Jonny

Post #644361 Mon Sep 23 2024 11:56am
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d-9



Member Since: 10 Jan 2017
Location: Wiltshire
Posts: 304

United Kingdom 2007 Range Rover Sport TDV8 HSE Java Black

Assuming you’re talking about one of the inlet manifold/cam covers on the 3.6 tdv8, not fitting new is a massive false economy. It’s quite a lot of hassle because the injectors have to come out. Looking around online new manifolds are £200 or so.

FYI according to LR you also need to replace the injector fitting kits because the pipes and clamps are single use. Sometimes you can get away with reusing them but it can cause leaks around the injector at a later date

Post #644689 Sun Oct 13 2024 8:11am
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JonnyCJ



Member Since: 25 Apr 2011
Location: Wirral
Posts: 333

United Kingdom 

Thanks D-9 - won’t an original LR part be better than a new aftermarket part ? Given that the new LR manifolds are £££££ and I do about 6,000 miles a year, the fact that the original one has probably done 100,000 miles before cracking I’m thinking I won’t own the car in 5 years, although no current plans to sell.

Good point re the injector fitting kit and pipes. Will get those replaced whichever way I go.

Post #644692 Sun Oct 13 2024 9:01am
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d-9



Member Since: 10 Jan 2017
Location: Wiltshire
Posts: 304

United Kingdom 2007 Range Rover Sport TDV8 HSE Java Black

I would assume that any original LR manifold is either cracked (hence it’s been removed) or about to crack (because it’s at least 14 years old and has gone through a zillion heat cycles on top of an engine and probably done at least 100k miles). FWIW one of my manifolds went at about 115k and one at around 150k, around 8yrs and 9yrs old.

Post #644696 Sun Oct 13 2024 11:23am
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