3 litre inlet manifold crack problems

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Originally Posted by BBS Guy

Thats a bit odd, as you can see in the pictures in the first post, I used these two latest Part numbers and specifically inspected them in comparison to the two failed ones that were removed to look for any sign of improvement, modification or strengthening and I noticed no difference at all.

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Colin,


I didn't see the new and old manifolds. I'm just reporting what my mechanic told me about the difference between the new and the old. He usually knows everything there is to know about Land Rovers so I didn't question him.


It is possible that my car over boosted because he also said that the vacuum hose to the wastegate was broken when they found the manifold problem. Again, I didn't see it and I don't know how it wouldn't get an error if the wastegate wasn't working. I don't even know if our cars have a wastegate, so I am only reporting what he told me.

Sounds like we all need those bogan blow off valves the grey import jap 4 pots have on them .... Rrrmmmm - chssss Rrrmmmmmm- chssssss

[ame]https://m.youtube.com/watch?v=Gn-AoxKQB90[/ame]

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Originally Posted by BobD

It is possible that my car over boosted because he also said that the vacuum hose to the wastegate was broken when they found the manifold problem. Again, I didn't see it and I don't know how it wouldn't get an error if the wastegate wasn't working. I don't even know if our cars have a wastegate, so I am only reporting what he told me.

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Not sure about LR, but on my Saab if it detects that the wastegate is not operating properly, it uses the electronic throttle/butterfly to regulate manifold pressure correctly, and logs a silent code. Just wondering if our diesels do similar, seeing as we have an inlet butterfly?

Does the 2.7 have plastic intake or just 3.0?

Cheers

Same part, same part #, there has been no "improved" versions of this manifold. Thats coming from both my mechanic & Trivetts.

It's not an issue with the D3 being a single turbo, it's the extra boost pressure from the secondary turbo on the 3.0 ltr.

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Originally Posted by BobD

Colin,

I don't even know if our cars have a wastegate, so I am only reporting what he told me.

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Listen to the end of my video for the sound. ;)
[ame]https://youtu.be/QyF46v9PXP8[/ame]

I just had the cracked manifold happen to my D4 MY10 3.0. [bawl]

Driver's side, 97,000kms (mostly suburban kms), 7.5 years old.

Symptoms - "Restricted Performance" getting more and more frequent, amber engine warning light. Loss of power (as the boost escapes), and eventually no turbo boost at all and can hear gasses escaping under load. When the engine bay is open and the plastic engine cover is removed, there is some soot under a rubber cover (as per photos earlier in thread).

To replace one side it took 1 day's labour and associated parts, which took the bill to around $2200. [bawl]

Thanks for this thread though (which I found after everything else), as it is at least good to hear it is a documented problem. If only someone had also found out that it is all paid for by LR.... ("tell him he's dreamin!").

N

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Originally Posted by Discovered 1 2

N

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Mmm