Sudden bang/jolt & hazards on …

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That is where the centre diff lives, looks like something inside came lose and jammed for just an instant between the spinning diff and the casing causing it to burst.

This makes a lot of sense!! Absolutely gutted as looks like I have to buy the whole lot with the gearbox… will try the garage where I got it last week tomorrow but reckon this will be down to me to sort… will see fingers crossed
 
Did you get a warranty with the Defender? If so, I’d say this is covered. It’s a sudden and unexpected failure, which is what warranties tend to cover, and are usually quite rare, which is why warranty companies usually wriggle out of paying for faults.
 
I had written a reply but for some reason it vanished. First off I'd take it back to the garage as that's definitely on them. It looks like it's just a new transfer box which isnt as bad as it sounds. As far as I'm aware even the newer ones still use the LT230 box and those are plentiful, either brand new or in good used condition. Even if the garage turn a blind eye (which they shouldn't do) it's easy enough to change. If I can do it myself, in the dark, in the street using a log and a piece of rope then anyone can lol
 
Looks like someone has gone a bit bonkers with gasket sealant on the box already so already been apart. And if they used that much sealant probably didn't have a scooby what they were doing.
 
I don’t get it, if you’ve had it 4 days and it’s gone bang it’s the garages issue to resolve - consumer rights exist for a reason? Don’t waste time and energy on thinking about fixing it yourself- unless you bought it as a private sale, very limited recourse there….

Climb down the phone to the supplying merchant and make them sort it pronto
 
The broken front output housing that contains the centre diff is a separate part from the main transfer box and can be removed without the transfer being removed from the vehicle. It does however share the same oil
If it were mine I would want the whole front housing and its internals replaced and the main box bottom plate removed to check for any bits that may have got there.
I agree with Mingus, someone has been there before for some reason. It is up to the garage to sort this.
 
Looking at the way that plate has broken, something's pushed it out from the inside. It covers the centre diff lock mechanism. Yes you can certainly loosen the front nose cone of the transfer box by taking its bolts out but can't withdraw it completely because the gears in the main bit of the transfer box are in the way. So it's usually easier to separate the transfer box as a whole from the primary gearbox and work on it comfortably on the workbench.

It's difficult to imagine why it put the hazards on, as that's all mechanical rather than electrical. However, the ECU is likely to be monitoring crankshaft speed, road speed (via the rear transfer box output), whether it's in centre difflock and whether it's in high or low range. So it maybe that these values got out of range momentarily as the problem happened. Similarly, I've suffered from both low oil and bearing wear at various times and they don't break the casting all by themselves. Some foreign object has come into contact with the mechanism and got thrown out through the side.

Anyway, try the garage first. In a career of Land Rover ownership, it's likely that you will have the transfer box out one day. But this is so soon after purchase that you want to try the garage - there's lots of policy and legislation in your favour.
 
You've probably seen the thread
https://www.landyzone.co.uk/land-rover/buying-a-crock-of-or-if-you-already-have.76002/
Which outlines a lot of the things you can do after having bought an unsatisfactory car. It goes up to 2012, so there may have been some minor changes in legislation, but the basics are all still there. The overall direction of travel of policy and legislation is towards greater rights for the consumer, so there should be a good deal of support in your corner.
 
Let's wait and see what the supplying dealer says.
They may just agree to repair it, problem solved.
lf they won't do anything, that's when you look at your legal rights.
 
That cover houses the diff lock selector and centre diff. The bronze thing you can see i assume is the selector thats come loose and smacked into the casing. My concern would be absence of oil. It would spray everywhere if it were full. Just get a new transfer box.
 
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