Hello

My first post here, but not my first visit.

I have a 2010 5.0 Supercharged, not my first RR, having had a 4.2 SC before this one and numerous other vehicles, including P38's and Classics and the odd Discovery.

This one I purchased at the end of 2016, with just 40k miles on and having completed less than 62,000 I have suffered from gearbox/transfer box failure. It appears to be as a result of the lack of lubrication between the gearbox output and transfer case input that has been noted in a few other posts. I have photographs, which I cannot yet attach.

I wrote to LR, who have informed me that (these are their own words) "...our Internal Technical team .... have confirmed that the part you have experienced concerns with is unfortunately heavily influenced by driving style."

I wrote again and was told, once again "I am sorry to learn that you remain disappointed with the response I have provided however this is after gaining further guidance from our Technical Team whereby it has been advised that the part is a result of wear and tear due to potential driving styles."

I am aware of a few other posts where this has been discussed and wondered if any other members had experienced this approach from JLR.

I think the 5.0 has the same 8-speed gearbox as the 4.4 diesel. There are a few of us here including Baltic Blue who has complied a fault list and I can't say I've heard of this myself. The diesel has 700nm of torque which is more than the 5.0 I think. Some have chipped their diesels up to 800nm and trans failure has not been really mentioned a lot or at all. It's been discussed that 700nm is at the upper limits of this box though. Anyway if it was driving style, we'd have heard about it. Or lunched a few boxes ourselves.

Has your car got a tow bar fitted?

. Cheers, Greg
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2011 Vogue SE 4.4 with lots of toys in Stornaway

Last edited by GGDR on 4th Apr 2018 1:05pm. Edited 1 time in total

cancel that, 5.0 has a different box.

I'd still like to know if you car has a tow bar. It's a possible explanation for extreme abuse. Maybe.
. Cheers, Greg
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2011 Vogue SE 4.4 with lots of toys in Stornaway

I've seen a reply almost exactly the same wording that was sent about a different (known) problem on an out of warranty Rangerover. I think this is pretty much what any manufacturer would respond to an issue on an 8 year old car, I certainly wouldn't expect them to accept any responsibility.

Hi

Thanks for your reply. No, is the answer. The car has no tow bar and has never had one fitted. It has a full, main-dealer service history and it is hard to imagine the abuse it could have been put through in just 62,000 miles that would lead to such a failure.

Perhaps, but after 8 years as said above, no manufacturer is going to give a monkey's unfortunately.

Save yourself the heartache of beating on their door to no avail and move painfully on to repairing it!  Bish.

2005 110 TD5 CSW
2011 TDV8 Vogue SE (gone)

cass wrote:

I've seen a reply almost exactly the same wording that was sent about a different (known) problem on an out of warranty Rangerover. I think this is pretty much what any manufacturer would respond to an issue on an 8 year old car, I certainly wouldn't expect them to accept any responsibility.

bishbosh10 wrote:

Perhaps, but after 8 years as said above, no manufacturer is going to give a monkey's unfortunately.

Save yourself the heartache of beating on their door to no avail and move painfully on to repairing it!

I have no experience of JLR's attitude I'm afraid. But if your warranty provider is saying this failure is "wear and tear" I'd be amazed, and quite frankly rather angry! If a warranty doesn't cover something like this then what is the point of it?
Good luck with getting this resolved.

Is the failure through fretting corrosion of the spline, rather than a torsional failure?

http://www.fullfatrr.com/forum/topic32191.html?

Phil

Absolutely, yes.

It looks just like the pictures; the splines on the shaft and cup have worn and there is no sign of any lubrication ever having been present.

Nothing but gibberish from JLR, on the subject and I am finding it difficult to reconcile their attitude. They seem content to accept that this part of their cars can wear away in less than 62,000 miles, yet the recommended service interval for the supercharger belt is almost double this mileage.

They tell me that these parts are not lubricated at the factory and the anti seize grease is only used if these parts are refitted. At maufacture they are fitted dry.

I don’t manufacture vehicles, but surely any metal on metal contact requires some form of lubrication.

The splines would have to be lubricated at assembly otherwise this would be a common failure - your vehicle got missed. The D4 WSM specifications for the transfer case input shaft spline list the lubricant.

Input shaft splines grease Weicon TL7391

Well you’d think so wouldn’t you, but Land Rover sent me an email today with the following, when I suggested a lack of lubrication;

“...anti seize grease is applied during the removal and refitting of the transmission. However this is a service procedure and is not necessarily the same process completed when the vehicle is in the manufacturing process as these parts are fitted dry.”

I suspect that the shaft is coated with a dry lubricant by the TC manufacturer allowing the g/box and transfer case to be assembled without mess and therefore no cleaning-up during assembly. It might be dry but a lubricant none the less.