Zagato wrote:

I would say at least 70% of the late ones that come into me for undersealing have a leak on the passenger footwell. I have had clients who have had the whole dash board taken out and re-fitted to get to the bottom of the leak (unfortunately the dash and control knobs were not put back properly!), new door seals put on to no effect, horrible peeling sealant of various types plastered all along the bulkhead to windscreen frame gasket and even around the door seals and windscreen rubber

Another possible area for water ingress is through the bulkhead where anything is bolted on in that area or where a fastener goes through. If you look at the rear corners of the engine bay/wing top you will see a useless rubber gutter strip that is pushed on to divert water away from the bulkhead!

The problem is that there does not seem to be one cause for the leak although this specific footwell leak is very common, as it can happen on the drivers side as well.

The only thing to do is work your way through the possible causes. Clients have said their vehicles have been cured of leaks from what I have done but I doubt all of them have but this info may help to cross problem areas off the list. This is what I do which may help and be added to by others hopefully who also have insight to a possible cure...

Seal the windows... as per the water ingress guide with ArboMast Autograde Windscreen Sealing Compound.

Seal the false windscreen hinge blocks... with the same ArboMast sealant. They unbolt from the inside, warning sometimes they are holding together the bulkhead and frame at great force and getting them back on can be tricky.

Seal the possible gap in the foam gasket strip behind both hinge blocks with the same ArboMast sealant and run a line of ACF-50 along the entire length of the gasket under the windscreen frame. The foam strip stops and starts at these two points behind the hinge blocks!

Seal all the fasteners on the bulkhead with any wax or water repelling spray e.g. ACF-50. Corroheat, Dinitrol high perfomance wax etc etc. I would not use Waxoyl however as it damages rubber gaskets and is not vibration proof (also just dries and cracks up, in fact I wouldn,t use waxoyl anywhere, there are far better products these days!)

Renew door seals if they have become tucked up out of shape near the mirror hinge.

Check air intake system...

dorsetSmith has just linked this on another thread, VERY USEFUL , shows the areas that can leak and what LR technicians should do about it...

https://onedrive.live.com/?authkey=%21AHB0...mp;o=OneUp

Thanks Zagato. My old Def was leak free, but this one has water ingress after heavy rain into (mainly) the passenger side footwell, a small puddle, and (a little) into the driver's side footwell, drips onto the right foot when driving. Gonna strip her soon for sound insulation, so shall address all holes (as far as I can find them) at the same time.  Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey

ickle wrote:

If they are trying to ignore badly welded axles which let the wheel fall off, transmission adaptors that strip losing all drive, clutches made of cheese, leaks & corrosion everywhere, I wonder if they will take any notice of another rogue part / fitting issue?