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Home > Off Roading & Green Laning > How deep can a LR2 go with a snorkel?
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sro



Member Since: 25 Oct 2011
Location: California
Posts: 68

United States 2008 LR2 i6 SE Auto Zermatt Silver
How deep can a LR2 go with a snorkel?

I'm talking to Mantec about procuring a snorkel for the LR2. Does anyone know how deep the LR2 could go with such a device? I'm wondering if there would be any issue over the rated 19.7 inches with electrics, cabin flooding, etc.

The deepest stream I've forded so far is about 12 inches. I'm hesitant to go any deeper because I don't want to risk stalling if the water temporarily rises above 19.7. Installed a hitch, stock roof rack, mantec skid plates, General Grabbers AT2 255/60/R18, and a rear access ladder. Also made a hitch-mount for the winch. Looking to install a front hitch, rooft-top basket, and lift kit.

Tracking modifications and off-road experiences here: http://sam.odio.com/lr2/

Post #118163 26th Oct 2011 5:07 am
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Tigger



Member Since: 30 Mar 2011
Location: L15KRD
Posts: 2555

United Kingdom 

Also consider that breather pipes are designed with a 500mm (19.7") wade depth in mind too...

Post #118166 26th Oct 2011 7:43 am
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BossBob



Member Since: 30 Sep 2010
Location: Bristol
Posts: 1255

England 2007 Freelander 2 TD4 GS Manual Baltic Blue

I've had mine with water over the bonnet on entry and only the bow wave effect keeping the air intake on the left wing out of the water. my understanding is that the FL2 will start to float with water much deeper. there was no evidence of water in the cab at all as the door seals are very effective.

Post #118171 26th Oct 2011 8:06 am
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npinks



Member Since: 28 Jun 2007
Location: Ls25
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Don't believe they do a snorkels for the fl2, and I don't think they are fully watertight either Former Mod/Member, with the most post & Chicken George Arch nemesis

Post #118172 26th Oct 2011 8:06 am
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sro



Member Since: 25 Oct 2011
Location: California
Posts: 68

United States 2008 LR2 i6 SE Auto Zermatt Silver

npinks wrote:
Don't believe they do a snorkels for the fl2, and I don't think they are fully watertight either


You're right, turns out Mantec never made the snorkel for the LR2 due to complications with the air intake. I guess that's it. Installed a hitch, stock roof rack, mantec skid plates, General Grabbers AT2 255/60/R18, and a rear access ladder. Also made a hitch-mount for the winch. Looking to install a front hitch, rooft-top basket, and lift kit.

Tracking modifications and off-road experiences here: http://sam.odio.com/lr2/

Post #118177 26th Oct 2011 8:39 am
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Andy131



Member Since: 10 Dec 2009
Location: Manchester
Posts: 2161

United Kingdom 

Unfortuanetly the snorkle/raised air intake just isn't enough. The rest of the air intake would have to be modified/replaced as it isn't watertight, this would probably nessesitate removing the wing.

If you do go down that route remember to extend the breathers for the diff, transmission and gearbox. On the FL1 it was common practice to fit a small in line filter to the end of the breather for the auto gearbox.

On the FL1 floating was a problem, the build quality on the FL2 certainly is no worse so I would expect the FL2 to float, starting with the rear long before the bottom of the windows was reached. Didn't try to open the doors (to mimick older LR) to see if the electrics would stand it Whistle Tangiers Orange - gone, missing her
Replaced by Ewok what a mistake - now a happy Disco Sport owner

Post #118198 26th Oct 2011 12:57 pm
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julytourist



Member Since: 16 Dec 2010
Location: West London
Posts: 409

United Kingdom 2010 Freelander 2 TD4 HSE Auto Rimini Red

This was a FR1 but worth noting... http://news.bbc.co.uk/1/hi/england/north_yorkshire/8540789.stm
JT Upgraded to an ex demo, 7 mth old, Rimini Red/Ebony Napoli Auto HSE on 28th Jan 2011, added roof rails, mudflaps and side strips.
Gone - A great 57 Plate, Auto SE, Bought Feb 2009, Roof Rails and Mudflaps added on purchase. Blue colour, anything but drug dealer black.....

Post #118254 26th Oct 2011 11:37 pm
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Andy131



Member Since: 10 Dec 2009
Location: Manchester
Posts: 2161

United Kingdom 

That the lady driver of the FL1 died is a shame, she was not the only one to loose her life in a submerged Land Rover in recent years.
But the comment "We estimate six inches of fast flowing water can knock you off your feet or can wash your car away" by David Rooke, Environment Agency was innappropriate in this instance. With a ground clearance of 8 inches even fast flowing water at 6 inches would only be acting on the wheels as the car would be clear on the water. Tangiers Orange - gone, missing her
Replaced by Ewok what a mistake - now a happy Disco Sport owner

Post #118255 26th Oct 2011 11:52 pm
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JJJ



Member Since: 20 Oct 2011
Location: Pretoria
Posts: 16

South Africa 2008 Freelander 2 i6 HSE Auto Alaska White

The image below shows the air intake ducting on an LR2.

Click image to enlarge

The lower edge of the intake grille is 850mm above the ground, although the ducting drops lower as it travels forward, but NOT below 500mm.

The 500mm "waterline" is around there where the black part of the front bumper meets the painted part. Not quite at the top of the rim, though.

Internally, the ECU sits very high - above the air intake, even - behind the firewall under the black cover between the rear edge of the bonnet and the lower edge of the windscreen. By the time the water reaches this level, it will enter the passenger compartment via the ventilation ducting.

So if you insist on using your LR2 as boat, the final warning would be - if by some miracle the engine is still running - when the water comes pouring through the air vents, to NOT go any deeper.

Personally, I would not go that far, though.

Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated Mr. Green

Post #118357 28th Oct 2011 4:07 pm
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sro



Member Since: 25 Oct 2011
Location: California
Posts: 68

United States 2008 LR2 i6 SE Auto Zermatt Silver

Yah, snorkel is definitely out, but it is good to know whether 500mm is the absolute max height or if you can go deeper than that.

I wonder where the are breathers for the diff, transmission and gearbox? I also wonder how watertight the ventilation ducting is. Also, do all models use side intakes? I've heard for some that the intake is located in the front. IE, this article mentions for my model (2008 inline V6) the intake is located in the "driver's-side front fender:" http://www.driving.ca/Road+test+2008+Land+...story.html That article also says that 500mm covers the tires completely so I'm not sure how I feel about the validity of their information...my tires are definitely taller than 19 inches Smile

I'd like to know I should be worried about first when approaching 500mm and I wonder if there are any easy modifications I can do so I don't have to be as worried about water when it's at or around tire height (say 500-700mm). Installed a hitch, stock roof rack, mantec skid plates, General Grabbers AT2 255/60/R18, and a rear access ladder. Also made a hitch-mount for the winch. Looking to install a front hitch, rooft-top basket, and lift kit.

Tracking modifications and off-road experiences here: http://sam.odio.com/lr2/

Post #118372 28th Oct 2011 6:02 pm
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sro



Member Since: 25 Oct 2011
Location: California
Posts: 68

United States 2008 LR2 i6 SE Auto Zermatt Silver

Just talked to an LR2 service dept and they said that the side vents on the 2008 gas model aren't used as an air intake and that those are just for style. Rolling Eyes

I'm away from my LR2 but I'll try to find the air intake next week. Installed a hitch, stock roof rack, mantec skid plates, General Grabbers AT2 255/60/R18, and a rear access ladder. Also made a hitch-mount for the winch. Looking to install a front hitch, rooft-top basket, and lift kit.

Tracking modifications and off-road experiences here: http://sam.odio.com/lr2/

Post #118380 28th Oct 2011 6:15 pm
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sro



Member Since: 25 Oct 2011
Location: California
Posts: 68

United States 2008 LR2 i6 SE Auto Zermatt Silver

TOPIX confirms JJJ's photo and contradicts what the LR service guy told me: air intake comes from drivers-side vent http://dl.dropbox.com/u/281/air-intake.pdf

Strange that both the LR2 mechanic and the above article would be wrong in stating that the air intake is behind the front fender on the driver's side. Installed a hitch, stock roof rack, mantec skid plates, General Grabbers AT2 255/60/R18, and a rear access ladder. Also made a hitch-mount for the winch. Looking to install a front hitch, rooft-top basket, and lift kit.

Tracking modifications and off-road experiences here: http://sam.odio.com/lr2/

Post #118388 28th Oct 2011 6:38 pm
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rchrdleigh



Member Since: 18 Aug 2007
Location: Somewhere in the East of England
Posts: 1601

England 2011 Freelander 2 TD4 XS Manual Baltic Blue

Strange also that 500mm might not be the real depth that a Freelander can safely negotiate!!

Post #118401 28th Oct 2011 8:07 pm
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alex_pescaru



Member Since: 12 Mar 2009
Location: RO
Posts: 4640

JJJ wrote:
The lower edge of the intake grille is 850mm above the ground, although the ducting drops lower as it travels forward, but NOT below 500mm.

Yes, it's true, but then it travel upwards again and the input to the air filter is higher again.
And accordingly to the communicating vessels principle, statically, you can "swim" up to the bottom part of the air filter.
Dinamically, as soon as the water enters the duct and up to the air filter, then, when the duct is full, a siphoning effect could apear and more water could be drawn, even if on the bottom part of the air filter housing are some small orifices in order to drain the water (vapours) that could enter up until there, by suction, on heavy raining weather.
In the end, one could modify the intake, using a different air filter housing and a different intake geometry.
But then again, maybe he bought the wrong car and next time better buy a Defender. Laughing

Post #118402 28th Oct 2011 8:19 pm
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rchrdleigh



Member Since: 18 Aug 2007
Location: Somewhere in the East of England
Posts: 1601

England 2011 Freelander 2 TD4 XS Manual Baltic Blue

According to LR the Defender and Freelander 2 both have the same wading depth of 500mm.
However, one of them can wade deeper and it doesn't necessarily begin with a D?

Post #118406 28th Oct 2011 8:41 pm
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