Exhaust? Water Query

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BIOSBILL

BIOSBILL

New Member
Posts
147
Location
Norfolk UK
Hi,

Wonder if anybody can help?

Ive been told many different opinions on water, when it comes to exhausts, ranging from, "never allow the tailpipe to become submerged-this will lead to terminal engine damage" to "it doesnt matter if the tailpipe is submerged as long as the air intake (under the bonnet in Series Land Rovers??) doesnt get wet?"

Ive seen online people driving their Landy's with No Snorkel through water, with the exhaust submerged, is this damaging?

We often get pretty deep floods (top of the wheel, aproaching exhaust height deep) around where I live, and im wondering if its worth fitting a snorkel, just to drive through these?

Thanks, Biosbill
​
 
A snork won't help the exhaust tailpipe stay dry, but it's pretty useful for preventing you sucking a load of water into the intake - which is usually terminal for pretty much any engine, speshly a diesel.

You can extend the gearbox and axle breathers into the snork too which is handy if you're doing a lot of deep wading.

Check your axle and gearbox breathers before going wheel height depth, if there aren't extension tubes fitted (not sure if this affects ball bearing type breathers or not, someone else will know) then going above axle height might cause you problems until you fit some.

FWIW, any land rover engine will make enough exhaust pressure to keep the exhaust system free of water while you're wading, provided you don't stall it. If you do stall it, and you're sure no water has got into the intake, you should be able to just restart it again .

Cheers,
 
yup , and dont drive backwards.
your landy should be able to drive through 500 mm but ffs check this is right first as my memory is well shot and i may have pulled that figure from anywhere.
 
Hi again,


Thanks for your fast reply, that seems to have answered my queries!

I guess its unlikely for anything to enter the exhaust then, ill just have to check the axles/gearbox/Diff breathers, and make sure nothing enters the air intake!

Thanks again,

Biosbill
 
nobber said:
yup , and dont drive backwards.
your landy should be able to drive through 500 mm but ffs check this is right first as my memory is well shot and i may have pulled that figure from anywhere.
Click to expand...

Well wading depth for defenders and discoveries is 500mm so series is probably the same or very similar. As said already as long as engine is running water won't be sucked up exhaust and if you stall as long as water isn't higher than top of exhaust manifold no water should get into engine via exhaust pipe.
 
yer tiz
 

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