Flood - tractor driver

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The Ford P100 pickup had a low (ish) level air intake and we had one bend a con rod when it went through water. The same thing happened to a neighbours Merc van - he bent a con rod going through water and it was actually covered on his insurance.

Why would that be?, something to do with the cooling fan?
 
Why would that be?, something to do with the cooling fan?
Nothing to do with the cooling fan. He just went in water too deep for the air inlet. No different insurance wise, I presume, to having your car destroyed by flood damage. Instead of writing the van off, they stumped up for the engine to be repaired.

Once, me and two other mechanics were on a fishing trip in Norfolk and we tried to cross a flooded ford in an Orion diesel car. That took in water and hydraulically locked the engine which was luckily only on tickover. We got soaked pushing it out but we removed the glow plugs, spun it over and cleared the cylinders, put the glow plugs back in and started it up. No problem. My mate did the same crossing a ford in his BMW GS motorcycle - took the plugs out and cleared the cylinders. I think it’s when you hit water with high engine speeds that you do real damage.
 
Nothing to do with the cooling fan. He just went in water too deep for the air inlet. No different insurance wise, I presume, to having your car destroyed by flood damage. Instead of writing the van off, they stumped up for the engine to be repaired.

Once, me and two other mechanics were on a fishing trip in Norfolk and we tried to cross a flooded ford in an Orion diesel car. That took in water and hydraulically locked the engine which was luckily only on tickover. We got soaked pushing it out but we removed the glow plugs, spun it over and cleared the cylinders, put the glow plugs back in and started it up. No problem. My mate did the same crossing a ford in his BMW GS motorcycle - took the plugs out and cleared the cylinders. I think it’s when you hit water with high engine speeds that you do real damage.
Water won't compress. (y)
 
But they advise a decent engine speed, to keep water out of the exhaust, and to create a bow wave..

We were told by LR that the bow wave principal (enter the water quickly then slow down) was to position the belt driven fan in the trough behind the bow wave, but is obsolete methodology with the tech on newer vehicles.
Probably still isn't a bad idea even with electric fans.
 
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