Re: [A/S] Re: Tow vehicle advice needed

Hi Oliver,

Can you explain the urea in the diesels? I'm not quite sure what function it has except you have to add it occasionally, and it apparently doesn't have much of a shelf life.

Thanks!

anne in Santa Fe, waiting for the mighty winds

On Nov 30, 2011, at 7:40 PM, Oliver Filippi wrote:

> 2. Clean fuel is ESSENTIAL. So get your fuel where the truckers buy
> theirs, if possible.
>
> 3. Check your fuel filter regularly. Water is the villain. The fuel
> pump(s) on a diesel engine include a very high pressure precision pump and
> injector system. These parts are EXPENSIVE to replace. But the diesel fuel
> lubricates them, so you are fine as long as the fuel is clean, and does not
> contain water (moisture). Of necessity, some of these injector and pump
> parts are close tolerance, precision machined steel, which cannot tolerate
> water or rust. Hence the "repair" is an expensive replacement. Water in
> gasoline causes the engine to stammer or stop, but usually not massive
> damage to the fuel system.

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