Re: [diesel_mercedes] Re: Diagnosing Oil Leaks

 

On 12/19/2011 9:52 PM, Nate wrote:

 


Something that only leaks under full oil pressure.....

Welcome to The Mechanic's nightmare world .

-Nate
Chip wrote:
>
> Nate,
>
> Why was it that I never could get it to leak for me. I cleaned it all up and was under the car from more than a half hour with it running in the Embassy Suites parking lot. I could not get it to drip a drop.
>
> I suppose I needed to increase the rpm's to build the pressure in order to see anything. But at least by fingers, I have been over every inch of hose on the car and have found nothing. How could that be and then leak a quart of oil every 25 miles.
>
> Chip
> Windsor, NC
>
> --- In diesel_mercedes@yahoogroups.com, "Nate" <vwnate1@> wrote:
> >
> >
> > Be aware that one must never , _EVER_ use carby cleaner for -anything- because it attacks & destroys rubber (hoses) and plastic (more hoses & tubes) and so will , in every case , make things far worse .
> >
> > Use cans of Engine De - Greaser , the basic stuff , NOT ' foamy ' ,
> > ' steam ' , clinging ' or other bullcrap marketing junk , just Engine Brite brand PN EB1 or similar , spray on two whole cans then allow it to soak into the oil , spray more using a soft brush to work it all around & mix up the old road grime & grease ~ allow to soak for 20 minutes _minimum_ then rinse off with plain water , a garden hose or the coil operated car wash , buying used long sleeve clothes from the Thrift Shop first is wise because as you're doing this job , you'll get covered in oil , nasty mess and it's easier to disrobe & bag up the filthy clothes than it is to clean the mess out of the car seats & doors panels .
> >
> > In a pinch , the engine oil cooler hoses can be repaired at any big rig truck shop by cutting away the round collars where the hose meets the steel pipes , this collar is a manufactured crimp clamp & once it'd cut away , the old rotten hose can be slid off the end of the steel pipe revealing a standard Metric hose nipple , get some correct size _Hydraulic_ hose and some wide , heavy duty hose clamps , measure the hose length thrice , cut once , use the clamps and motor on home .
> >
> > This will work on those golden bronze colored plastic hoses in the fueling system and IP oil feed plastic pipes too , just for God's sake , DO NOT forget to replace them with the correct parts ASAP when you arrive home .
> >
> > Tom and The Mercedes Classic Center has the right stuff that fits , is best quality and the price is discounted so you don't feel the freight charges .
> >
> > Everyone else has pretty much covered the rest so I'll just wait to hear what the trouble is .
> >
> > -Nate
> >
>

Take the easy way out. Fabricate a full engine bay pan with a sump and a return oil pump to put the oil back in the engine.  A full flow filter would be a nice addition.  The pan might even improve your fuel mileage.

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