At 11:45 AM 09/24/2003, you wrote:

>I am going to install a Turbo Diesel motor into a Vanagon that had a
>catastrophic engine failure.  When the motor failed, oil and water mixed and
>the cooling system is a nice sludgy brown.  What is the best way to totally
>clean the oil from the cooling system?

Procedure for Mercedes oil contaminated diesel cooling systems is a
dilution of citric acid, then rinse and repeat until clean. Ask any
Mercedes parts department for their citric fluid. The procedure is given in
the Mercedes manuals for any diesel engine.