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  #16  
Old 06-25-2006, 05:52 PM
Hatterasguy's Avatar
Zero
 
Join Date: Nov 2002
Location: Milford, CT
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Clean the system. Replace coolant with MB or Zerox only.

Get the ID number off the head. Its at about the third intake runner back. Do you have any paperwork showing what was done? Sometimes its pretty easy to spot a recently replaced head if you know what to look for. It should look really clean. If they did a good job they probably replaced the timing chain tensoner as well, so that should be shiney gold.

If the head is cracked I'd go after the dealer.

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  #17  
Old 06-25-2006, 08:03 PM
t walgamuth's Avatar
dieselarchitect
 
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 38,613
the floating oil can be trapped in any high point in the system. i really dont know what that will mean in a practical sense but usually it is a good idea to flush the system after having it in there.

tom w
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  #18  
Old 06-25-2006, 08:21 PM
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Join Date: Oct 2002
Location: Bay Area No Calif.
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There may have been some oil in the coolant before the engine was worked on (assuming it was)
As a general rule, I would replace the expansion tank with a new one on the 603 engines when any top end work is done on the engine.
MB added a resin bed trap in it on the tank (according to gsxr) anyhow a new one will be nice and clean and if you then get some oil in it its a sign that would indicate a possible head gasket or (hopefully not!) cracked head.
And yes by all means, flush with DuPont or whatever citric acid stuff, then rinse three or more times to be sure its completely out of the system before adding 45% coolant/water mixture

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