[diesel_mercedes] Re: Water Temp Woes

 



Flush out all the old coolant then try a Citric Acid flush Brian ~ I had that too : the coolant looked fine but every time I drained and re filled it , I'd get more crud.....

-Nate
       Brian  wrote :

This intrigues me a bit.Based on the oily crud in the old thermostat (which was only 3 years old), I am thinking I may have some blobkage - but the drained coolant and water looked fine. I suspect I may try a back flush and pull the bottom hose off before I get too excited - just to make sure the water pump is circulating water through the system which I don't think is happening right now.

"In time I discovered the tiny air bleed pipe leading between the cylinder head and block was clogged"

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Posted by: vwnate1@yahoo.com
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