I really think that would be the next troubleshooting step. Jam the t-stat full open to force full flow to radiator, if it still over heats, either obstruction or water pump (or cracked head, leaking head gasket, bottomed out head bolts, but there are other tests for those). -- Max Dillon Charleston SC '87 300TD '95 E300
On February 20, 2015 6:25:44 PM EST, Scott Ritchey via Mercedes <mercedes@okiebenz.com> wrote: > >I think the key point is that the coolant doesn't seem to be >circulating. >If you don't have hot water in the top of the radiator when the engine >is >hot, you don't have circulation. Without circulation, you will >overheat. >So either (1) there is an obstruction, (2) the water pump isn't >working, (3) >the thermostat isn't working, or (4) there is enough air in the system >(doesn't take much) that the water pump can't overcome the head >pressure. >In terms of simple, I'd start with a thermostat that's jammed in the >full >open position to rule out that possibility. _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com All posts are the result of individual contributors and as such, those individuals are responsible for the content of the post. The list owner has no control over the content of the messages of each contributor.
