> On Jun 1, 2013, at 10:28 PM, "Hendrik and fay" <heni...@gmail.com> wrote: > >> From memory you need a thermostat to seal the housing? >
Then Rick wrote: > OM60x yes a forced open thermostat is required, OM61x no thermostat required > to flush system. And the Curt wrote: On Jun 2, 2013, at 9:14 AM, "Curt Raymond" <curtlud...@yahoo.com> wrote: > I don't think this is true. At least I know running a 61x engine with no > thermostat will cause overheating. And Rick's final statement on the matter concerning thermostats and coolant flushing on OM61x engines is: Don't take my word for it. The manual says in 20-015 section A step 2, "remove thermostat element" and says in section B step 6 "install thermostat element with new seal". http://pt709.synology.me/20-015.pdf Rick Sent from my iPhone _______________________________________ http://www.okiebenz.com For new and used parts go to 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