Peter, Have you ever taken a valve apart? I'm wondering if that would be a good next step? I don't want to destroy it, if I can't find an obvious problem, I'd like to put the valve back in service. -- Max Dillon Charleston SC '87 300TD '95 E300
On July 31, 2015 6:17:50 PM EDT, Peter Frederick via Mercedes <mercedes@okiebenz.com> wrote: >Re-heat won't make the side vents warmer as ALL the air goes through >both evaporator and heater core. Side vents will be warmer when the >car is hot because there is some heat exchange from the ductwork until > >the under-dash cools off. > >If the center vent air is warm when full cooling is called for, or the > >car is warmer than the setting on heat, the valve is not closing. If >you get no heat at idle and plenty when you accelerate from a stop, >the valve is sticking closed when it should be open. > >All of my broken ones have either stuck shut intermittantly or failed >to turn off when I wanted no heat. > >Not much to contribute -- I don't have working AC in either W124 at >the moment! > >Peter > >_______________________________________ >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 _______________________________________ 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
