If you’re getting heat elsewhere in the system I would assume the vacuum actuator for the footwell flap has failed.
Time to get the MityVac out and go at things. -D > On Dec 21, 2017, at 11:55 AM, Michael Esh via Mercedes > <mercedes@okiebenz.com> wrote: > > I’m going to be pulling my glove box today to determine if my foam hose is > rotted out or fallen off and replace if necessary. > In addition to this issue I have almost no heat going to the foot wells on > either side. The Push Button Unit seems to be working as there is a > corresponding change in air flow volume from the defrost area and the upper > side vents when when I change selections. FYI the center vents do not > function correctly with air conditioning setting. I believe the pod > controlling this is broken as it stopped working last year. > Any thoughts about the no heat in the foot wells? > Thanks, > Mike > > Michael E. Esh > > >> On Nov 28, 2017, at 10:22 PM, Jim Cathey <jim.cathey...@gmail.com> wrote: >> >> Failure to regulate a proper temperature is usually due to a rotted foam >> hose under the dash. Hardware store pipe insulation may be used to replace >> the rotted-out segment. >> >> On that system, the common failure points, in no particular order: >> >> 1) Torn monovalve diaphragm >> 2) Cracked solder joints inside the pushbutton unit. >> 3) Rotted foam hose going to the cabin temperature sensor. >> >> -- Jim >> > > _______________________________________ > 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
