Re: [MBZ] Heater Monovalve questions

2007-01-18 Thread Allan Streib
David Brodbeck [EMAIL PROTECTED] writes: andrew strasfogel wrote: Then it's the monovalve or the crumbly foam connector pipe behind the glovebox. If it were the crumbly connector pipe he'd still get heat in defrost mode, which ignores the temperature sender. It's almost got to be the

Re: [MBZ] Heater Monovalve questions

2007-01-18 Thread OK Don
A) - the center vents should only have airflow while in cooling mode - non while in heating mode. B) - buttons - you're using the Economy mode - the AC compressor never turns on. The middle button - outline Up arrow and solid Down arrow - gives full auto control with most of the air out the

Re: [MBZ] Heater Monovalve questions

2007-01-18 Thread Jim Cathey
I am freezing my butt off driving my car. I have no heat and I believe several folks on the list agreed it was the monovalve, but I just want to make sure. So pull it out (four screws, 5 minute job) and see if the solenoid is full of water and/or the rubber diaphragm is torn. Unplug its

[MBZ] Heater Monovalve questions

2007-01-17 Thread Donald Snook
I am freezing my butt off driving my car. I have no heat and I believe several folks on the list agreed it was the monovalve, but I just want to make sure. I am not getting any heat out the vents, but after long enough, I will get some (although not much) heat from the defrost vents. This is

Re: [MBZ] Heater Monovalve questions

2007-01-17 Thread andrew strasfogel
If your engine is also running cool, change the thermostat. On 1/17/07, Donald Snook [EMAIL PROTECTED] wrote: I am freezing my butt off driving my car. I have no heat and I believe several folks on the list agreed it was the monovalve, but I just want to make sure. I am not getting any heat

Re: [MBZ] Heater Monovalve questions

2007-01-17 Thread Donald Snook
Andrew wrote: If your engine is also running cool, change the thermostat. I did that a few weeks ago. No change - engine temp gets into normal operating range. Still very little heat. Donald H. Snook 1990 300SEl 134K

Re: [MBZ] Heater Monovalve questions

2007-01-17 Thread andrew strasfogel
Then it's the monovalve or the crumbly foam connector pipe behind the glovebox. On 1/17/07, Donald Snook [EMAIL PROTECTED] wrote: Andrew wrote: If your engine is also running cool, change the thermostat. I did that a few weeks ago. No change - engine temp gets into normal operating

Re: [MBZ] Heater Monovalve questions

2007-01-17 Thread David Brodbeck
andrew strasfogel wrote: Then it's the monovalve or the crumbly foam connector pipe behind the glovebox. If it were the crumbly connector pipe he'd still get heat in defrost mode, which ignores the temperature sender. It's almost got to be the monovalve.