Heat coming from outboard vents only, then after about 5 or 10 min the fan comes online and everything works fine, Installed new Fast Lane fan speed control 6 months ago cause of a no fan problem. Now its acting really weird. 1995 S320, 80K (Way nice). Any ideas you guys? Does this car have a "monovalve" problem or a bad ground somewhere? All you MB techs are the best, I work for a major airline as an aircraft inspector, I get to see some of the best mechanics in the world and I would put MB techs and the car against any aircraft or Airframe & Powerplant mechanic.

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83 240D 250K
95 S320 85K
81 Rabbit D 185K
01 Ram 2500/Cummins 125k
36 Chev 52 K