I have a heater problem with my car it will blow semi warm air about 105 but thats about all even if the car is hot I have replaced the mono valve but did not help could it be the switch-over valve not allowing the vacuum flap to open or close properly? Does anybody have any ideas? Thanks

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84 300 Turbo / 320,000
96 E300 D / 55,000

105? Semi warm? Sounds pretty got to me. Pull the glove box and see if the vac actuator is moving. 5 minute to r&r the glove box.

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1995 E420 Schwarz
1995 E300 Weiss
#1987 300D Sturmmachine
#1991 300D Nearly Perfect
#1994 E320 Cabriolet
#1995 E320 Touring
#1985 300D Sedan
OBK #42