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#1
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Driver's side heat has cool
Spent some time using search but didnt find this... '92 300E with single temp climate control, With Engine temp @80 C, drivers floor vent has cool air mixed in when on heat. Passenger's side and both upper side vents feel good and warm. Enabling the recirc feature seems to help some. Recent very cold days make this issue much more noticeable. What should I do first to stop the cool air on the drivers side??
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------------- RLumsde '92 300E & '80 240D |
#2
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Some of the vacuum operated actuators are not working properly. Could be the operators or the vaccuum valves.
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I got too many cars!! Insurance eats me alive. Dave 78 Corvette Stingray - 3k 82 242 Turbo Volvo - Manual - 270k 86 300e 5 speed manual - 210k 87 420sel - 240k 89 560sl - 78k 91 420sel - 205k 91 560sel - 85k 94 GMC Suburban - 90k 97 Harley Davidson Heritage Softail - 25k 00 GMC Silverado 1 ton 30k |
#3
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Hopefully I wont sound to uninformed but where and what are those ? Are these above average owner replaceable parts?
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------------- RLumsde '92 300E & '80 240D |
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They are located in and around the big black box containing the heater and air conditioning radiators which is right behind the center console. They direct the air to the appropriate vent depending on the mode. All the hose ducts eminate from there. Some are very difficult to get access to, others are not. They can be checked with a vacuum pump/tester relatively easily. But good documentation and understanding of the climate control system is a must.
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I got too many cars!! Insurance eats me alive. Dave 78 Corvette Stingray - 3k 82 242 Turbo Volvo - Manual - 270k 86 300e 5 speed manual - 210k 87 420sel - 240k 89 560sl - 78k 91 420sel - 205k 91 560sel - 85k 94 GMC Suburban - 90k 97 Harley Davidson Heritage Softail - 25k 00 GMC Silverado 1 ton 30k |
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