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#1
11-10-2005, 02:10 AM
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w108 heating controls
sup hommies, ive been reading here for awhile, its a very useful forum,
anyway, i havnt been able to find much on the following i have a '70 280s, now it had AC from the factory but its not working now of course, my heater doesnt work either, now i can feel some heat radiating from the unit under the dash and some heat coming thru the vents, but i cant find the damn fan switch for the heater blower? ya, all my controls for the heating unit are kinda broken, (i have a spare, it jsut looks like a PITA to put in). i just thought if i would get some blower action happenin id be stoked. anyone know where the damn switch is? 
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#2
11-10-2005, 07:07 AM
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destroyer, your fan switch is a 3-way integral with the blue slider control. top left. all the way left should be high, slight click right is medium, another right click, low, next slot right just keeps vents open without fan engagement. i had to replace my heater blower (outside, under the hood and cowl) and put in new interior controls so I recall this well
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#3
11-10-2005, 06:53 PM
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ah, cool, thanks man,
so.. anyone feel like giving a quick rundown on how to get the heater controls out, and the new ones in?
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#4
11-10-2005, 08:28 PM
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A lot of info has been posted on replacing heater levers over the years. Try doing a search for "108 heater levers", without the quotation marks of course. You'll have plenty of reading.
__________________
Mike Tangas '73 280SEL 4.5 (9/72)- RIP  Only 8,173 units built from 5/71 thru 11/72 '02 CLK320 Cabriolet - wifey's mid-life crisis 2012 VW Jetta Sportwagon TDI...at least its a diesel Non illegitemae carborundum.
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#5
11-11-2005, 07:10 PM
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well, i got the new unit, in all the sliders work now, except the upper right, the cable is seized, and i dont really know what it controls, but i hooked it up anyway. my heater fan still doesnt work so im guessing ill have to peep that next.
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#6
11-11-2005, 08:03 PM
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Upper right lever controls the heat/defrost flap. Should have made sure the cable was moving freely before reinstalling the controls. Would have been the perfect time to lube all cables and moving parts. Corroded cables and valves are as likely to cause failure of the levers as is age.
If the cables were in fact moving freely before reassembly, then you will have to go in there again. I had a little problem when I put it all back together, I thought I would run the cables in a slightly different location (made sense to me). I ended up pulling the assembly and repositioning the cables to where they were originally run, everything worked perfect after that.
__________________
Mike Tangas '73 280SEL 4.5 (9/72)- RIP Only 8,173 units built from 5/71 thru 11/72 '02 CLK320 Cabriolet - wifey's mid-life crisis 2012 VW Jetta Sportwagon TDI...at least its a diesel Non illegitemae carborundum.
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