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  #1  
Old 08-03-2008, 11:35 PM
hofler's Avatar
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A/C drainage

I have wet floorboards and understand that this is due to AC not draining properly. Does anybody have any recomendations as to how to actaully fix this? Just exactly where is this drain supposed to exit around the tranny tunnel? What is the best method to fix this?

I am going to have to replace the rear floorboard driverside due to massive rust, but want to be sure that I fix the source of the problem.

Any help greatly appreciated
R
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  #2  
Old 08-03-2008, 11:44 PM
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You have to take off the carpeting on the side of the console. To do that you have to take out the radio and CCU in the dash, then unclip the carpet. There is also a screw by the accelerator pedal. Once the carpet is off, you have to twist your hand around behind the firewall and you will see the tube. I replaced mine with a piece of pipe insulation. Wife wants me to go back in and put a ziptie around it 'cause that's how it came from MB (It's her car and she is a perfectionist )

Actually it is a pretty frustrating job. Getting the carpet off is tedious and the workspace under the evaporater is cramped at best. Good luck!
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  #3  
Old 08-03-2008, 11:47 PM
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You should be able to find several good threads on this forum, with pictures, that show you where the a/c drain is located, tightly jammed in next to the firewall behind the a/c unit. You can substitute almost any kind of tubing so that the condensation drains out rather than floods your floorboards.

Once you get the drain fixed, pull all of the floor carpets and make sure the floors are bone dry before you put it back together, so you don't end up with smelly carpet and rust problems later on.

I didn't remove the carpet from the console -- maybe that would have made the job easier?
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Last edited by Jeremy5848; 08-03-2008 at 11:48 PM. Reason: Add a final sentence
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  #4  
Old 08-03-2008, 11:58 PM
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I've sprung a leak, evaporator drain hose...

I'm biting my lip, but there is a very findable link, with pics........
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'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
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Old 08-04-2008, 12:16 AM
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It's also possible that the windshield seal is the culprit. It's very common in the W123 for this water to run to rear foot wells.
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Old 08-04-2008, 12:55 AM
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Quote:
Originally Posted by JimmyL View Post
I've sprung a leak, evaporator drain hose...

I'm biting my lip, but there is a very findable link, with pics........
Mine was a Coke bottle sacrificed
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  #7  
Old 08-04-2008, 10:10 AM
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I used Sprite. There's more in it than just lemon and lime (Mitch Hedberg)
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  #8  
Old 08-04-2008, 11:39 PM
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OK JimmyL I know why it was so easy for you to find. Yea I shudda serached first.
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  #9  
Old 08-04-2008, 11:58 PM
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Quote:
Originally Posted by hofler View Post
OK JimmyL I know why it was so easy for you to find. Yea I shudda serached first.
I wish I had given it a better title to make the search a little easier, maybe put "drain" in it, but that was early in my "career"......
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Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John
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  #10  
Old 08-05-2008, 12:23 PM
83 300SD
 
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Quote:
Originally Posted by JimmyL View Post
I wish I had given it a better title to make the search a little easier, maybe put "drain" in it, but that was early in my "career"......
Jimmy;

Could you go back and rename the thread, or have the webmaster retitle it?

John
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