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  #1  
Old 03-27-2001, 05:03 PM
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Join Date: Feb 2001
Posts: 199
On our 89 190e, theres a grommetted hole in the middle of the air filter housing. it goes through the bottom and gives access to some sort of set screw (on the throttle body?) does anyone know what this is for and what is missing? it doesn't seem right that the air that travels through there does not get filtered.
thanks all!
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German autos!!!
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  #2  
Old 03-27-2001, 06:15 PM
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Join Date: Jun 2000
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Models with KE-Jetronic fuel injection have that hole in the air cleaner. The hole allows access to the idle mixture screw within the mixture control housing. I've never seen one with a cover. I've never thought to check if it allows air inside the filter.

Sixto
91 300SE
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  #3  
Old 03-27-2001, 10:08 PM
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Join Date: Jul 2000
Posts: 638
Hole in Air Cleaner top doesn' t leak dirt

The access hole in the air cleaner --- is for access to the 'mixture adjustment' on CIS fuel injection, and does not 'connect' with the filtered air passage. This is a sealed tube passing THROUGH the air cleaner, and no unfileterd air gets into the engine.
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  #4  
Old 03-27-2001, 10:42 PM
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Join Date: Dec 2000
Location: Montgomery, Alabama USA
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Well, I guess that I should feel stupid! I thought I was missing a bolt so I put a piece of black tape across it
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  #5  
Old 03-28-2001, 12:22 AM
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Join Date: Feb 2001
Posts: 199
thanks for your input guys. kebowers, so there is supposed to be a tube that is fitted through the holes that will still allow access to the mixture screw?

[Edited by opossum on 03-27-2001 at 11:26 PM]
__________________
German autos!!!
'67 250se coupe
'89 190e 2.6 (gone but I kinda miss it)
'96 c220
'07 BMW x3
'59 0319 diesel Omnibus...the "O"
Italian bikes!!!
'64 Lambretta Special 185 hot rod scooter
'66 Lambretta SX200
'59 Lambretta 250 race bike
'70 Lambretta GP200
'77 860gt ducati
'66 ducati monza
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