vaccum
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Joined: Aug 2007
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From: A.C New Jersey
1987 300E
vaccum
hey my heat hasnt been working 4 a while i thought it was blow or reg but when i pulled out my glove box to install my satelite radio i found to side by side black vacum lines with colored tracers on them i believe. the lines were just hanging there not plugged into anything is that normal, has anyone ever seen the inside on the glove box
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Joined: May 2005
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From: REHOBOTH BEACH DE
88-300CE TWIN TURBO, 99-C43, 05-G55K, 71-280SL, 94-E320 CAB, 08 CLK63 BLACK SERIES
hey my heat hasnt been working 4 a while i thought it was blow or reg but when i pulled out my glove box to install my satelite radio i found to side by side black vacum lines with colored tracers on them i believe. the lines were just hanging there not plugged into anything is that normal, has anyone ever seen the inside on the glove box
Heat and A/C flaps are vacuum controlled.
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Hi there! Looks like I have similar problem. My 90 W124 E300 blower gives cold air on entire left side of the vehicle's saloon and hot on the right side (on all modes). When the blower in on low mode or when I just switch on the blower (after engine is hot enough) it gives hot air at the beginning, but then it gets cooler and cooler. When I turn off the blower at the end it gives a little hot air.
I didn’t know that the heating is vacuum controlled. Is there any diagram/scheme available? Thank you.
I didn’t know that the heating is vacuum controlled. Is there any diagram/scheme available? Thank you.
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MBWorld Fanatic!
Joined: May 2005
Posts: 2,494
Likes: 17
From: REHOBOTH BEACH DE
88-300CE TWIN TURBO, 99-C43, 05-G55K, 71-280SL, 94-E320 CAB, 08 CLK63 BLACK SERIES
I'll try one more time.
The climate control flaps are vacuum controlled.
You have vacuum lines hanging.
Unconnected lines means your flaps aren't working.
Doubtful the lines have fallen off the individual flap operators.
More then likely from the distribution manifold.
Look to the area behind your climate control panel above the radio.
Should be a disc that has nipplies on it.
Push the hoses on to the nipples and see if your control works.
You may have to swap hoses around until you get the correct locations.
The climate control flaps are vacuum controlled.
You have vacuum lines hanging.
Unconnected lines means your flaps aren't working.
Doubtful the lines have fallen off the individual flap operators.
More then likely from the distribution manifold.
Look to the area behind your climate control panel above the radio.
Should be a disc that has nipplies on it.
Push the hoses on to the nipples and see if your control works.
You may have to swap hoses around until you get the correct locations.
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