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-   -   How do I turn off the heater Manually? I am DYING! (http://www.peachparts.com/shopforum/mercedes-benz-sl-discussion-forum/214176-how-do-i-turn-off-heater-manually-i-am-dying.html)

Tims450SL 02-19-2008 04:03 PM

How do I turn off the heater Manually? I am DYING!
 
:P I need to know where is the shut off valve manually not from the consol to turn the heater off on my w107 1975 450 SL.

Thanks
Melting in Florida

230/8 02-19-2008 04:44 PM

There is a vacuum actuated control valve at the firewall on the driver side. The valve may be defective. Its default position is on (heat), so you can try to run a vacuum line directly to it to see if it pulls it closed and turns off the heat. If not, then wire the lever closed until you can replace the vacuum assembly.

230/8

hill 02-19-2008 08:11 PM

Quote:

Originally Posted by 230/8 (Post 1768386)
There is a vacuum actuated control valve at the firewall on the driver side. The valve may be defective. Its default position is on (heat), so you can try to run a vacuum line directly to it to see if it pulls it closed and turns off the heat. If not, then wire the lever closed until you can replace the vacuum assembly.

230/8

If your heater control levers are bad you can rebuild them cheap, but what a tough job. For now run the vacum line directly to it and use a pair of hemostats to pinch it if you need some heat. I heard that it might get down to 50 degrees:D

meltedpanda 02-20-2008 08:45 AM

just push the firewall vacuum pod to the off position and secure

Tims450SL 02-21-2008 12:22 AM

You guys are the best- Thanks...I wish it would get to the 50's here I mean at least I have to top down all the time in between the thunderstorms that develop at the drop of a hat!


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