108 heater controls on a 1971 280 SE

Would appreciate any advice on how to change them?
Robert Fullenkamp Orlando, FL

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload
About 4 to 6 hours of work!
Bet the bottom 2 are broken? They work the 2 water valves. When the water valves freeze up, the rubber levers break off.

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.