Quote:
Originally Posted by tyl604
I have a more basic question. Which fitting to you use to add Freon? And do you hold the can upright or upside down? How do you identify the correct fitting?
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If you are asking questions like this, you really need to learn more about auto HVAC before jumping into it as you can very easily kill the compressor and injure yourself big time. At the very least, read everything on the MB CDs for the W126 and take the EPA test so you can buy R12 legally, you will learn quite a bit.
How do you know your compressor is good? If low, does the system hold vacuum... if so, how are you certain? Where did the previous refrigerant go? Are you planning to just add refrigerant and not check head pressures? How do you know what refrigerant is still in the system? Did you know 134A and R12 use different oils and are not compatible?
In any event, I agree the resistor is in a poor location. I vacuum out in there often. I like having the ability to use 'auto' and low speed so I keep that area clean!
Just finished a rewire of that area in my 300SD due to a small fire, all the HVAC did was high speed. Pretty annoying. The repair was a big time PITA... booster has to come out to really get in there.