1990 190E 2.6 A/C issue
Good evening everyone!
In my 1990 190E, I replaced the following: MAS control unit, push button control and blower switch in dash. I pressure tested the system with nitrogen and ran a 2 hour vacuum, no leaks. The compressor will kick on for a few seconds then stop. The system will not let me fill it. My thoughts are leading toward a clogged drier and/or bad low pressure switch. Am I going in the right direction, or is there something else that I'm missing?
In my 1990 190E, I replaced the following: MAS control unit, push button control and blower switch in dash. I pressure tested the system with nitrogen and ran a 2 hour vacuum, no leaks. The compressor will kick on for a few seconds then stop. The system will not let me fill it. My thoughts are leading toward a clogged drier and/or bad low pressure switch. Am I going in the right direction, or is there something else that I'm missing?
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AlyssaAshley
Mercedes E Class
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Aug 1, 2011 07:41 PM




