Thread: Jeep evaporator core replacement
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Old 07-03-2014, 04:40 AM
  #4  
TheYellaBrick
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RACING JUNKIE
 
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It's been described to me in this way;
R-12 molecules are basket balls
R-134 is a grain of sand and will leak out where R-12 will not.
Therefore the needed annual recharge of older vehicles.
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