ac trouble

Discussion in 'Peterbilt Forum' started by bollweevill, May 1, 2012.

  1. bollweevill

    bollweevill Bobtail Member

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    does 98 peterbilt ac have expansion valve if so where is it located
     
  2. truckmechanic

    truckmechanic Medium Load Member

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    Orfice tube located in lower line from evaparator @ right side of firewall its the line with the high side chacharging port no expansion valve