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AC leak is leaking in 2001 Silverado

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by jeffrizzzo, Jul 13, 2011.

  1. jeffrizzzo

    jeffrizzzo New Member

    I have a 2001 silverado with 187,000 miles. The R-134a has leaked out. I recharge it and it only worked good for onr day, then half ass the next day. By day three there is not enough r-134a to kick on the compressor. I would like to know where the most common leaks are occouring.
  2. dsfloyd

    dsfloyd Epic Member 5+ Years ROTM Winner Gold Member 1000 Posts

    If you cant see any of the freon anywhere than you will need to have it tested. A lot of places it can leak from. schraeder valves, o rings on the compressor, small hole in either the low or high pressure side.
  3. 2COR517

    2COR517 Epic Member 5+ Years 1000 Posts

    You can add dye to the system to help find the leak. Or have someone use a sniffer.
  4. jeffrizzzo

    jeffrizzzo New Member

    Can I get the dye at an Auto Zone type store? I already have the hose w/gauge to add freon myself.
  5. 2COR517

    2COR517 Epic Member 5+ Years 1000 Posts

    Yup. You can get it in a can with Freon

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