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2005 Chevrolet Avalanche 1500

Question: secondary air injection check valves

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nvgasman, Las Vegas, NV, July 08, 2010, 09:29

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were are the secondary air injection check valves

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• Answer #1

  Oakman July 08, 2010, 11:25
  

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  The secondary AIR injection check valves on your 2005 Chevrolet Avalanche should be located at the end of each of the AIR tubes attached to the right and left exhaust manifolds. The check valves separate the metal AIR tubes from the rubber AIR hoses.
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