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My 2003 2500HD owners manual lists a part number for a cab ar filter, but there is no reference to it in the text. I previously had a 2001 and it had a cab air filter under the dash. The 2003 is not the same. Is there a cab air filter?
 

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No! It was removed for the 2003 year. Wasn't that nice of them. From what I understand they were having to many complaints of poor heating and cooling as the result of not changing the filter, so they decided to remove it.
 

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Yup, another standard feature dropped by GM. There was a group of people on another page that were looking into whether or not the cavity was there for the filter. I can't remember where I read it, so I don't know the outcome... Would like to have the cab filter back......



Bob
 
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