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2004 GMC Canyon
AC / heater Problems
CarComplaints.com Notes: While the 2004 GMC Canyon doesn't show any major complaint trends, it's mechanically-identical counterpart is the Chevy Colorado which has some engine problems.
Worst 2004 Canyon AC / heater Problems
Click on a problem below to read more.
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Curious how the 2004 Canyon compares to other years?
Check out our GMC Canyon overview to see the most problematic years, worst problems and most recently reported complaints with the Canyon.