2005 Chevrolet Colorado 4dr Crew Cab Z71 LS Base 4WD SB (3.5L 5cyl 4A)
This truck is a cheaply built vehilce. Most notably the air conditioning is junk. Many owners are complaining about the vent temperature surging from cold to warm along with a whistling noise eminating from under the dash. GM will not admit they have a problem. The dealer told me they can't fix it. So I'm stuck.
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