2001 GMC Sierra 2500 Pickup Support Question
Find answers below for this question about 2001 GMC Sierra 2500 Pickup.Question posted by jgaroutte on July 15th, 2013
Ac/heater Issues
If I turn the AC on and then start the engine it works right away. If I start the engine first and then turn the AC on it takes approximatly 30 minutes for the AC to get cold. If I have AC on then turn the heater on and then back to AC it takes 30 minutes for the air to turn cold. Sometimes I can stop, turn the engine off, turn the AC on then re-start the engine the AC might work. Any ideas? 2001 GMC K2500 3/4 ton 4x4 with 6.0L
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