My air recirculation and a/c are not working in my 2007 chevy avalanche Silverado 97....engine surges at 68-70 mph. does not do it consistently 2005 chevy silverado: how much freon does it take?
2005 Chevy Silverado: How Much Freon Does it Take? - VehicleHistory
Recharge autozone r134a conditioning freon 134a pressures chevy troubleshooting refrigerant ambient gauge readings includes cycling heater 4a03 bce1 gauges avalanche
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