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A/C Performance
The AC does work in this truck, just not overly well. The system charge is correct, buy I have high low side and high high side pressures. When the AC is operating they don't fluctuate at all. This is the second time I have run across this issue this season. I... Login to read more.
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| Engine | 6.6 L |
| Trans | 6-speed Automatic (Electronic) |
| Symptoms | Poor A/C Performance |
Vehicle Data
2008 GMC Sierra 3500 HD WT 6.6L Poor A/C Performance
| Engine | 6.6 L |
| Trans | 6-speed Automatic (Electronic) |
| Symptoms | Poor A/C Performance |
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