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1988 Chevrolet C2500 Cheyenne 5.7L AC, heat, & def vents
AC, heater, & defroster vents will all close at times for no apparent reason. Blower will continue to blow, but no air will come out of any vents. Sometimes dash vents only will blow. At other times vents all work as they should. Any help will be appreciated. ...
FIX posted 9/28/2000
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Message Closed
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Related Documents & Media 
| VIN | 1GCFC24K1J |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Affected | A/C, Heat, & Def Vents |
| Conditions | Vents Open & Close Erratically |
| Misc. | 6-Lug Wheels, 2WD, Reg Cab |
Message Closed
Vehicle Data
1988 Chevrolet C2500 Cheyenne
| VIN | 1GCFC24K1J |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Affected | A/C, Heat, & Def Vents |
| Conditions | Vents Open & Close Erratically |
| Misc. | 6-Lug Wheels, 2WD, Reg Cab |
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