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GMC Truck
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1999
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C 3500 Truck 2WD V8-5.7L VIN R
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Evaporative Emissions System
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Description and Operation
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EVAP System Components
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Evaporative System Service Port
Evaporative System Service Port
Evaporative System Service Port:
The
Evaporative System Service Port
is located in the evaporative hose located between the purge solenoid and the canister. The service port is identified by a green colored cap.