C 3500 Truck 2WD V8-454 7.4L VIN J SFI (1999)
Air Injection Check Valve: Service and Repair
REMOVAL PROCEDURE
1. Remove the bolt for the AIR crossover Bank 1 bracket.
2. Disconnect the AIR crossover Bank 1 hose.
3. Disconnect the AIR pump output hose at the AIR valve.
