K 30 1 Ton Pickup 4WD L6-292 4.8L VIN T 1-bbl (1982)
Air Injection Check Valve: Service and Repair
Fig. 10 - AIR System Hose Routing
CAUTION: Do not bend or twist the air manifold when removing the check valve.
REPLACEMENT
1. Disconnect air pump outlet hose from check valve--Fig 10.
2. Remove check valve from air manifold.
3. Reverse procedure to install.