K 30 1 Ton Pickup 4WD V8-379 6.2L DSL VIN J FI (1982)
Fuel Injector: Service and Repair
Fig. 38 Injection nozzle
The fuel injection nozzles used on 1983---87 vehicles have a different thread pitch size than on 1982 vehicles, make certain the correct nozzle is used.
1. Disconnect batteries, fuel return clip, fuel return hose and fuel injection line.
2. Remove injection nozzle by applying torque to largest nozzle hex with tool J-29873, Fig. 38.
3. Reverse procedure to install. Torque nozzle to 50 ft. lbs. Torque fuel injection line to 20 ft. lbs.