K 10 1/2 Ton Pickup 4WD V8-379 6.2L DSL VIN C FI (1982)
6.
If the pump is a DB-4090 or 4091 always have the mark on the pump towards the left side (driver's) of the mark on the housing. This is the
advance direction.
7.
If an injection pump is to be removed and then reinstalled, it should be first paint marked at the pump to housing flange to allow reinstallation at
the original setting.
8.
Do not make timing adjustment with the engine running. Do not start engine until pump attaching nuts are torque securely.
Use applicable labor operation and time.
