C 3500 Truck 2WD V8-379 6.2L DSL (1986)
![background image](/gmc/c_3500_truck_2wd/v8-379_6.2l_dsl/Page-698014.png)
Pinion Companion Flange Vectoring (Indexing)
Figure 4
Vectoring is a procedure to optimize the mounting and match the high point of the companion flange to the low point of the pinion stem to help reduce
flange runout.