C 3500 Truck 2WD V8-454 7.4L (1990)
Figure No. 2
REPAIR PROCEDURE:
Vehicles that are diagnosed as exhibiting this condition may be repaired by replacing the original coupler hose (see Figure 2) with a new Viton coupler
hose kit, P/N 25028041. The kit consists of a new Viton hose and two clamps.
Parts are currently available from GMSPO.
WARRANTY INFORMATION
For vehicles repaired under warranty use:
Labor Operation:
J5590
