gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

High Idle Switch > < Fuel/Water Separator|Service and Repair
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4. Operate the priming pump (1) until only diesel fuel is visible. Allow the pump to fully return upward between pushes.
5. Tighten the drain.
6. Remove the container and hose.

High Idle Switch > < Fuel/Water Separator|Service and Repair