GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L (LBZ and LLY) 🢒 Fuel Feed Pipe and Return Pipe Purging

Fuel Feed Pipe and Return Pipe Purging for GMC Truck TopKick C-Series (Conventional) C4/C5 2007


    Object Number: 1206090 Size: SH
  1. Pump the primer located on top of the fuel filter 30 times or until stiff.
  2. Attempt to start and run the engine. If the engine does not start, repeat step 1.
  3. Allow to run for 5 minutes at idle.
  4. Check for fuel leaks.
  5. Clear all engine diagnostic trouble codes (DTCs).