Sierra 1500 4WD V8-4.8L (2007)
3. Disconnect the EVAP rear pipe quick connect fittings from the rollover valve and the fuel tank module.
4. Remove the EVAP rear pipe from the fuel tank clips (1 and 2).
5. Disconnect the small EVAP rear pipe quick connect fittings from the rollover valve and the fuel tank module.
Installation Procedure
