Sierra 1500 4WD V8-4.8L (2007)
3. Disconnect the EVAP pipe quick connect fittings from the rollover valve and the fuel tank module.
4. Remove the EVAP pipe from the fuel tank clips (1).
Installation Procedure
1. Position and connect the EVAP pipe quick connect fittings to the rollover valve and the fuel tank module. Refer to Plastic Collar Quick Connect
Fitting Service.
2. Install the EVAP pipe to the fuel tank clips (1).