CTS RWD V8-6.2L SC (2009)
3. Disconnect the fuel pipe (2) from the fuel rail. Refer to Plastic Collar Quick Connect Fitting Service (See: Fuel Line Coupler/Service and
Repair/Plastic Collar Quick Connect Fitting Service).
4. Disconnect the evaporative emission (EVAP) purge line (3) from the purge solenoid.
5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
6. Disconnect the fuel pipes from the fuel filter and the fuel tank bundle.
7. Pull the locking mechanism (1) outward in order to disengage the fuel/brake bundle chassis pipe retainers from the rail.