Lingenfelter L250070709 Lingenfelter CTS-V LSA Supercharger Pulley 2009-2012 v1.9 - Manual (Page 10)

Page 9.
25. Disconnect the brake booster hose from
the top of the supercharger front cover.
26. Disconnect the purge solenoid electrical
connector from the top of the supercharger front
cover.
27. Disconnect the evap line from the purge
solenoid on the left side of the supercharger
front cover.
28. Unbolt the purge solenoid using a 10 mm
ratchet and extension and carefully remove the
purge solenoid.
IMPORTANT: GM does not offer the O-rings
separate from any of the sensors. Handle with
extreme care.