Removal Procedure

WARNING: This page is about a different car, the 2005 GMC Sierra and 2005 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Hooking Retaining Ring

Courtesy of GENERAL MOTORS CORP.

Using a bent-tip screwdriver or equivalent, pull on one of the open ends of the retaining ring in order to rotate the retaining ring.
Rotate the retaining ring around the quick connector until the retaining ring is out of position and can be completely removed.
Remove the starter/generator control module (SGCM) radiator hose from the SGCM radiator.