8MILELAKE Water Pump Sprocket Retainer Holding Tool for GMVAUXHALL OPEL 2.2 Chain Drive Garage Tools Holds timing chain in place so water pump can be removed for service Simply remove access plate from front cover and install the tool Special design allows easy installation regardless of timing chain orientation Tool saves costly loss of timing on 2002-2008 GM 2.2L and 2.4L motors found in Chevrolet Oldsmobile Pontiac and Saturn platforms Save time and increase shop productivity