
Remove the pressure relief plug-(1),spring-(2), and plunger-(3).

Remove the oil pump gerotor cover-(1) andbolts.Clean all of the parts in cleaning solvent. Remove varnish,sludge and dirt.Inspect the oil pump-(2, 3) for wear and scoring.Ensure that all components are within specifications. Refer toEngine Mechanical Specifications.
Replace the front cover-(4) and oil pump assemblyif it is out of specification or damaged.
Oil Pump Removal Engine Lubrication Oil Pump
Primary Camshaft Intermediate Drive Chain Removal Valvetrain CamshaftConnections
The following OnStar services help
with staying connected.
For coverage maps, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Ensuring Security
Change the default passwords
for the Wi-Fi hotspot and
myChevrolet mobile application.
Make these passwords different from each ...