GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
2009
🢒
STS
🢒
Engine
🢒
Engine Mechanical - 4.6L (LH2)
🢒 Engine Oil and Oil Filter Replacement
Removal Procedure
Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
.
Position the oil drain pan under the engine oil drain plug.
Remove the engine oil drain plug.
Clean and inspect the engine oil drain plug, replace if necessary.
Clean and inspect the engine oil drain plug sealing surface on the oil pan, repair or replace oil pan if necessary.
Remove the oil filter.
Clean and inspect the oil filter sealing area on the oil filter adapter, repair or replace if necessary.
Installation Procedure
Fill the oil filter with oil.
Lightly oil the replacement oil filter gasket with clean oil.
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the new oil filter and tighten to 3/4 to 1 full turn, after the oil filter gasket contacts the oil filter mounting surface.
Install the engine oil drain plug and tighten to
20 N·m (15 lb ft)
.
Lower the vehicle.
Fill the engine with new engine oil. Refer to
Fluid and Lubricant Recommendations
and
Approximate Fluid Capacities
.
Inspect for oil leaks after engine start up.
Reset the oil life monitor. Refer to
GM Oil Life System Resetting
.