GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
2008
🢒
STS
🢒
Engine
🢒
Engine Mechanical - 4.6L (LH2)
🢒 Oil Pump Outlet Tube Replacement
Tools Required
J 39946
Crankshaft Socket
Removal Procedure
Remove the oil pump. Refer to
Oil Pump Replacement
.
Align the primary timing marks (1) using the
J 39946
.
Remove the secondary camshaft drive chains. Refer to
Secondary Camshaft Drive Chain Replacement - Right Side
and
Secondary Camshaft Drive Chain Replacement - Left Side
.
Remove the primary drive chain tensioner. Refer to
Primary Camshaft Drive Chain Tensioner Replacement
.
Remove the oil outlet tube bolts (1-5).
Remove the oil outlet tube.
Remove and discard the oil outlet tube O-ring.
Clean and inspect the oil outlet tube. Refer to
Oil Pump Outlet Tube Cleaning and Inspection
.
Installation Procedure
Install a NEW O-ring on the oil outlet tube.
Install the oil outlet tube and bolts.
Tighten
Tighten the oil outlet tube bolts to 10 N·m (89 lb in).
Ensure the primary timing marks (1) are aligned vertically.
Install the primary drive chain tensioner. Refer to
Primary Camshaft Drive Chain Tensioner Replacement
.
Install the secondary camshaft drive chains. Refer to
Secondary Camshaft Drive Chain Replacement - Left Side
and
Secondary Camshaft Drive Chain Replacement - Right Side
.
Install the oil pump. Refer to
Oil Pump Replacement
.