Installation Procedure
WARNING: This page is about a different variant/trim than selected.
NOTE:
Inspect the engine block oil gallery passages. These surfaces must be clear and free of debris or restrictions.
- Align the splined surfaces of the crankshaft sprocket and the oil pump drive gear and install the oil pump (413).
- Install the oil pump (413) onto the crankshaft sprocket until the pump housing contacts the face of the engine block.
- Install the oil pump bolts (411).
Tighten
Tighten the oil pump bolts to 25 N.m (18 lb ft).
- Install the crankshaft oil deflector.
- Install the crankshaft oil deflector nuts.
Tighten
Tighten the crankshaft oil deflector nuts to 25 N.m (18 lb ft).
- Lubricate a NEW oil pump screen O-ring seal with clean engine oil.
- Install the NEW O-ring seal onto the oil pump screen.NOTE:
Push the oil pump screen tube completely into the oil pump prior to tightening the bolt. Do not allow the bolt to pull the tube into the pump.
Align the oil pump screen brackets with the correct crankshaft bearing cap studs.
- Install the oil pump screen.
- Install the oil pump screen bolt and nut.
Tighten
- Tighten the oil pump screen bolt to 12 N.m (106 lb in).
- Tighten the oil pump screen nut to 25 N.m (18 lb ft).
- Install the engine oil pan. Refer to Oil Pan Replacement (L99, LS3, LSA) .
- Install the engine front cover. Refer to Engine Front Cover Replacement (L99) Engine Front Cover Replacement (LS3, LSA) .
CAUTION:
Refer to Fastener Caution .