Oil Pump and Crankshaft Oil Deflector Installation 6.2L LS9

Special Tools

J 41480 Front and Rear Cover Alignment

For equivalent regional tools, refer to Special Tools

Note: Inspect the oil pump and engine block oil gallery passages. These surfaces must be clear and free of debris or restrictions.

1. Align the splines of the crankshaft sprocket and the oil pump drive gears, and install the oil pump (413).
2. Install the oil pump onto the crankshaft sprocket until the pump housing contacts the face of the engine block.
3. Install the oil pump bolts (411). Do not tighten the bolts at this time.



4. Align the oil pump surfaces (1) with the engine block surfaces (2). The oil pump must be aligned flush or no greater than 0.1 mm (0.04 in) below the engine block oil pan rail.

Caution: Refer to Fastener Caution in the Preface section.




5. Install the J 41480 cover alignment and bolts to the engine block. Tighten the J 41480 cover alignment bolts to 25 N·m (18 lb ft).
6. Firmly push the oil pump until the pump surfaces contact the J 41480 cover alignment . Continue to retain the pump to the J 41480 cover alignment . Tighten the oil pump bolts to 25 N·m (18 lb ft).



7. Install the crankshaft oil deflector (425) and nuts (403). Install the deflector onto the engine with the word "Rear" at the back of the engine block. Tighten the crankshaft oil deflector nuts to 25 N·m (18 lb ft).

Oil Pump and Crankshaft Oil Deflector Installation 7.0L

Special Tools

J 41480 Front and Rear Cover Alignment

For equivalent regional tools, refer to Special Tools

Note: Inspect the oil pump and engine block oil gallery passages. These surfaces must be clear and free of debris or restrictions.

1. Align the splines of the crankshaft sprocket and the oil pump drive gears, and install the oil pump (413).
2. Install the oil pump onto the crankshaft sprocket until the pump housing contacts the face of the engine block.
3. Install the oil pump bolts (411). Do not tighten the bolts at this time.



4. Align the oil pump surfaces (1) with the engine block surfaces (2). The oil pump must be aligned flush or no greater than 0.1 mm (0.04 in) below the engine block oil pan rail.

Caution: Refer to Fastener Caution in the Preface section.




5. Install the J 41480 cover alignment and bolts to the engine block. Tighten the J 41480 cover alignment bolts to 25 N·m (18 lb ft).
6. Firmly push the oil pump until the pump surfaces contact the J 41480 cover alignment . Continue to retain the pump to the J 41480 cover alignment . Tighten the oil pump bolts to 25 N·m (18 lb ft).



7. Install the crankshaft oil deflector (425) and nuts (403). Install the deflector onto the engine with the word "Rear" at the back of the engine block. Tighten the crankshaft oil deflector nuts to 25 N·m (18 lb ft).