Lower Crankcase Installation

Lower Crankcase Installation

Special Tools

* EN-42067 - Crankshaft Rear Oil Seal Installer

* EN 45059 - Angle Meter

For equivalent regional tools, refer to Special Tools Special Tools.





Note: Crankshaft bearings MUST be separated, marked, or organized in a way to ensure installation to their original location and position, when suitable for use.

1. Install the lower bearing halves (2), without grooves, into the lower crankcase (1). Apply oil to bearing surfaces.





Note:

* The block assembly surface must be free of contamination prior to applying the sealer.

* Install and align the bedplate to block within 20 minutes of applying the sealer.

* The bedplate must be fastened to final torque specification within 60 minutes of applying the sealer.

2. Apply a 4.25 mm bead of sealer directly in the groove (1) of the block to bedplate mating surfaces. Refer to Adhesives, Fluids, Lubricants, and Sealers (LCV) [1][2]Fluid Type SpecificationsAdhesives, Fluids, Lubricants, and Sealers (LTG) [1][2]Fluid Type Specifications.




3. Install the lower crankcase (2). Tap gently into place with a suitable tool if necessary. Ensure it is aligned properly on the dowels.

Caution: This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

4. Install the NEW crankshaft bearing bolts (1) finger tight.

5. Install NEW lower crankcase perimeter bolts (3) finger tight.





Caution: Refer to Fastener Caution Fastener Caution.

6. Tighten the crankshaft bearing bolts in sequence using the following procedure:

1. Tighten the crankshaft bearing bolts a first pass in sequence to 20 Nm (15 lb ft).

2. Tighten the crankshaft bearing bolts a final pass in sequence using the EN 45059 - meter an additional 140 degrees.




7. Tighten the lower crankcase perimeter bolts in sequence to 25 Nm (18 lb ft).




8. Install the engine oil gallery plugs (1, 2). Tighten the plugs to 65 Nm (48 lb ft).




9. Install the oil pump flow control valve (2) and bolts (1, 3). tighten the bolts to 10 Nm (89 lb in).




10. Using EN-42067 - installer (2), install the crankshaft rear oil seal (1) flush or recessed up to 0.5 mm to block.

11. Rotate the crankshaft to ensure that it moves freely and does not bind.

12. Measure and record the crankshaft endplay. Refer to Engine Mechanical Specifications (LCV) Engine Mechanical SpecificationsEngine Mechanical Specifications (LTG) Engine Mechanical Specifications.