Engine Block: Crankshaft: Installation

If required, select and fit new crankshaft main bearings to the engine block. Refer to ENGINE/ENGINE BLOCK/BEARING(S), CRANKSHAFT - STANDARD PROCEDURE .
If required, select and fit new bearings to the connecting rod. Refer to ENGINE/ENGINE BLOCK/BEARING(S), CONNECTING ROD - STANDARD PROCEDURE .

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If removed, install the target wheel (1) to the crankshaft and tighten the screws (2) to the proper torque specification. Refer to TORQUE SPECIFICATIONS .

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Clean the main bearing cap bolt holes with Mopar® brake parts cleaner or equivalent and blow out with compressed air.
NOTE:
Ensure that the main bearing cap bolt holes in the block are clean, dry (free of residual oil or coolant), and the threads are not damaged.
Install the main bearing upper shells (1) with the lubrication groove and oil hole in the engine block.
Make certain the oil holes in the block line up with oil the hole in bearings and bearing tabs seat in the block tab slots.

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NOTE:
Apply a light coating of petroleum jelly to the thrust bearings (1) to hold the bearings in the block.
Install the thrust bearings (1) with the oil groove facing the crankshaft.

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Oil the bearings and journals. Install the crankshaft (1) in the engine block.

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NOTE:
Main bearing caps (1) are stamped 1 - 5 front to rear. Arrows on the caps must point towards the front of the engine.

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Install the lower main bearings into the main bearing caps (1). Make sure the bearing tabs (2) are seated into the bearing cap slots.
Install the main bearing caps (1) to the engine block.

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CAUTION:
The main bearing cap bolts are tightened using a torque plus angle procedure. The bolts must be examined BEFORE reuse. If the threads are necked down the bolts must be replaced.
Check the main bearing cap bolts and tie bolts for necking by holding a scale or straight edge against the threads. If all the threads do not contact the scale (2) the bolt must be replaced.

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Before installing the bolts the threads should be clean and dry.
Loosely install the main bearing cap bolts (1) and tie bolts (2).
If removed, install the piston and connecting rod assemblies in the engine block. Refer to INSTALLATION .

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Install one of the (special tool #8189, Guide Pins) (1) on the connecting rod being installed.

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CAUTION:
Care must be taken not to nick crankshaft journals, as engine damage may occur.
If removed, install the upper half-bearing on the connecting rod (2) with the tang (1) inserted into the machined groove in the rod. Lubricate the bearing surface with clean engine oil.
Rotate the crankshaft while guiding the connecting rod into position over the rod journal.
Remove the (special tool #8189, Guide Pins).

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Install the lower half-bearing on the connecting rod cap (1) with the tang (2) inserted into the machined groove in the cap. Lubricate the bearing surface with clean engine oil.

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CAUTION:
The connecting rod bolts must not be reused. Always replace the connecting rod bolts whenever they are loosened or removed.

NOTE:
Do not lubricate the threads of the connecting rod cap bolts.
Install the connecting rod cap (1) and bearing with the tang on the same side as the rod. Hand-tighten the NEW connecting rod cap bolts (2) evenly to ensure the cap does not bind.
Tighten the connecting rod cap bolts (2) to the proper torque specification. Refer to TORQUE SPECIFICATION .
If required, check the connecting rod side clearance. Refer to ENGINE/ENGINE BLOCK/ROD, PISTON AND CONNECTING - STANDARD PROCEDURE .
Repeat the previous steps for each connecting rod bearing cap being installed.

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Tighten the ten main bearing cap bolts (1 - 10) in the sequence shown in illustration, following this 3 step torque plus angle method. Tighten according to the following torque values:
- Step 1: All to 14 N.m (10 ft. lbs.)
- Step 2: All to 45 N.m (33 ft. lbs.)
- Step 3: All an additional 90° Turn Do not use a torque wrench for this step.
Tighten the ten main bearing tie bolts (11 - 20) in the sequence shown in illustration to 23 N.m (17 ft. lbs.).
Check the crankshaft end play. Refer to ENGINE/ENGINE BLOCK/CRANKSHAFT - STANDARD PROCEDURE .
Install the crankshaft position sensor. Refer to INSTALLATION .
Install the cylinder head, if removed. Refer to INSTALLATION .
Install the windage tray and oil pump pick-up. Refer to PAN, OIL, INSTALLATION .
Install the crankshaft sprocket and timing chain. Refer to CHAIN AND SPROCKETS, TIMING, INSTALLATION .
Install the rear crankshaft oil seal retainer and oil pan. Refer to RETAINER, CRANKSHAFT REAR OIL SEAL, INSTALLATION .
Install the spark plugs and ignition coils. Refer to INSTALLATION .
Install the transmission to the engine and install the engine in the vehicle. Refer to INSTALLATION .
If removed, install the oil filter and fill the engine crankcase with the proper oil to the correct level. Refer to ENGINE/LUBRICATION/OIL - STANDARD PROCEDURE .
Fill the cooling system. Refer to COOLING SYSTEM FILL 2.0L GMET4 .
Start engine and check for leaks.
Run the engine until it reaches normal operating temperature. Check cooling system for correct fluid level. Refer to ADDING ADDITIONAL COOLANT .

NOTE:

The Cam/Crank Variation Relearn procedure must be performed using the scan tool anytime there has been a repair/replacement made to a powertrain system, for example: flywheel, valvetrain, camshaft and/or crankshaft sensors or components.