Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Engine Block: Crankshaft: Installation
If the engine encounters a catastrophic failure, the engine oil cooler and lines must be replaced or damage to the new engine or components could result.
- Select the proper main bearings (1). Refer to: CRANKSHAFT MAIN BEARING - FITTING .
- Lubricate the main bearing shells with clean engine oil.
- Install the main bearings into the engine block.
- Install the main bearing shells (2) into the bearing caps (1).
- Position the crankshaft (1) into the engine block.
- Lubricate and install the thrust bearings (1).
- Install all main bearing caps (1) in the location as noted during removal making sure the arrow (2) faces forward.
- Clean and oil all main cap bolts and install finger tight.
- Using the sequence shown in illustration, tighten the main bearing cap bolts to 13 N.m (10 ft. lbs.).
- Again, using the sequence shown in illustration, tighten the main bearing cap bolts to 28 N.m (21 ft. lbs.).
- Using the sequence shown in illustration, rotate the main bearing cap bolts an additional
- 90° in the sequence shown in illustration for a 5.7L.
- 120° in the sequence shown in illustration for a 6.4L.
NOTE:The main bearing cap cross-bolts are torqued after the final torque of the main cap bolts. Always use a new seal washers on cross-bolts.
- Install the cross-bolts with new seal washers finger tight.
- Using the sequence shown in illustration, tighten the cross-bolts to 31 N.m (23 ft. lbs.).
- Again, using the sequence shown in illustration, repeat the cross-bolt tightening procedure.
- Measure the crankshaft end play. Refer to: CRANKSHAFT MAIN BEARING - FITTING .CAUTION:
The connecting rod bolts must not be reused. Always replace the connecting rod bolts whenever they are loosened or removed.
- Wipe the connecting rod caps clean and install the rod bearings.
- Lubricate the bearing surfaces with clean engine oil and install the bearings and connecting rod caps onto the connecting rod journals in the same location as noted during removal.
- Lubricate the new connecting rod bolts with clean engine oil and install the bolts finger tight.
- Tighten the connecting rod bolts to the proper specifications. Refer to: TORQUE SPECIFICATIONS .
- If required, measure the connecting rod side clearance (1, 2). Refer to: TORQUE SPECIFICATIONS .
- Install the timing chain (5), camshaft phaser (1) and crankshaft sprocket (3). Refer to CHAIN AND SPROCKETS, TIMING, INSTALLATION .
- Position the oil pump on the crankshaft and install the oil pump retaining bolts finger tight.
- Using the sequence shown in illustration, tighten the oil pump retaining bolts to 28 N.m (21 ft. lbs.).
- Install the engine timing cover. Refer to COVER(S), ENGINE TIMING, INSTALLATION .NOTE:
The crankshaft rear oil seal is integral to the crankshaft rear oil seal retainer and must be replaced as an assembly.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.