Section 544 (3.7L Engine (Service Information)): Crankshaft: Installation

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Crankshaft Thrust Washer Installation

Courtesy of DAIMLERCHRYSLER CORP.

CAUTION: Main bearings are select fit. Refer to MAIN BEARING FITTING for proper bearing selections.

CAUTION: When installing crankshaft, use care not to damage bearing surfaces on the crankshaft.

NOTE: Apply sealant to the tone wheel retaining screws prior to installation.

Lubricate upper main bearing halves with clean engine oil.
Install the crankshaft tone wheel. Torque the mounting screws to 15 N.m (11 ft. lbs.).
Position crankshaft in cylinder block.
Install the thrust washers (1).

Fig 2: Bedplate Sealant
Courtesy of DAIMLERCHRYSLER CORP.

1 - CYLINDER BLOCK

2 - SEALENT

3 - SEALANT

CAUTION: The bedplate to cylinder block mating surface must be coated with Mopar® Engine RTV sealant prior to installation. Failure to do so will cause severe oil leaks.

NOTE: Make sure that the bedplate and cylinder block sealing surfaces are clean and free of oil or other contaminants. Contaminants on the sealing surfaces may cause main bearing distortion and/or oil leaks.
Apply a 2.5mm (0.100 inch) bead of Mopar® Engine RTV sealant to the cylinder block-to-bedplate mating surface (1) and (2).
Coat the crankshaft main bearing journals with clean engine oil and position the bedplate onto the cylinder block.
NOTE: Lubricate the bedplate retaining bolts with clean engine oil prior to installation.

Fig 3: Bedplate Tightening Sequence
Courtesy of DAIMLERCHRYSLER CORP.
Install the bedplate retaining bolts, making sure to place the stud bolts in the correct location, Torque the bolts in the sequence shown in Fig 3.
1. Hand tighten bolts 1D,1G and 1F until the bedplate contacts the block.
2. Tighten bolts 1A - 1J to 54 N.m (40 ft. lbs.)
3. Tighten bolts 1 - 8 to 7 N.m (5 ft. lbs.)
4. Turn bolts 1 - 8 an additional 90°.
5. Tighten bolts A - E 27 N.m (20 ft. lbs.).
Measure crankshaft end play.
Install the connecting rods and measure side clearance (Refer to ENGINE/ENGINE BLOCK/PISTON & CONNECTING ROD - STANDARD PROCEDURE) .
Install oil pump (Refer to ENGINE/LUBRICATION/OIL PUMP - INSTALLATION) .
Install the engine (Refer to ENGINE - INSTALLATION) .