Section 91 (3.7L Engine (Service Information)): Crankshaft: Installation
WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Main bearings are select fit. Refer to CRANKSHAFT MAIN BEARINGS
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 (Fig 1
).
CAUTION: The bedplate to cylinder block mating surface must be coated with Mopar(R) 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(R) Engine RTV sealant to the cylinder block-to-bedplate mating surface as shown (Fig 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.
- Install the bedplate retaining bolts, making sure to place the stud bolts in the correct location, Torque the bolts in the sequence shown (Fig 3
).
- Hand tighten bolts 1D,1G and 1F until the bedplate contacts the block.
- Tighten bolts 1A - 1J to 54 N.m (40 ft. lbs.)
- Tighten bolts 1 - 8 to 7 N.m (5 ft. lbs.)
- Turn bolts 1 - 8 an additional 90°.
- Tighten bolts A - E 27 N.m ( 20 ft. lbs.).
- Measure crankshaft end play.
- Install the connecting rods and measure side clearance (Refer to STANDARD PROCEDURE ).
- Install oil pump (Refer to INSTALLATION ).
- Install the engine (Refer to INSTALLATION ).