Grand Cherokee 4WD V6-3.7L (2009)
Crankshaft Main Bearing: Specifications
Crankshaft Main Bearing
Main Bearing Journal Diameter..............................................................................................................................63.488 - 63.512 mm (2.4996 - 2.5005 in.)
Bearing Clearance......................................................................................................................................................0.002 - 0.046 mm (0.00008 - 0.0018 in)
Out-of-Round (MAX)............................................................................................................................................................................0.005 mm (0.0002 in.)
Taper (MAX)........................................................................................................................................................................................0.006 mm (0.0004 in.)
End Play......................................................................................................................................................................0.052 - 0.282 mm (0.0021 - 0.0112 in.)
End Play(MAX)....................................................................................................................................................................................0.282 mm (0.0112 in.)
Main Bearing Cap Torque
Hand tighten bolts 1D,1G and 1F..................................................................................................................................until the bedplate contacts the block.
Tighten bolts 1A - 1J...................................................................................................................................................................................54 Nm (40 ft. lbs.)
Tighten bolts 1 - 8.........................................................................................................................................................................................7 Nm (62 in. lbs.)
Turn bolts 1 - 8.............................................................................................................................................................................................an additional 90°.
Tighten bolts A - E....................................................................................................................................................................................27 Nm ( 20 ft. lbs.).
CRANKSHAFT MAIN BEARING SELECTION