Crankshaft, Engine

a. Using a dial indicator and V-blocks, measure the runout as shown in the illustration.
Maximum circle runout: 0.06 mm (0.0024 inch)

b. Using a micrometer, measure the diameter of each main journal.
Diameter: 60.988 to 61.000 mm (2.4011 to 2.4016 inch)
c. Check each main journal for taper and out-of-round as shown.
Maximum taper and out-of-round: 0.02 mm (0.0008 inch)

d. Using a micrometer, measure the diameter of each crank pin.
Diameter: 52.992 to 53.000 mm (2.0863 to 2.0866 inch)
e. Check each crank pin for taper and out-of-round as shown.
Maximum taper and out-of-round: 0.02 mm (0.0008 inch)

INSPECT CRANKSHAFT OIL CLEARANCE

HINT: Main bearings come in widths of 22.4 mm (0.882 inch) and 19.0 mm (0.748 inch). Install the 22.4 mm (0.882 inch) bearings in the No. 1 and No. 4 cylinder block journal positions with the main bearing cap. Install the 19.0 mm (0.748 inch) bearings in the No. 2 and No. 3 positions.

a. Clean each main journal and bearing.

b. Align the bearing key with the keyway of the cylinder block, and push in the 4 upper bearings.

NOTICE: Do not apply engine oil to the bearing and its contact surface.

c. Align the bearing key with the keyway of the main bearing cap, and push in the 4 lower bearings.

NOTICE: Do not apply engine oil to the bearing and its contact surface.

HINT: A number is marked on each main bearing cap to indicate the installation position.

d. Place the crankshaft on the cylinder block.

e. Lay a strip of Plastigage across each journal.

f. Examine the front marks and numbers and install the bearing caps on the cylinder block.