Cylinder Block Assembly: Specifications
SURFACE VARIATION - HEAD-TO-BLOCKInspect the cylinder head for out-of-flatness using a straightedge and a feeler gauge. If tolerances exceed 0.0508 mm (0.002 in.) replace the cylinder head.
CYLINDER BORE
Cylinder Bore Diameter 99.50 mm (3.92 in.)
Out of Round (MAX) 0.0076 mm (0.0003 in.)
Taper (MAX) 0.0127 mm (0.0005 in.)
Lifter Bore Diameter 21.45 - 21.425 mm (0.8444 - 0.8435 in.)
CRANKSHAFT
Main Bearing Journal Diameter 64.988 - 65.012 mm (2.5585 - 2.5595 in.)
Bearing Clearance 0.023 - 0.051 mm (0.0009 - 0.002 in)
Out-of-Round (MAX) 0.005 mm (0.0002 in.)
Taper (MAX) 0.003 mm (0.0001 in.)
End Play 0.052 - 0.282 mm (0.002 - 0.011 in.)
End Play(MAX) 0.282 mm (0.011 in.)
MAIN BEARING
Main Bearing Journal Diameter 64.988 - 65.012 mm (2.5585 - 2.5595 in.)
Bearing Clearance 0.023 - 0.051 mm (0.0009 - 0.002 in)
Out-of-Round (MAX) 0.005 mm (0.0002 in.)
Taper (MAX) 0.003 mm (0.0001 in.)
End Play 0.052 - 0.282 mm (0.002 - 0.011 in.)
End Play(MAX) 0.282 mm (0.011 in.)
Main Bearing Cap Bolts M12
Tighten main bearing cap bolts to 13 Nm ( 10 ft. lbs.) in the sequence shown.
Tighten main bearing cap bolts to 27 Nm ( 20 ft. lbs.) in the sequence shown.
Rotate main cap bolts an additional 90° in the sequence shown.
Crossbolts M-8 28 Nm (21 ft. lbs.).
MAIN BEARING SELECTION CHART - 5.7L
CONNECTING ROD
Connecting Rod Cap Bolts 21 Nm plus 90° turn (15 ft. lbs.) plus 90° turn.
Side Clearance 0.10 - 0.35 mm (0.003 - 0.0137 in.).
Connecting Rod Journal Diameter 53.992 - 54.008 mm (2.126 in.).
PISTON DIMENSIONS AND CLEARANCES
Clearance
Measured at 38.0 mm (1.5 in.) Below Deck 0.031-0.058 mm (0.012-0.023 in.).
Ring Groove Diameter
Top Groove 90.4 - 90.6 mm (3.56 - 3.57 in.)
Second Groove 88.4 - 88.7 mm (3.48 - 3.49 in.)
Weight 413 grams (14.56 oz.).
Piston Length 53.3 mm (2.10 in.).
Ring Groove Width
No.1 1.23 - 1.26 mm (0.048 - 0.0496 in.)
No.2 1.23 - 1.25 mm (0.048 - 0.0492 in.)
No.3 2.03 - 2.05 mm (0.079 - 0.080 in.)
PISTON PINS
Clearance in Piston 0.005 - 0.014 mm (0.0001 - 0.0005 in.)
Diameter 24.004 - 24.007 mm (0.945-0.9451 in.).
Length 62.99 - 63.21 mm (2.47 - 2.48 in.).
PISTON RING GAP & GROOVE CLEARANCE
Ring Gap:
Top Compression Ring 0.40 - 0.55 mm (0.015 - 0.021 in.).
Second Compression Ring 0.24 - 0.51 mm (0.009 - 0.020 in.).
Oil Control Rails 0.15 - 0.66 mm (0.0059 - 0.0259 in.).
Side Clearance:
Top Compression Ring 0.04 - 0.09 mm (0.001 - 0.0035 in.).
Second Compression Ring 0.04 - 0.08 mm (0.001 - 0.0031 in.).
Oil Ring Rails 0.06 - 0.21 mm (0.002 - 0.008 in.).
CRANKSHAFT PULLEY TORQUE
Vibration Damper Bolt 176 Nm (130 ft. lbs.).