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Cylinder Block Assembly: Specifications

CYLINDER HEAD SURFACE VARIATION

CYLINDER HEAD

Cylinder Head Height/Thickness - Measured from the Cylinder Head Deck to the Valve Rocker Arm Cover Seal Surface 127.9 mm (5.035 in)

Surface Flatness - Block Deck
Measured within a 152.4 mm (6.0 in) Area 0.08 mm (0.003 in)
Measuring the Overall Length of the Cylinder Head 0.1 mm (0.004 in)

Surface Flatness
Exhaust Manifold Deck 0.13 mm (0.005 in)
Intake Manifold Deck 0.08 mm (0.0031 in)

CYLINDER BLOCK

Cylinder Head Deck Surface Flatness
Measured within a 152.4 mm (6.0 in) Area 0.11 mm (0.004 in)
Measuring the Overall Length of the Block Deck 0.22 mm (0.008 in)

CYLINDER BORE DIAMETER

Cylinder Bore Diameter 104.766-104.784 mm (4.125-4.125 in)

CRANKSHAFT JOURNAL DIAMETER & LIMIT

Crankshaft Main Journal Diameter
Production 64.992-65.008 mm (2.558-2.559 in)
Service 64.992 mm (2.558 in)

Crankshaft Main Journal Out-of-Round
Production 0.003 mm (0.000118 in)
Service 0.008 mm (0.0003 in)

Crankshaft Main Journal Taper
Production 0.01 mm (0.0004 in)
Service 0.02 mm (0.00078 in)

Crankshaft Rear Flange Runout 0.05 mm (0.002 in)

Crankshaft Reluctor Ring Runout - Measured 1.0 mm (0.04 in) Below Tooth Diameter 0.7 mm (0.028 in)

Crankshaft Thrust Surface
Production 26.14-26.22 mm (1.029-1.0315 in)
Service 26.22 mm (1.0315 in)

Crankshaft Thrust Surface Runout 0.025 mm (0.001 in)

Crankshaft End Play 0.04-0.2 mm (0.0015-0.0078 in)

CRANKSHAFT MAIN BEARING CLEARANCE

Crankshaft Main Bearing Clearance
Production 0.02-0.052 mm (0.0008-0.0021 in)
Service 0.02-0.065 mm (0.0008-0.0025 in)

Crankshaft Main Bearing Bore Diameter 69.871-69.889 mm (2.75-2.751 in)
Crankshaft Main Bearing Bore Out-of-Round 0.006 mm (0.0002 in)

CONNECTING ROD BEARING CLEARANCE

Connecting Rod Bearing Clearance
Production 0.023-0.065 mm (0.0009-0.0025 in)
Service 0.023-0.076 mm (0.0009-0.003 in)

Connecting Rod Bore Diameter
Bearing End 56.505-56.525 mm (2.224-2.225 in)
Pin End 23.511-23.519 mm (0.926-0.926 in)

Connecting Rod Bore Out-of-Round - Bearing End
Production 0.004-0.008 mm (0.00015-0.0003 in)
Service 0.004-0.008 mm (0.00015-0.0003 in)

Connecting Rod Side Clearance 0.11-0.51 mm (0.00433-0.02 in)

Connecting Rod Journal Diameter
Production 53.318-53.338 mm (2.0991-2.0999 in)
Service 53.308 mm (2.0987 in)

Connecting Rod Journal Out-of-Round
Production 0.005 mm (0.0002 in)
Service 0.01 mm (0.0004 in)

Connecting Rod Journal Taper - Maximum for 1/2 of Journal Length
Production 0.005 mm (0.0002 in)
Service 0.02 mm (0.00078 in)

PISTON CLEARANCE

Piston to Bore Clearance
Production -0.026 to +0.026 mm (-0.0010 to +0.0010 in)
Service Limit with Skirt Coating Worn Off 0.081 mm (0.0032 in)

PISTON RING END GAP

Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore
Production 0.19-0.50 mm (0.0075-0.0197 in)
Service 0.19-0.56 mm (0.0075-0.0220 in)

Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore
Production 0.37-0.69 mm (0.0146-0.0272 in)
Service 0.37-0.75 mm (0.0146-0.0295 in)

Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore
Production 0.22-0.79 mm (0.0086-0.0311 in)
Service 0.22-0.85 mm (0.0086-0.0335 in)

PISTON RING TO GROOVE CLEARANCE

Piston Ring to Groove Clearance - First Compression Ring
Production 0.025-0.083 mm (0.0010-0.0033 in)
Service 0.025-0.083 mm (0.0010-0.0033 in)

Piston Ring to Groove Clearance - Second Compression Ring
Production 0.020-0.060 mm (0.0008-0.0024 in)
Service 0.020-0.060 mm (0.0008-0.0024 in)

Piston Ring to Groove Clearance - Oil Control Ring
Production 0.023-0.207 mm (0.0009-0.0081 in)
Service 0.023-0.207 mm (0.0009-0.0081 in)

PISTON DIAMETER

Piston Diameter - Measured Over Skirt Coating 104.758-104.792 mm (4.1243-4.1257 in)

CRANKSHAFT PULLEY

Crankshaft Balancer Bolt
First Pass 150 Nm (111 lb ft)
Second Pass Loosen 360 degrees
Third Pass 50 Nm (37 lb ft)
Final Pass 230 degrees