Operation CHARM: Car repair manuals for everyone.

Cylinder Head Assembly

Important:
^ Do not use the cylinder head bolts again. Install NEW cylinder head bolts during assembly.





Cylinder Head Bolts
First Pass all M11 Bolts in Sequence 30 Nm (22 ft. lbs.)
Second Pass all M11 Bolts in Sequence 90 degrees
Final Pass all M11 Bolts in Sequence 70 degrees
M8 Inner Bolts in Sequence 30 Nm (22 ft. lbs.)
Cylinder Head Coolant Plug 20 Nm (15 ft. lbs.)
Cylinder Head Deck Height
^ Measuring from the Centerline of Crankshaft to the Deck Face 234.57 - 234.82 mm (9.235 - 9.245 inch)
Cylinder Head Deck Surface Flatness
^ Measured within a 152.4 mm (6.0 inch) Area 0.11 mm (0.004 inch)
Cylinder Head Deck Surface Flatness
^ Measuring the Overall Length of the Block Deck 0.22 mm (0.008 inch)
Camshaft Position Sensor Bolt 12 Nm (106 inch lbs.)
Camshaft Position Sensor Wire Harness Bolt 12 Nm (106 inch lbs.)
Camshaft Retainer Bolts 25 Nm (18 ft. lbs.)
Camshaft Sprocket Bolts 25 Nm (18 ft. lbs.)
Camshaft Bearing Bore
1 and 5 Diameter 59.58 - 59.63 mm (2.345 - 2.347 inch)
2 and 4 Diameter 59.08 - 59.13 mm (2.325 - 2.327 inch)
3 Diameter 58.58 - 58.63 mm (2.306 - 2.308 inch)





Exhaust Manifold Bolts
First Pass 15 Nm (11 ft. lbs.)
Final Pass 20 Nm (15 ft. lbs.)
Exhaust Manifold Heat Shield Bolts 9 Nm (80 inch lbs.)
Exhaust Manifold Studs 20 Nm (15 ft. lbs.)
Front Cover Bolts 25 Nm (18 ft. lbs.)





Intake Manifold Bolts
First Pass in Sequence 5 Nm (44 inch lbs.)
Final Pass in Sequence 10 Nm (89 inch lbs.)
Rear Cover Bolts 25 Nm (18 ft. lbs.)
Throttle Body Bolts 10 Nm (89 inch lbs.)
Timing Chain Guide Bolts 25 Nm (18 ft. lbs.)
Valley Cover Bolts 25 Nm (18 ft. lbs.)
Valve Lifter Guide Bolts 10 Nm (89 inch lbs.)
Valve Rocker Arm Bolts 30 Nm (22 ft. lbs.)
Valve Rocker Arm Cover Bolts 12 Nm (106 inch lbs.)
^ Bore 101.618 - 101.636 mm (4.0007 - 4.0017 inch)
^ Cylinder Bore Diameter 101.618 - 101.636 mm (4.0007 - 4.0017 inch)
^ Cylinder Head Deck Height - Measuring from the Centerline of Crankshaft to the Deck Face 234.57 - 234.82 mm (9.235 - 9.245 inch)
^ Cylinder Head Deck Surface Flatness - Measured within a 152.4 mm (6.0 inch) Area 0.11 mm (0.004 inch)
^ Cylinder Head Deck Surface Flatness - Measuring the Overall Length of the Block Deck 0.22 mm (0.008 inch)
^ Valve Lifter Bore Diameter 21.417 - 21.443 mm (0.843 - 0.844 inch)
Camshaft
^ Camshaft End Play 0.025 - 0.305 mm (0.001 - 0.012 inch)
^ Camshaft Journal Diameter 54.99 - 55.04 mm (2.164 - 2.166 inch)
^ Camshaft Journal Out-of-Round 0.025 mm (0.001 inch)
^ Camshaft Lobe Lift - Intake 7.81 mm (0.307 inch)
^ Camshaft Lobe Lift - Exhaust 7.77 mm (0.306 inch)
^ Camshaft Runout - Measured at the Intermediate Journals 0.05 mm (0.002 inch)
Cylinder Head
^ Cylinder Head Height/Thickness - Measured from the Cylinder Head Deck to the Valve Rocker Arm Cover Seal Surface 120.2 mm (4.732 inch)
^ Surface Flatness - Block Deck - Measured within a 152.4 mm (6.0 inch) Area 0.08 mm (0.003 inch)
^ Surface Flatness - Block Deck - Measuring the Overall Length of the Cylinder Head 0.1 mm (0.004 inch)
^ Surface Flatness - Exhaust Manifold Deck 0.13 mm (0.005 inch)
^ Surface Flatness - Intake Manifold Deck 0.08 mm (0.0031 inch)
^ Valve Guide Installed Height - Measured from the Spring Seat Surface to the Top of the Guide 17.32 mm (0.682 inch)
Intake Manifold
^ Surface Flatness - Measured at Gasket Sealing Surfaces and Measured Within a 200 mm (7.87 inch) Area that Includes Two Runner Port Openings 0.3 mm (0.118 inch)