Cylinder Head Assembly

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





Cylinder Head Bolts - Left
(1-10) First Pass all M11 Bolts in Sequence 30 Nm (22 ft. lbs.)
(1-10) Second Pass all M11 Bolts in Sequence 90 degrees
(1-10) Final Pass all M11 Bolts in Sequence 70 degrees
(11-15) M8 Bolts in Sequence 30 Nm (22 ft. lbs.)

Begin with the center bolt (11) and alternating side-to-side, work outward tightening all of the bolts.





Cylinder Head Bolts - Right
Tighten the M11 cylinder head bolts
(1-10) a first pass in sequence to 30 Nm (22 ft. lbs.).
(1-10) a second pass in sequence to 90 degrees using the J 45059.
(1-10) a final pass in sequence to 70 degrees using the J 45059.
Tighten the M8 cylinder head bolts (11-15) to 30 Nm (22 ft. lbs.).

Begin with the center bolt (11) and alternating side-to-side, work outward tightening all of the bolts.

Exhaust Manifold Bolts
First Pass 15 Nm (11 ft. lbs.)
Final Pass 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.)
Camshaft Retainer Bolts 25 Nm (18 ft. lbs.)
Camshaft Sprocket Bolts 35 Nm (26 ft. lbs.)


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
Exhaust 6.96 mm (0.274 inch)
Intake 6.82 mm (0.268 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 (06.0 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 (07.87 inch) Area that Includes Two Runner Port Openings (0.3 mm (0.118 inch)
Cylinder Head Deck Surface Flatness - Measured Within a 152.4 mm (06.0 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)