System Specifications
Cylinder Head Sequence
Service and Repair
Service and Repair
Cylinder Head Bolts - First Design
The cylinder head bolts can NOT be used again.
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 - Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head 90 degrees
Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head 50 degrees
Cylinder Head Bolts - Second Design
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 90 degrees
Cylinder Head Bolts - 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 ((6.0inch) 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)
Drive Belt Idler Pulley Bolt 50 Nm (37 ft. lbs.).
Drive Belt Tensioner Bolt 50 Nm (37 ft. lbs.).
Service and Repair
Service and Repair
Exhaust Manifold Bolts
First Pass 15 Nm (11 ft. lbs.)
Final Pass 25 Nm (18 ft. lbs.)
Exhaust Manifold Heat Shield Bolts 9 Nm (80 inch lbs.)
Service and Repair
Intake Manifold Bolts
First Pass in Sequence 5 Nm (44 inch lbs.)
Final Pass in Sequence 10 Nm (89 inch lbs.)
Intake Manifold Wiring Harness Stud 10 Nm (89 inch lbs.)
Intake Manifold
Surface Flatness - Measured at Gasket Sealing Surfaces and Measured Within a 200 mm ((7.87inch)
Area that Includes Two Runner Port Openings 0.3 mm (0.118 inch)
Camshaft Bearing Bore
1 and 5 Diameter - First Design 59.08-59.13 mm (2.325-2.327 inch)
2 and 4 Diameter - First Design 58.83-58.88 mm (2.316-2.318 inch)
3 Diameter - First Design 58.58-58.63 mm (2.306-2.308 inch)
Camshaft Bearing Bore
1 and 5 Diameter - Second Design 59.58-59.63 mm (2.345-2.347 inch)
2 and 4 Diameter - Second Design 59.08-59.13 mm (2.325-2.327 inch)
3 Diameter - Second Design 58.58-58.63 mm (2.306-2.308 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 - Exhaust 6.96 mm (0.274 inch)
Camshaft Lobe Lift - Intake 0.82 mm (0.268 inch)
Camshaft Runout - Measured at the Intermediate Journals 0.05 mm (0.002 inch)
Camshaft Sprocket Bolts 35 Nm (26 ft. lbs.)
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 (6.0inch) Area 152.4 mm (0.08 mm (0.003 inch)
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)
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)