System Specifications

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

Cylinder Head Bolts Torque Sequence:

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 90 degrees
(Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head)

Final Pass
M11 Medium Length Bolts in Sequence 50 degrees
(at the Front and Rear of Each Cylinder Head)

M8 Inner Bolts in Sequence 30 Nm (22 ft. lbs.)

Cylinder Head Coolant Plug 20 Nm (15 ft. lbs.)

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.)

Intake Manifold Bolt Torque Sequence:

Intake Manifold Bolts
First Pass in Sequence 5 Nm (44 inch lbs.)

Surface Flatness
Cylinder Head Deck 0.11 mm (0.004 inch)
(Measured Within a 152.4 mm (6.0 inch) Area)

Cylinder Head Deck 0.22 mm (0.008 inch)
(Measuring the Overall Length of the Block Deck)

Cylinder Head Deck Height 234.57 - 234.82 mm (235 - 9.245 inch)
(Measuring from the Centerline of Crankshaft to the Deck Face)

Camshaft Sprocket Bolts 35 Nm (26 ft. lbs.)