Cylinder Head Assembly: Specifications
CYLINDER HEAD BOLTSBoth Sides
Important:
Do not reuse the cylinder head bolts. Install NEW cylinder head bolts during assembly.
Tighten the M11 Cylinder Head Bolts (1-10) In Sequence
- First Pass 30 N.m (22 lb ft)
- Second Pass 90 degrees using J 45059
- Final Pass 70 degrees using J 45059
Tighten The M8 Cylinder Head Bolts (11-15). Begin With The Center Bolt (11) And Alternating Side-to-side, Work Outward Tightening All Of The Bolts
- Tighten The M8 Cylinder Head Bolts (11-15) 30 N.m (22 lb ft)
INTAKE MANIFOLD
Tighten The Intake Manifold Bolts In Sequence
- First Pass 5 N.m (44 lb in)
- Final Pass 10 N.m (89 lb in)
CAMSHAFT SPROCKET BOLTS
Tighten The Camshaft Sprocket Bolts 35 N.m (26 lb ft)
EXHAUST MANIFOLD BOLTS
Both Sides
Tighten the exhaust manifold bolts beginning with the center two bolts. Alternate from side-to-side, and work toward the outside bolts.
- First Pass 15 N.m (11 lb ft)
- final pass 25 N.m (18 lb ft)
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 in)
Surface Flatness
Block Deck - Measured Within a 152.4 mm (6.0 in) Area 0.08 mm (0.003 in)
Surface Flatness
Block Deck - 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)
Surface Flatness
Intake Manifold Deck 0.08 mm (0.0031 in)