Cylinder Head Assembly
GENERAL SPECIFICATIONSGasket Surface Flatness: 0.04 mm (0.0016 in)/26 mm (1 in) 0.08 mm (0.003 in)/156 mm (6 in) 0.15 mm (0.006 in) Total
Head Face Surface Finish: 0.2/2.5 0.8 mm (28/100 0.030 inch)
Camshaft Bore Inside Diameter
No.1,2,3,4,5: 45.796-45.821 mm (1.8030-1.8040 inch)
Head Gasket Surface Overall Flatness: 0.076 mm (0.003 inch)
Head Gasket Surface Finish
Roughness Height (CLA): 3.8-2.0 mm (0.15-0.08 inch)
Roughness Height Cutoff: 0.8 mm
Dowel Height Chamfer: 0.8 mm x 30°
Total: 12.5 mm
TORQUE SPECIFICATIONS
Install the cylinder head assembly and torque the cylinder head bolts in the following sequence.
- Tighten all the bolts in a single sequence to 40-60 Nm (30-44 ft. lbs).
- Back the bolts off 1/2 turn.
- Tighten the bolts in the sequence shown to 40-60 Nm (30-44 ft. lbs).
- Rotate all the bolts in a single sequence an additional 180 degrees in two steps of 90 degrees each.
CAUTION: Always use new cylinder head bolts.
NOTE: Lubricate the cylinder head bolts with engine oil prior to installation.