Cylinder Head Specifications
Cylinder HeadSurface Flatness - Block Deck - Service Limit 0.2 mm (0.0079 in)
Surface Flatness - Block Deck - Production Value 0.075 mm (0.0030 in)
Surface Flatness - Exhaust Manifold Deck - Production Value 0.1 mm (0.0039 in)
Surface Flatness - Intake Manifold Deck - Production Value 0.1 mm (0.0039 in)
Exhaust Manifold
Surface Flatness- Production Value 0.3 mm (0.0118 in)
Intake Manifold
Surface Flatness - Production Value 0.3 mm (0.0118 in)
Cylinder Head M12 Bolt - Angular Tightening Method 1st Step 50 Nm (1st Step 37 lb ft)
2nd Step 80 Nm (2nd Step 59 lb ft)
3rd Step 60 degrees
4th Step 60 degrees
Cylinder Head M8 Bolt 25 Nm (18 lb ft)
Exhaust Heat Shield Nut 10 Nm (89 lb in)
Left Side:
Right Side:
Exhaust Manifold Bolt/Nut 57 Nm (42 lb ft)
Exhaust Manifold Heat Shield Bolts 10 Nm (89 lb in)
Valve Adjusting Nut 22 Nm (16 lb ft)
Valve Lifter Holdown Bracket Bolt 11 Nm (97 lb in)
Valve Rocker Arm Cover Bolt - Lower 10 Nm (89 lb in)
Valve Rocker Arm Cover Bolt - Upper 8 Nm ( (Two Times) 71 lb in) (Two Times)
Valve System
Valves-Valve Face Angle - Production Value 45 degrees
Valves-Valve Face Width - Service Limit 2.5 mm (0.0984 in)
Valves-Valve Face Width - Production Value 2.1 mm (0.0827 in)
Valves-Valve Head Diameter - Exhaust 31.0 mm (1.22 in)
Valves-Valve Head Diameter - Intake 33.0 mm (1.30 in)
Valves-Valve Seat Angle 45 degrees
Valves-Valve Stem Diameter 7.0 mm (0.28 in)
Valves-Valve Stem Oil Seal Installed Height 6.05 mm (0.2382 in)
Valves-Valve Stem-to-Guide Clearance - Service Limit 0.20 mm (0.0079 in)
Valves-Valve Stem-to-Guide Clearance - Exhaust - Production Value 0.038-0.071 mm (0.0015-0.0028 in)
Valves-Valve Stem-to-Guide Clearance - Intake - Production Value 0.030-0.063 mm (0.0012-0.0025 in)
Valves-Valve Stem-to-Guide Clearance 0.20 mm (0.0079 in)
Valve Lifters/Push Rods-Push Rod Straightness 0.8 mm (0.0315 in)
Rocker Arms-Valve Rocker Arm Bore Diameter 22.010-22.035 mm (0.8665-0.8675 in)
Rocker Arms-Valve Rocker Arm Bore-to-Shaft Clearance - Service Limit 0.20 mm (0.0079 in)
Rocker Arms-Valve Rocker Arm Bore-to-Shaft Clearance - Production Value 0.010-0.056 mm (0.0004-0.0022 in)
Rocker Arms-Valve Rocker Arm Ratio - Exhaust 1.69:1
Rocker Arms-Valve Rocker Arm Ratio - Intake 1.36:1
Rocker Arms-Valve Rocker Arm Shaft Diameter - Service Limit 21.85 mm (0.8602 in)
Rocker Arms-Valve Rocker Arm Shaft Diameter - Production Value 21.979-22.000 mm (0.8653-0.8661 in)
Valve Springs-Valve Spring Free Length - Production Value 56.6 mm (2.2283 in)
Valve Springs-Valve Spring Installed Height - Production Value 41 mm (1.6142 in)
Valve Springs-Valve Spring Load - Exhaust - Service Limit 275 N at 41 mm (61.8 lb at 1.61 in)
Valve Springs-Valve Spring load - Exhaust - Production Value 315-363 N at 41 mm (71-81.6 lb at 1.61 in)
Valve Springs-Valve Spring Load - Intake - Service Limit 306 N at 41 mm (68.8 lb at 1.61 in)
Valve Springs-Valve Spring Load - Intake - Production Value 315-363 N at 41 mm (71-81.6 lb at 1.61 in)